{"title":"Spa Hot Tub Seal-Gasket","description":null,"products":[{"product_id":"r172009-cap-oring-for-automatic-chlorinebromine-poolspa-filter-2-pack","title":"R172009 Cap O-Ring for Automatic Chlorine\/Bromine Pool\/Spa Filter - Fits Pentair Rainbow Automatic Chlorine\/Bromine Pool \u0026 Spa Feeder - 2 Pack","description":"\u003ch2\u003eR172009 Cap O-Ring for Automatic Chlorine\/Bromine Pool\/Spa Filter\u003c\/h2\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Chemical Seal:\u003c\/strong\u003e Engineered to create an airtight and watertight seal between the feeder body and the threaded cap, preventing dangerous chlorine gas leaks and water spray.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Nitrile Rubber:\u003c\/strong\u003e Manufactured from high-quality, chemical-resistant elastomers designed to withstand constant exposure to concentrated chlorine and bromine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandardized Fit:\u003c\/strong\u003e Molded to exact OEM specifications to ensure a \"no-leak\" performance on Pentair Rainbow's most popular automatic chemical feeders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTension Retention:\u003c\/strong\u003e Maintains its shape and elasticity over time, resisting the \"flattening\" effect caused by the high compression required to seal the feeder cap.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplaces \/ Cross-Reference Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003eR172009\u003c\/li\u003e\n\u003cli\u003eO-283V\u003c\/li\u003e\n\u003cli\u003eO-283\u003c\/li\u003e\n\u003cli\u003e154005\u003c\/li\u003e\n\u003cli\u003e2114-02V\u003c\/li\u003e\n\u003cli\u003e355051425\u003c\/li\u003e\n\u003cli\u003e355051332\u003c\/li\u003e\n\u003cli\u003e722R0840030\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThis O-ring is a direct replacement for the cap seal on Pentair Rainbow series automatic feeders. Key compatible models include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRainbow 300 Series:\u003c\/strong\u003e Fits models 300, 302, and 300-29X offline feeders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRainbow 320 Series:\u003c\/strong\u003e Fits models 320 and 322 inline feeders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpa Feeders:\u003c\/strong\u003e Compatible with various small-capacity Rainbow spa feeders utilizing the R172009 cap size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Approximately 3-inch Inner Diameter (ID) and 1\/8-inch thickness (Standard -234 O-ring size).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater Leaking from Cap:\u003c\/strong\u003e Visible water dripping or spraying from the threads of the top cap when the pool pump is running.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChlorine Smell:\u003c\/strong\u003e A strong smell of chlorine near the feeder, indicating that gas is escaping through a compromised seal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompressed or Flat O-Ring:\u003c\/strong\u003e The O-ring has lost its round profile and appears flattened, which prevents it from seating properly in the cap groove.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhysical Deterioration:\u003c\/strong\u003e The rubber appears cracked, brittle, or \"gummy\" due to chemical degradation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifficulty Opening Cap:\u003c\/strong\u003e A swollen or unlubricated O-ring can cause the cap to seize, making it nearly impossible to unscrew for refilling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelieve Pressure:\u003c\/strong\u003e Always turn off the pool pump and bleed the air from the system (or open the air release valve) before attempting to unscrew the feeder cap.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean the Groove:\u003c\/strong\u003e Use a soft cloth to wipe out any debris, old lubricant, or calcium buildup from the cap groove and the top lip of the feeder body.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLubrication is Critical:\u003c\/strong\u003e Apply a liberal amount of \u003cstrong\u003e100% Silicone-based lubricant\u003c\/strong\u003e (like Jack's Multilube or Magic Lube) to the new O-ring. Never use petroleum-based lubricants (like Vaseline), as they will cause the rubber to swell and degrade.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeating the Ring:\u003c\/strong\u003e Stretch the O-ring gently into the groove on the underside of the cap. Ensure it is not twisted and sits flush against the back of the groove.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHand Tighten:\u003c\/strong\u003e Screw the cap back on until it is snug. Over-tightening can pinch the O-ring or make it extremely difficult to remove the next time you need to add chemicals.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BlueStarsParts","offers":[{"title":"Default Title","offer_id":46497318338749,"sku":"AZ00211748","price":8.39,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2576\/7548\/files\/AZ00211748_1.jpg?v=1765959325"}],"url":"https:\/\/bluestarsparts.com\/collections\/spa-hot-tub-seal-gasket-parts.oembed","provider":"BlueStars Parts","version":"1.0","type":"link"}