{"title":"Rola-Chem Equipment","description":"\u003cp\u003eRola-Chem equipment at Active Pool Supply, genuine OEM and quality aftermarket.\u003c\/p\u003e","products":[{"product_id":"flow-switch-for-flow-cell","title":"Rola-Chem Flow Switch for Globe Flow Cell, 550183","description":"\u003cp\u003eThe Rola-Chem 550183 is the replacement flow switch for Rola-Chem's globe style flow cell. It is the genuine Rola-Chem part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe flow switch proves that water is moving through the flow cell. The controller will only feed chemical while that signal is present, which keeps it from dosing a dead line when the pump is off. A switch that sticks open shuts feeding down; one that fails closed lets the controller feed with no flow.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is the switch on its own, not the flow cell. Confirm your cell is the globe style before ordering.\u003c\/p\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":48625020993748,"sku":"ROL-451-6073","price":146.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_34469bf2-c841-4f6b-988c-5a82bb4f4b7b.jpg?v=1788662380"},{"product_id":"ph-probe-heavy-duty","title":"Rola-Chem 8 ft Heavy Duty pH Probe, 550135","description":"\u003cp\u003eThe Rola-Chem 550135 is the heavy duty pH probe with an 8 ft lead, for Rola-Chem digital and analog controller systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA chemical controller decides when to feed acid based entirely on what the pH probe tells it. That makes the probe the accuracy limit for the whole system. When one ages past the point where cleaning and calibration bring it back, the controller keeps dosing confidently on numbers that are no longer true.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is the pH probe, not the ORP probe, and the ORP version is a separate part. The lead is eight feet, so check the run from your probe location back to the controller.\u003c\/p\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":48625792909524,"sku":"ROL-45-914","price":221.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_fff5a4d0-e63a-41b1-add5-384225c4ae7e.jpg?v=1788700265"},{"product_id":"orp-probe-heavy-duty","title":"Rola-Chem ORP Probe Heavy Duty, 550136","description":"\u003cp\u003eThe Rola-Chem 550136 is the heavy duty ORP probe with an 8 ft lead, made for Rola-Chem digital and analog controller systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it measures\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eORP, oxidation reduction potential, is the reading a controller uses to judge how actively the sanitizer in the water is working. It is a better guide than raw chlorine concentration, because it reflects what the sanitizer is actually doing. The controller feeds chemical based on that number, so the probe is the piece the entire automated loop depends on.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to replace it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eProbes are consumables. The sensing element slowly loses response, readings drift, and calibration stops holding. Once a probe will not stay calibrated after cleaning, it is done, and the controller is dosing on bad information until it is replaced.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote on the pair\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eORP and pH are read by separate probes. If your controller manages both, this listing covers the ORP side only; the matching 8 ft heavy duty pH probe is a separate Rola-Chem part.\u003c\/p\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":48626478153940,"sku":"ROL-45-915","price":230.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_77d0a6a7-e2a2-4103-baae-625add9a7dd7.jpg?v=1788710690"},{"product_id":"check-valve-asy-inline","title":"Rola-Chem 3\/8\" B PVC Inline Check Valve Assembly, 521160","description":"\u003cp\u003eThe Rola-Chem 521160 is an inline check valve assembly in PVC, sized 3\/8 inch B. It is sold as a complete assembly, so there is nothing to build up before it goes in.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat a check valve is for\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA check valve lets flow move one way and shuts against the other. Fitted inline, it keeps whatever is downstream from draining or siphoning back the way it came when the line goes quiet.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrdering\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMatch the part number, 521160, and the 3\/8 inch B size against the valve you are replacing. Note the direction of flow before removing the old assembly so the new one goes in the same way round.\u003c\/p\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":48627851362516,"sku":"ROL-451-6074","price":42.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_d782bcb7-c519-4f75-9db2-3f451263b9ab.jpg?v=1788728303"},{"product_id":"paradise-pool-sentry-autofill","title":"Rola-Chem Paradise Pool Sentry Autofill, M-3000","description":"\u003cp\u003eThe Rola-Chem Paradise Pool Sentry autofill, part M-3000, is an automatic water leveler. It keeps the pool at its working level so the job does not fall to a hose and someone remembering to turn it off.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy the level is worth automating\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEvaporation, splash out and backwashing all pull the surface down, and the pool does not wait for a convenient moment. Once the water falls below the skimmer mouth the pump begins drawing air, which is how a system loses prime and how a shaft seal ends up running dry. An autofill catches that before it becomes a service call.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe side benefit\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA pool that holds its level also holds its volume, and a stable volume is what makes dosing predictable. Chemistry that keeps drifting after every top up is often just a pool whose water level swings.\u003c\/p\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":48628858159316,"sku":"PDR-56-3000","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_f48110ea-1e4f-4aed-b356-f4f4d1fa8a35.jpg?v=1788755519"},{"product_id":"flowmeter-6-pvc","title":"Rola-Chem 6\" PVC 400-1050 GPM Top Mount Flowmeter, 570391T","description":"\u003cp\u003eThe Rola-Chem 570391T is a top mount flowmeter for 6 inch PVC, scaled to read 400 to 1050 GPM.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhere it goes\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe meter installs into the top of the pipe, which puts the scale where an operator can read it while walking the equipment pad. Rola-Chem builds these to work with schedule 40 PVC pipe and to be compatible with practically every existing flowmeter, so replacing an older unit does not usually mean replumbing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDuty\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe meter is rated for water temperatures up to 200 degrees F, well past anything a pool circulates, which is what lets it live on heated commercial systems without the body going soft.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy flow readings matter\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eTurnover rate, heater performance, chemical feed and filter backwash all depend on knowing the real flow rather than the flow the pump was rated for on paper. A meter that has clouded or clogged tells you nothing useful, and a system running blind is one where a partially blocked filter goes unnoticed for weeks.\u003c\/p\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":48633666044116,"sku":"ROL-56-6170","price":179.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_729b216d-b989-4e23-95a7-7a187a1ee490.jpg?v=1788808429"},{"product_id":"flowmeter-2-1-2-pvc","title":"Rola-Chem 2.5 Inch PVC Top Mount Flowmeter, 70 to 240 GPM, 570361T","description":"\u003cp\u003eThe Rola-Chem 570361T is a top mount flowmeter for 2.5 inch PVC pipe, reading 70 to 240 gallons per minute.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy a flowmeter\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFlow rate is the number behind turnover, heater performance and filter sizing, and on a commercial pool it is usually what an inspector asks to see. A meter reading nothing, or reading obviously wrong, makes every one of those judgments guesswork. That is the point at which a clouded or clogged unit gets replaced.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitting and range\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe meter is built for schedule 40 PVC pipe and is constructed to withstand water temperatures up to 200 degrees F. Check the range against your system before ordering, since a meter reading 70 to 240 GPM tells you nothing useful on a pool moving 40. Rola-Chem builds the same size in a vertical mount version, so pick the orientation that lets you actually read the face where the meter will sit.\u003c\/p\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":48634279035092,"sku":"ROL-56-6167","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_6c76537c-ab12-451c-9b1a-f951413b2453.jpg?v=1788828041"},{"product_id":"flowmeter-2-1-2-vertical","title":"Rola-Chem 2.5 Inch PVC Vertical Mount Flowmeter, 70 to 240 GPM, 570361V","description":"\u003cp\u003eThe Rola-Chem 570361V is a vertical mount flowmeter for 2.5 inch PVC pipe, reading 70 to 240 gallons per minute.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMount orientation\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eTop mount and vertical mount meters measure the same thing. What differs is how the body sits on the pipe and therefore the angle you read it from. On a crowded equipment pad that is not a detail, it is the difference between a number you can check at a glance and one nobody looks at.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRange and construction\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe meter reads 70 to 240 GPM, works with schedule 40 PVC pipe and is constructed to withstand water temperatures up to 200 degrees F. Match the range to your system before ordering. Rola-Chem builds these to be compatible with practically every existing flowmeter and to be serviced rather than discarded, which is why a clouded or clogged old unit is worth replacing with one.\u003c\/p\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":48634279067860,"sku":"ROL-56-6173","price":75.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_4e338792-b5c8-47e2-a812-38e01369953a.jpg?v=1788828046"},{"product_id":"flowmeter-2-pvc-top-mount","title":"Rola-Chem 2\" PVC 40-140 GPM Top Mount Flowmeter, 570351T","description":"\u003cp\u003eThe Rola-Chem 570351T is a top mount flowmeter for 2 inch schedule 40 PVC pipe, reading 40 to 140 GPM, or 151 to 530 LPM on the metric scale.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy measure flow\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePressure gauges tell you what the filter is doing. Only a flowmeter tells you how much water is actually moving, which is the number that matters for turnover, for heater minimum flow, and for any code that specifies a rate. On a commercial system it is often required equipment. On a residential one it is the fastest way to know whether a variable speed pump is really doing the job at the speed it has been set to.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe meter goes into the top of a horizontal run, so the scale reads upward. Flowmeters need undisturbed water to read honestly, which means a straight length of pipe on both sides of the meter and plenty of distance from elbows, tees and valves. Crowding it against a fitting produces a reading that swings or sits high. Rola-Chem also builds side mount and vertical mount versions of this range for runs where a top mount will not work.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eService\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt is rated for water up to 200 degrees F and it is built to be opened and cleaned. When a reading drifts, the sight tube and the float are the first things to look at, because scale and debris will hold the float away from its true position long before anything mechanical fails.\u003c\/p\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":48634282213588,"sku":"ROL-56-6166","price":66.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_9b7d4b91-8861-4648-b5c0-aa2882de3f4a.jpg?v=1788828093"},{"product_id":"flowmeter-1-5-pvc","title":"Rola-Chem 1.5\" PVC 25-60 GPM Top Mount Flowmeter, 570341T","description":"\u003cp\u003eThe Rola-Chem 570341T is a top mount flowmeter for 1.5 inch PVC pipe, reading 25 to 60 GPM. It installs into the top of a horizontal run and gives a direct reading of what is actually passing through the line.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy a flowmeter earns its place\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMost equipment pads are judged by a pressure gauge, which really only reports how loaded the filter is. Flow rate is the number that everything else is specified against: pool turnover, the minimum flow a heater needs before it will fire safely, the dosing a chlorinator is rated for, and the point at which a pump is being asked to push more than its plumbing can take. A flowmeter puts that number in front of you every time you walk the pad.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitting and range\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt is scaled 25 to 60 GPM, which is the working band for a 1.5 inch line. Pick the mount and pipe size to match the run you are installing into, and give the meter a straight length of pipe ahead of it so the reading settles. Rola-Chem makes matching meters in larger sizes and in side and vertical mount styles for other parts of the system.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eService parts\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe o-ring and the black caplug are available separately, so a leaking or damaged meter does not always mean a new meter.\u003c\/p\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":48634375831764,"sku":"ROL-56-6164","price":65.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_caf50fd6-f175-4d57-be9b-82d84f949db0.jpg?v=1788828735"},{"product_id":"controller-orp-ph-programable","title":"Rola-Chem Digital Controller Orp-Ph Programable | 554000","description":"\u003cp\u003eRola-Chem Digital Controller Orp-Ph Programable. OEM part number 554000.\u003c\/p\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":48647425163476,"sku":"ROL-45-912","price":1483.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/35751_0_2016426144741.jpg?v=1789034461"},{"product_id":"1-12gpd-120v-solid-state","title":"Rola-Chem RC252SC Peristaltic Pump for 500-65000 Gallons | 543709","description":"\u003cp\u003eRolaChem RC252SC Peristaltic Pump for 500-65,000 Gallons, Solid State | 1.12GPD | 120V | 543709\u003c\/p\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":48647794458836,"sku":"ROL-45-709","price":461.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/86959_1_201032418309.jpg?v=1789035938"},{"product_id":"rc25-53sc-120v","title":"Rola-Chem RC25-53SC Peristaltic Pump for 500-65,000 Gallons | 543700","description":"RolaChem RC25\/53SC Peristaltic Pump for 500-65,000 Gallons | .10 - 12 GPD | 120V | 543700 - This unit comes with plug Includes Clear Tygon (Chlorine) and Black Norprene (Acid or Chlorine) Tubes, A quick release cover for fast tubing access\u003cbr\u003eIncludes a three-way switch control for priming, shock feeding or stopping feed\u003cbr\u003eOne-year limited warranty (tubing not included)\u003cbr\u003e\u003cbr\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":48647794589908,"sku":"ROL-45-901","price":462.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/86962_1_2010316145056.jpg?v=1789035940"},{"product_id":"rc103sp-120v-chemical-feeder","title":"Rola-Chem RC2103SP Peristaltic Pump for 500-65,000 Gallons | .10 - 12 GPD | 120V | 543796","description":"\u003cp\u003eRolaChem RC2103SP Peristaltic Pump for 500-65,000 Gallons | .10 - 12 GPD | 120V | 543796\u003c\/p\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":48647799242964,"sku":"ROL-45-911","price":461.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/86972_1_2010316171222.jpg?v=1789035969"},{"product_id":"rc25-53sp-240v","title":"Rola-Chem RC25\/53SP Peristaltic Pump for 500-65,000 Gallons | .10 - 12 GPD | 240V | 543720","description":"\u003cp\u003eRolaChem RC25\/53SP Peristaltic Pump for 500-65,000 Gallons | .10 - 12 GPD | 240V | 543720\u003c\/p\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":48647802781908,"sku":"ROL-45-902","price":426.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/86963_1_2010316145119.jpg?v=1789035992"},{"product_id":"rc103sc-120v-chemical-feeder","title":"Rola-Chem Peristaltic Pump for 500-65,000 Gallons RC103SC | 543702","description":"RolaChem Peristaltic Pump for 500-65,000 Gallons | .10 - 12 GPD | 120V | 543702 RC103SC\u003cbr\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":48648589148372,"sku":"ROL-45-904","price":467.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/86965_1_201032418291.jpg?v=1789058846"},{"product_id":"paradise-spa-vac-ea","title":"Rola-Chem Paradise Spa Vac | NPSV6","description":"\u003cp\u003eRola-Chem Paradise Spa Vac. OEM part number NPSV6.\u003c\/p\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":48648797159636,"sku":"PDR-40-2140","price":74.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/74177_1_20101029122541.jpg?v=1789059290"}],"url":"https:\/\/www.activepoolsupply.com\/collections\/rola-chem-equipment.oembed","provider":"Active Pool Supply","version":"1.0","type":"link"}