{"title":"Sta-Rite Max-E-Therm Heater Parts","description":"\u003cp\u003eReplacement parts for Sta-Rite Max-E-Therm Heater, genuine OEM and compatible aftermarket.\u003c\/p\u003e","products":[{"product_id":"igniter-w-gasket-kit","title":"Sta-Rite Max-E-Therm Igniter with Gasket Kit, 77707-0054","description":"\u003cp\u003eThe Sta-Rite 77707-0054 is the replacement igniter for Max-E-Therm SR-200, SR-333 and SR-400 pool heaters, supplied as a kit with the igniter gasket. It is a new, genuine Sta-Rite part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it fixes\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eWhen an igniter cracks or burns out, the heater runs through its start sequence but never lights. Fitting a new igniter and gasket together restores ignition and renews the seal in the same job.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitting notes\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIgniter elements are brittle and should not be touched by hand. Switch off power to the heater before starting, and if the bracket that holds the igniter is damaged it is available as a separate part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eConfirm your heater is a Max-E-Therm SR-200, SR-333 or SR-400. The part is also catalogued with Pentair MasterTemp burner system parts; check the igniter part number on your parts list if you have a MasterTemp.\u003c\/p\u003e","brand":"Sta-Rite","offers":[{"title":"Default Title","offer_id":48624880091348,"sku":"STA-151-6259","price":94.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_e960027d-93c5-4819-b7fc-d8452832df88.jpg?v=1788648830"},{"product_id":"pentair-control-board-kit-461105","title":"Pentair Genuine OEM MasterTemp\/Max-E-Therm 6-Button Control Board Kit, 461105Z","description":"\u003cp\u003eThe Pentair 461105Z is the six button control board kit for MasterTemp and Sta-Rite Max-E-Therm gas heaters. It is the factory part, the same board Pentair fits on the production line.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFit\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMasterTemp and Max-E-Therm heaters share this control system. On the Max-E-Therm side it covers the SR200, SR333 and SR400, where it is listed in the electrical system parts breakdown.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBoard or pad\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIf the heater ignores button presses but the display and firing logic are otherwise normal, check the six button membrane pad first, since it is a separate part. If the display, temperature control or diagnostics are acting up, the board is the more likely cause.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48624917938388,"sku":"PUR-151-0974","price":538.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_cc0b28f3-0582-4ad3-955f-d07534fc3e18.jpg?v=1788653288"},{"product_id":"pentair-474957-combustion-chamber-assembly-for-max-e-therm-heater","title":"Pentair Combustion Chamber Assembly for Max-E-Therm Heaters, 474957","description":"\u003cp\u003eThe Pentair 474957 is the combustion chamber assembly for the Sta-Rite Max-E-Therm gas heaters, covering the SR200, SR333 and SR400. It is the genuine part, supplied as a complete assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhere it fits\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe combustion chamber is part of the Max-E-Therm burner system, the same group of parts as the flameholder, the insulation kit and the gas valve. Those are separate part numbers, so if the chamber has failed it is worth inspecting the rest of the burner system while the heater is apart.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eConfirm the heater is a Max-E-Therm SR200, SR333 or SR400. Burner and combustion work on a gas appliance belongs with a qualified technician: shut off the gas, make the repair, and verify combustion before the heater goes back into service.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48624928850132,"sku":"PUR-151-7042","price":373.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/Pentair_474957.jpg?v=1788654917"},{"product_id":"control-valve-assembly-combination-gas","title":"Sta-Rite MasterTemp and Max-E-Therm Combination Gas Control Valve Assembly, 42001-0051S","description":"\u003cp\u003eThe Sta-Rite 42001-0051S is the combination gas control valve assembly for the Pentair MasterTemp and the Sta-Rite Max-E-Therm SR200, SR333 and SR400 pool heaters. It is part of the burner system, where it regulates gas to the burner and shuts it off when the control board calls for it.\u003c\/p\u003e\u003cp\u003eMasterTemp and Max-E-Therm share the same burner design, so one part number covers both. It is sold as a complete assembly, the genuine part rather than a generic valve.\u003c\/p\u003e\u003cp\u003eBecause this is a gas component, it should be fitted by a qualified technician and every connection leak checked before the heater is put back into service. Confirm 42001-0051S against your existing valve or your heater parts list before ordering.\u003c\/p\u003e","brand":"Sta-Rite","offers":[{"title":"Default Title","offer_id":48624970039508,"sku":"STA-151-6250","price":422.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_47f64a15-545f-4b27-9da2-76d1c49d3077.jpg?v=1788656949"},{"product_id":"air-flow-switch","title":"Sta-Rite Max-E-Therm Air Flow Switch, 42001-0061S","description":"\u003cp\u003eThe Sta-Rite 42001-0061S is the air flow switch for the Max-E-Therm SR200, SR333 and SR400 pool heaters. It is a new, genuine OEM part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe air flow switch sits in the heater's electrical system and proves that the combustion blower is moving air. Only when it closes does the control let the ignition sequence go ahead. A switch that has failed or will not close leaves a heater that hums the blower but never lights, which is one of the more common Max-E-Therm complaints.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFit\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBecause it is the factory part, it mounts and wires exactly like the switch coming out. It belongs to the same electrical group as the terminal board, transformer, ignition control module, thermistor and high limit switch, so if you are working through a no-ignition fault, those are the other parts to check.\u003c\/p\u003e","brand":"Sta-Rite","offers":[{"title":"Default Title","offer_id":48625001332948,"sku":"STA-151-7186","price":157.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_b46c12e5-5e4e-41ac-8717-e13a9b2cc41a.jpg?v=1788661891"},{"product_id":"pentair-476223-ignition-control-module-replacement-kit","title":"Pentair MasterTemp Max-E-Therm Ignition Control Module Replacement Kit, 476223Z","description":"\u003cp\u003eThe Pentair 476223Z is the ignition control module replacement kit for Pentair MasterTemp and Sta-Rite Max-E-Therm pool heaters. It is the genuine Pentair part, also listed under the earlier number 476223.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the module does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe ignition control module runs the heater's lighting sequence: it confirms the safeties are satisfied, energizes the igniter, opens the gas valve and watches for flame. When it fails, the heater typically runs the blower and then locks out without ever firing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDiagnosing before you buy\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA no-ignition fault can also come from the igniter, the air flow switch, the terminal board or the gas supply. Rule those out first; if the sequence stalls at the module, this kit is the fix.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48625005658324,"sku":"PUR-151-0973","price":320.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_d9cd3327-44ce-40d8-8320-0f763e18af05.jpg?v=1788661912"},{"product_id":"pentair-474958-combustion-chamber-cover-for-max-e-therm-heater","title":"Pentair Combustion Chamber Cover for Max-E-Therm Heaters, 474958","description":"\u003cp\u003eThe Pentair 474958 is the combustion chamber cover for the MasterTemp 125 and Sta-Rite Max-E-Therm 125 heaters, on units manufactured after 11\/16\/13 with the newer 9 bolt lid tub design. It is the genuine Pentair part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe cover closes the top of the burner chamber. If it is warped, cracked or corroded, combustion gases can escape and the airflow through the burner is disturbed, which shows up as poor ignition, soot or a heater that runs rough. Replacing the cover restores the seal.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is the 125 size cover only; larger MasterTemp and Max-E-Therm heaters use different parts. Check the build date on the heater rating plate and count the lid bolts. Nine bolts and a date after 11\/16\/13 confirms the match. Gaskets are not included and are available as a separate Pentair kit.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48625021354196,"sku":"PUR-151-4441","price":431.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/pentair_474958.jpg?v=1788662450"},{"product_id":"tube-sheet-coil-assembly-kit-sr400","title":"Sta-Rite MasterTemp and Max-E-Therm Tube Sheet Coil Assembly Kit, 77707-0234","description":"\u003cp\u003eThe Sta-Rite 77707-0234 is the tube sheet coil assembly kit for Pentair MasterTemp and Sta-Rite Max-E-Therm heaters, models 400NA and 400LP, built prior to 1-12-09.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat makes these heat exchangers different\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOn the MasterTemp and Max-E-Therm, the tubes in the tube sheet assembly are generally round in shape rather than straight and flat like most other heaters on the market. The plate at the end of the tubes measures 5-1\/2 in. wide by 8-1\/2 in. tall, the assembly is roughly 13 in. side to side, and it runs about 15 in. from the end of the plate to the opposite end of the coil.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eA kit, not just a coil\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eReplacing a heat exchanger disturbs a lot of sealing surfaces, and this kit accounts for that. It includes eight coil o-rings, eight tube sheet seals, the tube sheet coil assembly, a sheet metal warning label, a metal tube replacement o-ring, a manifold bypass valve package, a tube of high temperature RTV silicone, a koala wool insulation service kit, a blower and adapter plate gasket, and an ignitor and gasket kit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eConfirm the model and build date on the heater data plate. This kit is for 400NA and 400LP units built prior to 1-12-09, and heaters built after that date use a different assembly.\u003c\/p\u003e","brand":"Sta-Rite","offers":[{"title":"Default Title","offer_id":48625580966100,"sku":"STA-151-6264","price":1160.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_0d5f0da3-871c-4455-bcc0-38d228afa04c.png?v=1788688837"},{"product_id":"mastertemp-basic-manifold-kit","title":"Pentair MasterTemp Basic Manifold Kit, 474200","description":"\u003cp\u003eThe Pentair 474200 is the basic manifold kit for the MasterTemp and Max-E-Therm family of pool and spa heaters. It is the genuine Pentair part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the manifold is\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe manifold is the header on the water side of the heater. Pool water enters through it, passes across the heat exchanger and leaves through it, which makes it one of the hardest working parts in the whole unit and one of the few that sees both full system pressure and the heat of the exchanger.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy it gets replaced\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYears of thermal cycling and unbalanced water chemistry take their toll. A manifold that has cracked or corroded leaks at the pad, and no amount of tightening brings it back. This kit is the factory replacement for that job.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eConfirm the model on your heater and check the manifold part number against the parts list for your unit, since Pentair uses different manifolds across the range.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48625719541972,"sku":"STA-151-4070","price":183.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_8b6da44d-a786-448f-be14-0a5550e1ab22.jpg?v=1788689901"},{"product_id":"heater-manifold-kit-sr333","title":"Sta-Rite MasterTemp Heater Manifold Assembly, SR333, 77707-0015","description":"\u003cp\u003eThis is the heater manifold assembly kit for the SR333, Sta-Rite part number 77707-0015. It is sold as a kit rather than as a bare manifold, so the parts that come off with it are all in the box.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is in the box\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe kit contains the coil and tubesheet sealing o-ring kit, the manifold bypass kit, a water pressure switch, a connector tube kit made up of one connector tube and one o-ring, a 428-60 PS zinc plug, the automatic gas shutoff switch, the high limit switch and the thermistor. That covers the water side of the heater and the safety devices that mount on it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIdentify the model first\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe source describes this part both as a MasterTemp heater manifold assembly and as the Sta-Rite Max-E-Therm SR333 manifold. Rather than choose between those two descriptions, read the model number from your heater plate and confirm it says SR333 before you order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe zinc plug\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe zinc plug included in the kit is a sacrificial anode. It is a consumable that protects the manifold and heat exchanger from corrosion, so fit the new one rather than reusing the old.\u003c\/p\u003e","brand":"Sta-Rite","offers":[{"title":"Default Title","offer_id":48625743298772,"sku":"STA-151-6277","price":477.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_d760fee9-66af-44a1-92e1-c8a416c50d0d.jpg?v=1788690581"},{"product_id":"pcb-enclosure-nat-lp-with-topside","title":"Sta-Rite Max-E-Therm Control Board Enclosure with Topside Panel, Natural Gas and LP Models, 77707-0013","description":"\u003cp\u003eSta-Rite 77707-0013 is the Max-E-Therm control board enclosure supplied with the topside controls. It is a new OEM part and covers the SR-200, SR-333 and SR-400 heaters in both natural gas and LP versions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat you get\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is the enclosure together with the topside control panel, so it takes in both the housing that protects the electronics and the face the owner presses to set temperature and mode. Note that the same part number is described in two ways in the manufacturer listings, as a PCB enclosure with topside controls and as a control board enclosure membrane panel kit. Compare what you are removing against the photos before ordering rather than assuming from the name.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy it fails\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe topside sits outdoors and takes weather, sun and thousands of button presses. Buttons that need a hard push, a display that has gone dim behind a clouded window, or water that has found its way past a split membrane are all reasons to replace the assembly rather than chase the fault deeper into the control system.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFuel type\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne part number serves natural gas and LP, so there is no need to work out which fuel version you have before you order.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48625743823060,"sku":"STA-151-0013","price":230.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_7416c3e7-2ab1-4420-8c20-7acf97c6b96c.jpg?v=1788690648"},{"product_id":"pentair-461107-wire-harness-replacement-kit","title":"Pentair MasterTemp Max-E-Therm Wiring Harness, 461107","description":"\u003cp\u003eThe Pentair 461107 is the genuine wire harness replacement kit for MasterTemp and Max-E-Therm pool heaters.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy the harness fails\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA heater harness lives in the worst conditions in the equipment pad: heat from the burner tray, moisture from every rain and washdown, and rodents that treat insulation as nesting material. Over time connectors corrode, terminals loosen and insulation goes brittle.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat that looks like\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSymptoms rarely announce themselves as a wiring problem. The heater lights sometimes and not others, a sensor reads wrong, a switch appears open when it is not. Technicians replace control modules and sensors chasing faults that were really a bad connection in the harness.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitting the kit\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBecause this is the factory harness, every plug lands where it should on the ignition control, the switches and the sensors. That is the practical argument for the OEM kit over splicing in generic wire: the connectors are right, and the next person to work on the heater sees what Pentair intended.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48625746182356,"sku":"PUR-151-0976","price":300.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_d9e19621-c2f1-48f0-b579-dc1ddf38945a.png?v=1788690892"},{"product_id":"z-flex-appliance-adapter","title":"Sta-Rite Z-Flex Appliance Adapter, 77707-0087","description":"\u003cp\u003eThe Sta-Rite 77707-0087 is a Z-Flex appliance adapter for horizontal and vertical positive pressure venting. It is made of stainless steel.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it connects\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe adapter is the fitting between the heater and the vent run. It is designed for the Pentair Sta-Rite Max-E-Therm pool and spa heaters, and is also compatible with the Pentair MasterTemp pool and spa heaters, which share the same venting arrangement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy stainless\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFlue gases from a pool heater are hot and wet. Stainless steel is the material a positive pressure vent connection needs if it is going to last, which is why the factory adapter is built from it rather than a coated mild steel.\u003c\/p\u003e","brand":"Sta-Rite","offers":[{"title":"Default Title","offer_id":48625784291540,"sku":"STA-151-6268","price":217.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_67439bc5-628c-40ce-8c0c-d46580d975eb.jpg?v=1788692219"},{"product_id":"thermistor","title":"Sta-Rite Thermistor for Max-E-Therm and MasterTemp Heater Electrical System, 42001-0053S","description":"\u003cp\u003eSta-Rite 42001-0053S is the replacement thermistor for the Max-E-Therm SR-200, SR-333 and SR-400 heaters. The same sensor is part of the MasterTemp heater electrical system.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe thermistor is the heater control board eyes on water temperature. Its resistance changes with temperature, the board reads that, and everything downstream follows: what the display shows, when the burner fires, when the heater satisfies the setpoint and shuts down.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen it is the problem\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA drifting or failed thermistor makes the heater behave in ways that look like other faults. Temperatures that read nothing like the pool, a heater that will not fire even though the pool is cold, or short cycling near setpoint all point at the sensor. It is an inexpensive part to change and a common one to find at fault.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitting\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt is a direct OEM replacement, so it goes back into the same location on the same wiring. Kill power at the breaker before opening the heater.\u003c\/p\u003e","brand":"Sta-Rite","offers":[{"title":"Default Title","offer_id":48625790025940,"sku":"STA-151-6254","price":93.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_a27c6fbf-5ba5-464c-96d7-4cc536955b40.jpg?v=1788700123"},{"product_id":"thermal-regulator-kit","title":"Sta-Rite Max-E-Therm Thermal Regulator Kit, 77707-0010","description":"\u003cp\u003eThe 77707-0010 is the genuine thermal regulator kit for the Max-E-Therm heater water system. The same number is published under both the Sta-Rite and Pentair names, and it appears in the MasterTemp heater water system parts as well.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhere it fits in the heater\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe thermal regulator is part of the water side of the heater, the plumbing path rather than the gas train or the control board. It governs how water moves through the heater as the unit comes up to temperature.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy it is replaced as a kit\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese regulators are a service item on the Max-E-Therm and MasterTemp platform and are supplied as a complete kit, so the whole assembly goes in at once rather than being rebuilt piece by piece. If you are working on the heater water system, check the parts diagram for your model to confirm the regulator matches before ordering.\u003c\/p\u003e","brand":"Sta-Rite","offers":[{"title":"Default Title","offer_id":48625817026772,"sku":"STA-151-6257","price":120.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_11f5df3d-9a87-4ff4-b234-6b512dbfc835.jpg?v=1788700511"},{"product_id":"stack-flue-sensor","title":"Sta-Rite Max-E-Therm Stack Flue Sensor, 42002-0024S","description":"\u003cp\u003eThis is the genuine Sta-Rite stack flue sensor, part number 42002-0024S, for Max-E-Therm pool heaters. It fits models SR-200, SR-333 and SR-400.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe stack flue sensor reads temperature in the flue and reports it back to the heater control. If exhaust temperature runs higher than the design allows, the control shuts the heater down. That protects the heat exchanger and the venting from damage, and it is why a heater will refuse to run on what looks like a healthy day.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDiagnosing it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eWhen a Max-E-Therm locks out on a stack or high limit fault, the sensor is the first suspect, because a failed or drifted sensor reports temperatures that are not there. It is worth checking the flue path and the exchanger for soot or restriction at the same time, since a genuinely overheating stack produces the same symptom for a very different reason.\u003c\/p\u003e\u003cp\u003eIt is a new OEM part and installs in place of the original.\u003c\/p\u003e","brand":"Sta-Rite","offers":[{"title":"Default Title","offer_id":48625842946260,"sku":"STA-151-6279","price":137.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_912cad22-886b-4fbf-bdb3-36667db5d629.jpg?v=1788701391"},{"product_id":"insulation-kit-max-e-therm","title":"Sta-Rite Max-E-Therm Insulation Kit, 77707-0008","description":"\u003cp\u003eThis is the genuine insulation kit, part number 77707-0008, for the burner system on the Sta-Rite Max-E-Therm and the Pentair MasterTemp pool heaters.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat comes with it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe kit is more than the insulation itself. It includes the clamp assembly, an o-ring and a silicone tube, which are the pieces needed to seal the burner assembly back up properly once it has been opened.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy it gets replaced\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eInsulation in a burner system lives through constant heat cycling. Over enough seasons it chars, crumbles and stops sealing, and heat starts finding its way into places that were never meant to see it. Renewing it is a routine part of a burner service, and doing it with the complete kit means the o-ring and silicone are on hand rather than being hunted down with the heater already in pieces.\u003c\/p\u003e","brand":"Sta-Rite","offers":[{"title":"Default Title","offer_id":48625843077332,"sku":"STA-151-6235","price":168.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_d4cae059-b6a8-4818-b9ff-472f0b382514.png?v=1788701395"},{"product_id":"adapter-plate-gasket-kit","title":"Sta-Rite Adapter Plate Gasket Kit for Max-E-Therm and MasterTemp Heater Burner System, 77707-0011","description":"\u003cp\u003ePart 77707-0011 is the blower and adapter plate gasket kit for the burner system used by the Sta-Rite Max-E-Therm and the Pentair MasterTemp. It is sold under both names because the two heaters share that assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the gaskets seal\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe adapter plate is the joint between the blower and the burner. The gaskets at that joint keep the combustion air path sealed, so a crushed or torn gasket lets air in where it should not be and changes how the burner fires.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to fit it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eWhenever the blower or adapter plate is removed. Gaskets get compressed in service and rarely come apart cleanly, so the kit is what you order alongside any burner system teardown rather than after the leak appears.\u003c\/p\u003e","brand":"Sta-Rite","offers":[{"title":"Default Title","offer_id":48626109448404,"sku":"STA-051-7856","price":77.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/pentair_77707-0011.jpg?v=1788704927"},{"product_id":"tube-sheet-coil-assembly-kit","title":"Sta-Rite MasterTemp and Max-E-Therm Tube Sheet Coil Assembly Kit, Models 200NA and 200LP, 77707-0232","description":"\u003cp\u003eThe Sta-Rite 77707-0232 is the tube sheet coil assembly kit for Pentair MasterTemp and Sta-Rite Max-E-Therm heaters, models 200NA and 200LP, built prior to 1-12-09.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat makes these heat exchangers different\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOn the MasterTemp and Max-E-Therm, the tubes in the tube sheet assembly are generally round in shape rather than straight and flat like most other heaters on the market. The plate at the end of the tubes measures 5-1\/2 in. wide by 8-1\/2 in. tall, the assembly runs roughly 13 in. side to side, and it measures about 15 in. from the end of the plate to the opposite end of the coil.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eA kit, not just the coil\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePulling a heat exchanger disturbs sealing surfaces that have been in place for years, so the kit includes a tube of high temperature RTV silicone and an o-ring kit, a set of 12, carried under part number 77707-0119.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eCheck the model and the build date on the heater data plate. This kit is listed for 200NA and 200LP units built prior to 1-12-09; heaters built after that date take a different assembly.\u003c\/p\u003e","brand":"Sta-Rite","offers":[{"title":"Default Title","offer_id":48626300354772,"sku":"STA-151-7189","price":941.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_344b7f22-cb9c-4f21-9421-b2aed03ecf02.png?v=1788707801"},{"product_id":"pentair-474974-union-1-5-kit-for-mastertemp-125","title":"Pentair Union 1.5\" Kit for MasterTemp 125, 474974","description":"\u003cp\u003ePentair 474974 is the 1-1\/2 inch union kit for the MasterTemp Model 125 heater water system. Pentair lists it for Max-E-Therm and MasterTemp heaters, and it is the genuine factory part rather than a generic fitting.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the union does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe unions are the joints that tie the heater into the pool plumbing. They are what lets a service tech break the heater loose and lift it out without cutting pipe, so they matter far beyond the few dollars of plastic involved. They are also a common leak point, because the seal is squeezed every time the union is opened and closed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is the 1-1\/2 inch kit, which is the size used on the Model 125. Larger MasterTemp models plumb in at a different size, so confirm what is on your heater before ordering.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48626374803668,"sku":"PUR-151-0403","price":70.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/pentair_mastertemp_union.jpg?v=1788709484"},{"product_id":"transformer-kit-dual-voltage","title":"Pentair Transformer Kit, Dual Voltage, 42001-0107S","description":"\u003cp\u003eThe Pentair 42001-0107S is the dual voltage transformer kit for the Sta-Rite Max-E-Therm and Pentair MasterTemp heater electrical system. It is rated 115\/230V, so one part covers a heater wired either way.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the transformer does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe heater runs its controls on a low voltage circuit, and the transformer is what supplies it. When the transformer fails, the incoming power is still there but nothing on the panel wakes up, which is why a heater that appears completely dead is often a transformer rather than anything in the gas train.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCoverage\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt is listed under the Sta-Rite Max-E-Therm SR200, 333 and 400 and the Pentair MasterTemp 175 to 400, which share the same heater electrical system. Confirm the part number on the transformer you are removing, since these heaters ran over a long production period.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48626502598868,"sku":"STA-151-0108","price":65.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_8795d92e-794b-40a5-9216-1f0def4ab496.png?v=1788711040"},{"product_id":"high-limit-switch","title":"Sta-Rite Max-E-Therm and MasterTemp High Limit Switch, 42001-0063S","description":"\u003cp\u003eThe Sta-Rite 42001-0063S is the high limit switch for Max-E-Therm SR-200, SR-333 and SR-400 pool heaters. It is a new OEM part. The same switch is also carried with the MasterTemp heater electrical system parts, so it turns up under both heater families.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe high limit switch is a safety cutout. It watches water temperature and opens the circuit if the heater pushes past the safe ceiling, stopping combustion before anything is damaged. It is doing its job every time the heater runs, which is why it eventually wears out.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDiagnosing it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA heater that fires and then shuts down once it is hot, or one that will not fire at all, often has a failed high limit switch. It sits in the electrical system alongside the thermistor, the transformer and the ignition control module, and it is the cheapest of that group to rule out first.\u003c\/p\u003e","brand":"Sta-Rite","offers":[{"title":"Default Title","offer_id":48626597757140,"sku":"STA-151-6255","price":72.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_f1f1c4ac-da4b-4bfd-b56d-d837df413665.jpg?v=1788712897"},{"product_id":"automatic-gas-shut-off-switch","title":"Sta-Rite Max-E-Therm Automatic Gas Shut Off Switch, 42002-0025S","description":"\u003cp\u003eThis is the Sta-Rite 42002-0025S automatic gas shut off switch, a new OEM part for the Max-E-Therm line of pool heaters. It is listed for the SR-200, SR-333 and SR-400.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe switch is a safety device on the gas side of the heater. If operating conditions move outside the safe range, it cuts the gas instead of letting the burner continue. That is why a failed switch usually shows up as a heater that will not fire rather than as a heater that runs badly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhere it sits\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt is part of the Max-E-Therm electrical system group, along with the thermistor, transformer, ignition control module and air flow switch. The same switch is also carried under Pentair MasterTemp heater electrical system parts, so if your heater is a MasterTemp, check the part against your own diagram before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you replace it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSeveral parts in this group can stop a heater from lighting. Run the heater diagnostics first so you are replacing the part that actually failed rather than working through the group one item at a time.\u003c\/p\u003e","brand":"Sta-Rite","offers":[{"title":"Default Title","offer_id":48626722177236,"sku":"STA-151-6230","price":61.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_2d43eb32-2d13-4258-8580-c4266009dc2d.jpg?v=1788714051"},{"product_id":"3-max-e-therm-pvc-direct-air-intake-duct-kit","title":"Pentair 3\" PVC Direct Air Intake Duct Kit for Max-E-Therm Heater, 475002","description":"\u003cp\u003ePentair 475002 is the 3 inch PVC direct air intake duct kit for the Sta-Rite Max-E-Therm heater.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it changes\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA gas heater burns air as well as gas. Left alone it takes that air from wherever it is standing, which is fine in the open and a problem in a room, a shed or a tight equipment enclosure. A direct air intake kit ducts the combustion air to the heater instead, so the heater is not competing with the space around it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe kit\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt is supplied as a kit in PVC, 3 inch, so the parts are matched to the heater rather than assembled from whatever is on the shelf. Confirm your Max-E-Therm model before ordering, and follow the heater manual for the run and termination requirements in your area.\u003c\/p\u003e","brand":"American Granby","offers":[{"title":"Default Title","offer_id":48627615432916,"sku":"STA-151-7002","price":318.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_2150221a-966d-4005-9d10-fa4e45a98113.jpg?v=1788725378"},{"product_id":"blower-kit-lp-sr333","title":"Sta-Rite Air Blower Kit for 333 Propane Max-E-Therm Burner System, 77707-0255","description":"\u003cp\u003ePart 77707-0255 is the air blower kit for the model 333 propane Max-E-Therm burner system. It replaces the combustion air blower on the LP version of that heater.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the blower does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA modern pool heater does not simply light a burner. It first pushes a measured volume of air through the burner system and confirms that airflow is present before it will allow gas. The blower is what supplies that air. If it fails, or if its airflow drops below what the control expects, the heater locks out and never gets as far as ignition.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCheck fuel and size first\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis kit is specific to the 333 size running on propane. The natural gas version and the other heater sizes take different kits, so read the rating plate rather than working from the model name alone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eA note on the brand\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYou will see this part under two names. It is listed as Sta-Rite with the Max-E-Therm heater line, and the source also describes it as a Pentair part filed under the MasterTemp burner system. Those heater lines share the hardware, so both references point at the same kit.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48627886325972,"sku":"STA-151-0255","price":709.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_20fc9ea5-6715-4fca-9757-6e8b50d20047.png?v=1788729624"},{"product_id":"heater-manifold-kit-200-000-btu","title":"Sta-Rite Heater Manifold Kit 200,000 BTU, 77707-0014","description":"\u003cp\u003eThe Sta-Rite 77707-0014 is the heater manifold kit for 200,000 BTU pool heaters, supplied as a complete kit rather than a bare part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the manifold does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe manifold is the water side of the heater. Pool water enters through it, passes across the heat exchanger and leaves through it again. Everything the heater does to the water depends on that path staying sealed and clear.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy it fails\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eManifolds crack and corrode with age, chemistry swings and freeze damage. The usual symptom is water on the pad under the heater, sometimes with a drop in flow or pressure. Once the manifold is compromised there is no patching it, and the kit is the repair.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGetting the right one\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eManifolds look alike across BTU sizes but do not interchange. This one is the 200,000 BTU part, number 77707-0014, so match both the rating and the number before ordering. If the heat exchanger is damaged as well, the tube sheet coil assembly kit for the 200NA and 200LP models is ordered separately.\u003c\/p\u003e","brand":"Sta-Rite","offers":[{"title":"Default Title","offer_id":48627958055124,"sku":"STA-151-6276","price":586.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_a3e2331a-1f33-4108-800f-91765bb7062e.jpg?v=1788730970"},{"product_id":"pressure-relief-valve-50psi","title":"Pentair MasterTemp Pressure Relief Valve 50 PSI, 473715Z","description":"\u003cp\u003eThe Pentair 473715Z is the 50 PSI pressure relief valve for the Max-E-Therm and MasterTemp heater water system. It is the genuine Pentair replacement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy the valve is there\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA gas heater can build pressure faster than the plumbing can shed it if a valve is closed against it or the system traps water while the burner is firing. The relief valve is the deliberate weak point: it opens at 50 PSI and dumps rather than letting the heat exchanger or the pipework take the load. It is the last defence, and it is the one part on the heater that should never be bypassed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to change it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eRelief valves fail toward leaking. Scale and corrosion keep the seat from closing again after it has lifted, so the valve seeps continuously and the heater loses water. If yours weeps, has been lifted repeatedly, or somebody has plugged it, fit a new one. Confirm the 50 PSI rating is the one your heater calls for before you install it.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48627978928340,"sku":"PUR-151-3715","price":148.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_8e35f36f-258d-44fc-977e-6a2ff6959210.jpg?v=1788732219"},{"product_id":"o-ring-kit-manifold-tube-coil","title":"Pentair Manifold O-Ring Kit for Max-E-Therm and MasterTemp Heater Burner System, 77707-0120","description":"\u003cp\u003eThe Pentair 77707-0120 is the manifold o-ring kit for the burner system used on Max-E-Therm and MasterTemp heaters. It is the genuine Pentair part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is in the kit\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe o-rings for the manifold, the tube and the coil, supplied together as one kit. Those are the seals disturbed whenever the burner system is opened up for service.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy replace them as a set\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOld o-rings take a set, harden and stop sealing once they have been compressed and then released. Since almost all of the work is in opening the heater, changing every seal at once is the sensible way to do it rather than reusing two and coming back for them later.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48628743700692,"sku":"STA-151-6285","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_5a60f154-1584-4f6a-8cba-ea1ad95dca93.jpg?v=1788749573"},{"product_id":"switch-membrane-replacement","title":"Sta-Rite Switch Membrane Replacement for Max-E-Therm Heaters, 42002-0029Z","description":"\u003cp\u003eThe Sta-Rite 42002-0029Z is the switch membrane for the Max-E-Therm heater control panel, the printed pad that carries the buttons you press to set the heater.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat goes wrong\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMembranes fail before the electronics behind them. A button that takes two or three presses to register, or one that has stopped responding entirely while the rest of the panel works, is almost always a worn contact in the membrane rather than a fault on the control board. The membrane is also the seal that keeps moisture out of the switches, so a split or lifted pad is worth changing quickly even if everything still functions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order a board\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOn a heater that fires and runs normally but is awkward to operate, the membrane is the cheap thing to rule out first. The control board, the board enclosure membrane panel kit and the terminal board are separate parts on the same electrical system diagram.\u003c\/p\u003e\u003cp\u003eThis part is listed for the Max-E-Therm SR-200, SR-333 and SR-400.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48628775747796,"sku":"STA-151-0029","price":135.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_893fb8fd-3c17-4cae-b682-ba01ac066219.jpg?v=1788750459"},{"product_id":"conversion-kit-ng-to-lp-400k","title":"Sta-Rite Natural Gas to Propane Conversion Kit for 400 Max-E-Therm Heater Burner System, 77707-1441","description":"\u003cp\u003ePart 77707-1441 is the conversion kit that takes a 400 Max-E-Therm heater burner system from natural gas over to propane. It is the manufacturer kit for that job, listed against the 400 model rather than the smaller heaters in the family.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat a conversion kit does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNatural gas and propane burn at different pressures and need different amounts of air, so a burner set up for one will not run correctly on the other. The kit supplies the parts that reset the burner for the new fuel. It is not a matter of swapping a fitting on the gas line.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eCheck the model and the BTU rating on the heater data plate, and check which way you are converting. This kit runs natural gas to propane only. Going the other way, propane to natural gas, takes a different part number.\u003c\/p\u003e\u003cp\u003eFuel conversions are licensed work in most places. Have a qualified gas technician do the installation and check the heater over before it is put back in service.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48628844396756,"sku":"STA-151-1441","price":60.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_4e64bc2a-feb8-44b4-9651-2284e0ab1498.jpg?v=1788755188"},{"product_id":"thermal-regulator-w-clip","title":"Pentair Thermal Regulator with Clip, 38000-0007S","description":"\u003cp\u003eThe Pentair 38000-0007S is the thermal regulator for the Max-E-Therm heater water system, supplied with its clip. Our category data lists it with the Sta-Rite Max-E-Therm SR200, SR333 and SR400.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe thermal regulator meters water through the heat exchanger so the exchanger works in the range it was built for rather than being flooded with cold water. Get that wrong and the heater either struggles to raise temperature or runs cold enough inside to condense on the exchanger, which is not a condition it survives for long.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to suspect it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSlow or inconsistent heating with a clean filter and good flow points at the regulator. Because Sta-Rite is a Pentair brand, the service part for a Sta-Rite badged Max-E-Therm carries the Pentair number 38000-0007S.\u003c\/p\u003e","brand":"Sta-Rite","offers":[{"title":"Default Title","offer_id":48629092614356,"sku":"STA-151-6273","price":84.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_276acd87-4bb0-4b4f-a3ce-8cb1096a99b0.jpg?v=1788759629"},{"product_id":"terminal-board-fuse","title":"Sta-Rite Terminal Board Fuse, 32850-0099","description":"\u003cp\u003eSta-Rite 32850-0099 is the terminal board fuse for the Max-E-Therm SR-200, SR-333 and SR-400 heaters. It is a new OEM Sta-Rite part, and it is also listed within the Pentair MasterTemp gas heater electrical and burner system parts.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the fuse protects\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe terminal board carries the low voltage control side of the heater. The fuse sits in that circuit so that a surge, a shorted sensor lead or a failed component opens the fuse rather than cooking the board behind it. That makes it a deliberately cheap sacrificial part in an assembly that is not cheap at all.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to suspect it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA Max-E-Therm that shows nothing on the panel, with power confirmed at the heater, is a classic blown terminal board fuse. Checking the fuse takes minutes and rules out the least expensive cause before anyone starts pricing a control board.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo not stop at the fuse\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIf the replacement opens again right away, the fuse is doing its job and reporting a real fault. Trace the short or the failed component before fitting another one, because repeat fuse failures are a symptom rather than the problem.\u003c\/p\u003e","brand":"Sta-Rite","offers":[{"title":"Default Title","offer_id":48629115355348,"sku":"STA-151-6232","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_58cb980d-ba74-4d72-8eee-29ea81bc5901.jpg?v=1788759784"},{"product_id":"igniter-bracket","title":"Pentair Sta-Rite Max-E-Therm Igniter Bracket, 42001-0030S","description":"\u003cp\u003eThe 42001-0030S is the igniter bracket for the Sta-Rite Max-E-Therm SR-200, SR-333 and SR-400 pool heaters. It is a new OEM part and belongs to the Max-E-Therm electrical system parts group.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe bracket holds the igniter in its correct position at the burner. That position is not approximate: the igniter has to sit where the flame will reach it, and a bracket that has softened, warped or cracked in years of heat moves the igniter far enough to cause intermittent lighting.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is the bracket by itself. The igniter and the gasket that seals it are separate parts, so if you are chasing a no-light fault look at all three while the panel is open. Confirm the model on the heater plate reads SR-200, SR-333 or SR-400.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48629304983764,"sku":"STA-151-0030","price":67.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_7e2f1c08-3843-4ac5-8148-a060d646b933.jpg?v=1788762154"},{"product_id":"volt-selector-plug-kit","title":"Pentair Voltage Selector Plug Kit for Max-E-Therm Heater Electrical System 120\/240 V, 42001-0105S","description":"\u003cp\u003eThe Pentair 42001-0105S is the voltage selector plug kit for the Max-E-Therm and MasterTemp heater electrical system, covering the 120\/240 V selection.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese heaters can be wired for either 120 V or 240 V supply, and the selector plug is what tells the electrical system which one it is looking at. Get it wrong or leave it out and the control system will not come up correctly, which usually reads as a heater that appears dead rather than one with an obvious fault.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitting\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe plug lives inside the heater control compartment, so the supply has to be isolated before the panel is opened. This is live mains work, and if that is outside your comfort zone it belongs with a qualified technician. The kit is the genuine Pentair replacement and swaps in for the original.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48629533081812,"sku":"STA-151-0105","price":54.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_c1135be4-5fb7-437a-af00-08ec7c9fc2f2.jpg?v=1788766067"},{"product_id":"display-cover","title":"Pentair Sta-Rite Max-E-Therm Display Cover 42001-0008S","description":"\u003cp\u003ePart 42001-0008S is the display cover for the Sta-Rite Max-E-Therm heater, listed for the SR-200, SR-333 and SR-400 models. It is a new OEM part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe display cover is the clear panel over the heater control display. On an outdoor heater it takes the weather, the sun and the hose water, which is why it fogs, crazes and eventually cracks while the electronics behind it are still fine. Once it is broken the display is exposed, so it is worth replacing promptly rather than living with it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCover only\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis listing is the cover itself. The control board, the enclosure membrane panel and the switch membrane are separate Sta-Rite parts, so identify which piece has actually failed before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSta-Rite and Pentair\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMax-E-Therm is the Sta-Rite heater line and its service parts run through Pentair. Seeing either name against this part number is normal.\u003c\/p\u003e","brand":"Sta-Rite","offers":[{"title":"Default Title","offer_id":48633456165076,"sku":"STA-151-6265","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_a44a534a-3ecd-40aa-bda4-d686e09ae3c4.jpg?v=1788805019"},{"product_id":"connector-tube-kit-gas-heater","title":"Pentair Connector Tube Kit for Max-E-Therm, MasterTemp Heater Water System, 77707-0017","description":"\u003cp\u003ePentair 77707-0017 is the connector tube kit for the water system on Max-E-Therm and MasterTemp pool heaters. It is the genuine Pentair part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhere it sits\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe connector tube is part of the heater water path, the plumbing that carries pool water through the heater. Because it is on the water side rather than the gas or control side, a failure here reads as water loss, a drip under the heater or a soft spot in the flow, not as an ignition problem.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eWater at a heater can come from several places, so confirm the source before buying parts. If the connector tube is the culprit, this kit is the replacement, and it is supplied as a kit so the associated small parts arrive with it.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48633787023572,"sku":"STA-151-0017","price":55.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_cb4af79a-f37c-4b25-a59f-9bb5e7dfcc12.jpg?v=1788816564"},{"product_id":"transformer-1","title":"Sta-Rite Transformer for Max-E-Therm Heaters, 42001-0057S","description":"\u003cp\u003eThe Sta-Rite 42001-0057S is the replacement transformer for Max-E-Therm pool heaters, listed for the SR-200, SR-333 and SR-400. It is a new OEM part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe heater runs its controls on low voltage. The transformer takes the incoming supply and steps it down to feed the control board, the ignition control and the switches around them. When it fails, the heater goes completely quiet: no display, no fan, no response to a call for heat, even though power is present at the unit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore replacing it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA dead panel has more than one possible cause, so check for output on the secondary side before condemning the transformer. Isolate the heater at the breaker before opening the electrical compartment.\u003c\/p\u003e","brand":"Sta-Rite","offers":[{"title":"Default Title","offer_id":48634258391252,"sku":"STA-151-6261","price":74.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_532957a1-3ccd-402a-8418-f30f700a4f7f.jpg?v=1788827819"},{"product_id":"air-orifice-kit-200k","title":"Sta-Rite Air Orifice Kit for Model 200 Max-E-Therm Heater, 77707-0111","description":"\u003cp\u003eThis is the 77707-0111 air orifice kit for the model 200 Max-E-Therm pool heater. It is a burner system part, supplied as a kit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe air orifice meters the air side of the burner. Gas heaters fire cleanly only when air and fuel arrive in the right proportion, so an orifice that is damaged, blocked or simply the wrong size for the heater shows up as rough ignition, poor flame or soot in the burner tray.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMatch the heater size. This kit is listed for the model 200, and the larger Max-E-Therm heaters use their own parts, so confirm the size on the data plate before ordering.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48634286932180,"sku":"STA-151-0111","price":74.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_cd58c88e-ecd7-4f5d-b67d-e3de7c786c93.jpg?v=1788828216"},{"product_id":"terminal-board-1","title":"Sta-Rite Max-E-Therm Terminal Board, 42001-0056S","description":"\u003cp\u003eThe Sta-Rite 42001-0056S is the replacement terminal board for the Max-E-Therm SR-200, SR-333 and SR-400 pool heaters. It is a new OEM part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe terminal board is the landing point for heater wiring inside the electrical section. Power, controls and the safety circuit all connect through it, so its condition decides whether the rest of the electrical system sees clean connections.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to replace it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eTerminals that run hot corrode, loosen and eventually burn. Once a board is scorched, discolored or has melted insulation at a terminal, cleaning it up is not a repair. Replacing the board restores solid connections and removes a fault that tends to come back worse.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is not included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis listing is the terminal board alone. The board fuse, ignition control module, transformer and air flow switch are all separate Sta-Rite parts.\u003c\/p\u003e","brand":"Sta-Rite","offers":[{"title":"Default Title","offer_id":48634286964948,"sku":"STA-151-6260","price":64.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_3725cb5a-8cdf-42cc-bbd1-2a9333b60cdc.jpg?v=1788828221"},{"product_id":"pentair-tube-sheet-coil-assembly-kit-for-model-200hd-474062","title":"Pentair Sta-Rite Max-E-Therm Tube Sheet Coil Assembly Kit | Model 200HD Cupro Nickel | After 1-12-09 | 474062","description":"\u003cp\u003eSta-Rite Max-E-Therm Tube Sheet Coil Assembly Kit | Model 200HD Cupro Nickel | After 1-12-09 | 474062\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48647425392852,"sku":"PSU-139657","price":1251.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/139657_1_2011104163543.jpg?v=1789034469"},{"product_id":"tube-sheet-coil-assy-kit-200k","title":"Pentair Sta-Rite Max-E-Therm Tube Sheet Coil Assembly Kit | Model 200HD Cupro Nickel | Prior to 1-12-09 | 77707-0242","description":"\u003cp\u003eSta-Rite Max-E-Therm Tube Sheet Coil Assembly Kit | Model 200HD Cupro Nickel | Prior to 1-12-09 | 77707-0242\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48647508426964,"sku":"STA-151-7170","price":1126.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/96929_1_2011104123513.jpg?v=1789034637"},{"product_id":"quiet-blower-kit-400k-propane","title":"Pentair BLOWER KIT LP SR400 | 77707-0256","description":"\u003cp\u003ePentair BLOWER KIT LP SR400. OEM part number 77707-0256.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48647595262164,"sku":"STA-151-0256","price":714.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/77707-0256.jpg?v=1789672310"},{"product_id":"quiet-blower-kit-200k-propane","title":"Pentair BLOWER KIT LP SR200 | 77707-0254","description":"\u003cp\u003ePentair BLOWER KIT LP SR200. 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