{"title":"Rola-Chem Parts","description":"\u003cp\u003eRola-Chem parts at Active Pool Supply, genuine OEM and quality aftermarket.\u003c\/p\u003e","products":[{"product_id":"check-valve-pvc-inj-1-4-npt","title":"Rola-Chem Injection Check Valve, PVC, 1\/4\" NPT, 521170","description":"\u003cp\u003eThe Rola-Chem 521170 is a PVC injection check valve for peristaltic chemical metering pumps. It sits at the injection point where the feed line meets the plumbing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA metering pump pushes small doses of chemical into a pressurised return line. When the pump stops, that pressure wants to go back the other way. The check valve is what stops it, keeping pool water and chemical out of the feed tube and out of the pump head. It is a small fitting doing a job that protects a much more expensive one.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCheck the connection before ordering\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe supplied data describes this valve two different ways. The product title gives 1\/4 inch NPT; the detailed description gives 3\/8 inch barb by 1\/4 inch barb. We have listed both rather than choosing one for you. If the fitting size is critical, measure what is on the system now or get in touch and we will confirm.\u003c\/p\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":48626288001236,"sku":"ROL-451-1170","price":40.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/521170.jpg?v=1788707710"},{"product_id":"flex-tube-w-clamp-8","title":"Rola-Chem 8\" Tygon Pinch Tube Assembly with Clamp for RC301 Peristaltic Pump, 523250","description":"\u003cp\u003eRola-Chem 523250 is the eight inch Tygon pinch tube assembly, complete with its clamp, for the RC301 peristaltic chemical feed pump. It is the genuine part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow a peristaltic pump works\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThere is no impeller and no seal touching the chemical. A rotor squeezes a flexible tube against the pump head and pushes the liquid along inside it. That is what makes these pumps tolerant of aggressive chemistry, and it is also why the tube is the part that wears out.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy it is a scheduled item\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe tube is compressed and released thousands of times an hour. Eventually it takes a set, loses its recovery, and then splits. When that happens the pump keeps running and sounds completely normal while no chemical reaches the pool, which is the failure that costs people a week of bad water before anyone checks the feeder. Change the tube on a schedule instead of waiting for it.\u003c\/p\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":48627842253012,"sku":"ROL-451-6084","price":23.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_24ac94ae-0c47-4eed-bdb9-46826dca0738.jpg?v=1788728117"},{"product_id":"vinyl-tubing-4375x-per-ft","title":"Rola-Chem 7\/16\" Vinyl Tubing for Chemical Feeders, 520116","description":"\u003cp\u003eRola-Chem 520116 is the vinyl tubing used on chemical feeder installations, listed at 7\/16 inch, or 0.4375 inch.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow it is sold\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBy the foot. The price on this page is for a single foot, so set the quantity to the number of feet your run needs and it comes as one length. That avoids paying for a coil you will not use on a short run, and avoids splicing on a long one.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOn the job\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFeed tubing is a wear item on any chemical installation. Lines stiffen, discolor and eventually crack where they flex, and a cracked feed line is a dose that never reaches the water. Replacing the run is cheap and takes minutes.\u003c\/p\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":48627904282836,"sku":"ROL-451-6117","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/RC520116.jpg?v=1788729732"},{"product_id":"injection-ftg-plastic","title":"Rola-Chem 7\/16 in. Plastic Tube Injection Fitting for Pro Series 300 Pump, 527159","description":"\u003cp\u003eRola-Chem 527159 is the plastic injection fitting for 7\/16 in. tube on the Pro Series 300 chemical feed pump.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhere it goes\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe injection fitting is the connection at the far end of the feed line, where the tube from the pump meets the plumbing and the chemical enters the water. It is the point that sees the most concentrated chemical, so it is a routine replacement item on a feeder that has been in service a while.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt is sized for 7\/16 in. tube on the Rola-Chem Pro Series 300. Confirm your tube size before ordering, since a feeder that has been serviced before may not still be on its original tube.\u003c\/p\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":48628831486164,"sku":"ROL-451-6108","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_6cf7ccb5-57e5-4805-8164-f504a769f3bb.jpg?v=1788753615"},{"product_id":"digital-controller-manifold","title":"Rola-Chem Digital Control Manifold Filter Kit, 550591","description":"\u003cp\u003eThe Rola-Chem 550591 is the digital control manifold filter kit, the replacement manifold assembly for a Rola-Chem digital chemical controller.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhere it sits in the system\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA chemical controller reads the water and decides when to feed. The manifold is the wet plumbing that feed passes through, which means it lives in contact with sanitizer or acid every time the unit runs. That is the part of a feeder system that ages first: fittings harden, seals lose their grip, and the assembly starts to weep at the joints instead of holding pressure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is ordered by part number. Our facts for this kit do not carry a model by model fit list, so check 550591 against the manifold on your own Rola-Chem unit rather than going by the description alone.\u003c\/p\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":48629109260500,"sku":"ROL-451-0591","price":79.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_2df927dc-7468-4da2-a241-6fbac99862b5.jpg?v=1788759763"},{"product_id":"crane-washer","title":"Rola-Chem 7\/16\" Crane Washer for Pro Series 300 Pump, 525113","description":"\u003cp\u003eThe Rola-Chem 525113 is a 7\/16 inch crane washer listed as a replacement part for the Rola-Chem Pro Series 300 pump.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrdering the right one\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFeeder washers are hard to identify once they are out of the machine, and close sizes are easy to confuse. Match the part number, 525113, and the 7\/16 inch size rather than comparing the old part by eye.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWorth stocking\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSmall sealing parts on a chemical feed pump are consumable. They harden, flatten and eventually weep, and the pump is usually needed on the day the leak appears. Owners commonly pick up the 7\/16 inch plastic injection fitting for tube for the same pump at the same time, which is ordered separately.\u003c\/p\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":48634266452180,"sku":"ROL-451-6100","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_f06704fc-a91f-41d9-96be-d32212d5c6a4.jpg?v=1788827919"},{"product_id":"flex-tube-w-clamp-prem-13-25","title":"Rola-Chem Premium Flex Tube with Clamp 13.25 in., 523114","description":"\u003cp\u003eThe Rola-Chem 523114 is the premium flexible squeeze tube with clamp and fitting for Rola-Chem chemical feeders, 13-1\/4 in. long in black Norprene.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe part that wears out\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA peristaltic chemical feeder works by squeezing a flexible tube with a set of rollers, pushing chemical along without the liquid ever touching a pump mechanism. That design is why the pumps handle aggressive chemicals well, and it is also why the tube is the consumable. Every revolution flexes the same section of tube. Eventually it fatigues and splits, and when it does the chemical ends up inside the pump head instead of in the pool.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrdering the right one\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eRola-Chem lists this tube at 13-1\/4 in. and in the premium Norprene grade. Rola-Chem also sells a standard version at the same length and other tubing options for its feeders, so measure the tube you are pulling out and match the length and grade. Most operators keep a spare on hand and change the tube on a schedule rather than after a failure.\u003c\/p\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":48634421739732,"sku":"ROL-451-6081","price":30.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_2cc4d2b7-33f1-49d6-8e8c-0b1798e96a8d.png?v=1788830274"},{"product_id":"rc-lock-assembly-knob","title":"Rola-Chem Lock Knob Assembly for RC303\/305\/307 Peristaltic Pumps, 523408","description":"\u003cp\u003eThe Rola-Chem 523408 is the lock knob assembly used on the RC303, RC305 and RC307 peristaltic chemical feed pumps. It is the knob that clamps the roller housing cover closed over the pump head.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy it fails\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe knob comes off every time the squeeze tube is changed, and that is exactly when it gets cross threaded, over tightened or dropped. Once the knob will no longer draw the cover down tight, the tube is not pressed properly against the rollers and feed rate falls off or the head leaks.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCheck the model first\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis knob is listed for the RC303, RC305 and RC307. The source listing specifically states it does not fit the RC252 or the RC301, so confirm the model on the pump label before ordering.\u003c\/p\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":48634719994068,"sku":"ROL-451-9000","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_00db8908-5487-435c-ba01-84e72bbeb32d.jpg?v=1788836563"},{"product_id":"hose-clamp-6","title":"Rola-Chem Small #6 Plastic Hose Clamp for Pro Series RC300 Peristaltic Pumps, 520110","description":"\u003cp\u003eRola-Chem 520110 is the small #6 plastic hose clamp used on Pro Series RC300 peristaltic pumps. It is the factory clamp for the feed tubing on those pumps rather than a general purpose worm drive band.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy plastic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe lines on a chemical feed pump carry sanitizer or acid. A plastic clamp has nothing on it to corrode where a metal band would, and it is what Rola-Chem specifies on this pump.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSmall versus large\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is the small size, the #6. Rola-Chem also lists a larger #8 flexible clamp under a different part number, so check the tubing you are clamping before ordering. A clamp is a small part with a large consequence: once one goes brittle and loses tension the tubing can walk off the barb, and the pump keeps dosing onto the pad instead of into the water.\u003c\/p\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":48634724581588,"sku":"ROL-451-6079","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_da4a1f99-e4dd-4c67-94b6-40740c17a254.jpg?v=1788836647"},{"product_id":"tubing-vinyl-31-x-44-x-66-7-16-od","title":"Rola-Chem 66\" x 7\/16\" Vinyl Tubing for Peristaltic Pumps, 520120","description":"\u003cp\u003eThis is the Rola-Chem 520120 vinyl tubing for peristaltic chemical feed pumps: a 66 inch length with a 7\/16 inch outside diameter.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe one part that wears\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA peristaltic pump has no seals and no impeller. A rotor with rollers squeezes a length of flexible tube and walks the chemical along it. That means the tube does all the work and takes all the abuse, and it is the part that eventually fails while everything else in the pump is still fine.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow to tell it is due\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe motor turns, the rotor spins, and nothing arrives at the injection point. Pull the tube out and look at the section that runs under the rollers. If it has gone flat, stiff, cloudy or split, that is your answer. Match the outside diameter to the pump head when you order, because the OD is what the rollers are set for.\u003c\/p\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":48634965000404,"sku":"ROL-451-0091","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_b87ad788-b208-4fee-b2b1-36921a6e886a.jpg?v=1788839107"},{"product_id":"rola-chem-corporation-523115-flex-tube-with-clamp-13-25-inch","title":"Rola-Chem Flex Tube With Clamp 13.25\" | 523115","description":"\u003cp\u003eRola-Chem Flex Tube With Clamp 13.25\". OEM part number 523115.\u003c\/p\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":48649088172244,"sku":"ROL-451-6082","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/86920_1_201328111830.jpg?v=1789060097"},{"product_id":"gasket-vertical-mount","title":"Rola-Chem GASKET VERTICAL MOUNT | 570088","description":"\u003cp\u003eRola-Chem GASKET VERTICAL MOUNT. OEM part number 570088.\u003c\/p\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":48649587097812,"sku":"ROL-451-6172","price":15.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/86957_1_2013422112132.jpg?v=1789056645"}],"url":"https:\/\/www.activepoolsupply.com\/collections\/rola-chem-parts.oembed","provider":"Active Pool Supply","version":"1.0","type":"link"}