{"product_id":"dfnidy-chlorinator-tubing-replacement-kit-for-pentair-rainbow-320-322-r172091-5-8in-od-hose-with-fittings-chlorine-resistant-o","title":"Dfnidy Chlorinator Tubing Replacement Kit for Pentair Rainbow 320\/322 — R172091 5\/8in OD Hose with Fittings \u0026 Chlorine-Resistant O","description":"\u003cp\u003e\u003cstrong\u003eDfnidy Chlorinator Tubing R172091 is a complete replacement hose kit designed to restore flow and reliability to Pentair Rainbow 320\/322 automatic chlorine and bromine in-line feeders.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your Pentair Rainbow model 320 or 322 feeder is showing reduced output, leaks, or a kinked supply tube, this Dfnidy kit contains the core parts commonly needed to repair the unit quickly. The set includes 5\/8\" OD PVC tubing (R172091), 1\/2\" 90-degree NPT tube fittings (R172272), a tube support spring (R171097), a pool chlorinator screen (R172255) and a chlorine-resistant o-ring (R172009). All pieces are sized to match the original Pentair components so you can swap them in without modifying the feeder.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this replacement kit restore my feeder’s performance?\u003c\/h3\u003e\n\u003cp\u003eWorn or kinked tubing and clogged screens reduce chemical delivery and can create leaks. Replacing the tubing, fittings, spring, screen, and o-ring addresses the most common wear points, helping the feeder deliver the intended chlorine or bromine dose again.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e5\/8\" OD PVC tube restores proper fluid passage and flexibility.\u003c\/li\u003e\n  \u003cli\u003e1\/2\" 90° NPT fittings re-establish secure connections at inlet\/outlet points.\u003c\/li\u003e\n  \u003cli\u003eSupport spring prevents kinking where tubing bends, improving flow.\u003c\/li\u003e\n  \u003cli\u003eReplacement screen catches debris to avoid blockages.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich Pentair models and parts are compatible with this kit?\u003c\/h3\u003e\n\u003cp\u003eThe Dfnidy kit was built to match Pentair Rainbow feeder dimensions and common replacement part numbers. It fits Rainbow automatic in-line chlorinator models 320 and 322 and provides O-ring and screen replacements that match the original Pentair components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect compatibility with Pentair Rainbow 320 and 322 feeders.\u003c\/li\u003e\n  \u003cli\u003eO-ring suitable for Pentair Rainbow 300\/320 lids.\u003c\/li\u003e\n  \u003cli\u003eScreen R172255 sized to prevent grate clogging inside the chlorinator housing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat tools and steps are needed to install the new tubing and parts?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward and typically requires only basic hand tools and about 10–20 minutes. The process is a simple swap: remove the old tubing and damaged parts, install the new o-ring and screen, fit the tubing with the 90° fittings, and secure the tube with the support spring where needed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRecommended tools: adjustable wrench, pliers, and a clean cloth.\u003c\/li\u003e\n  \u003cli\u003eStep: depressurize and empty feeder, then remove old parts and insert replacements.\u003c\/li\u003e\n  \u003cli\u003eCheck all threaded fittings and o-rings for a snug, leak-free fit before re-pressurizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat material properties and durability can I expect from these parts?\u003c\/h3\u003e\n\u003cp\u003eThe tubing is flexible PVC formulated for chemical exposure typical of chlorine and bromine feeders, while the o-ring is chlorine-resistant to maintain seal integrity. The tube support spring reduces stress at bend points, extending tube life and minimizing service intervals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePVC tubing resists common pool chemicals and stays flexible under normal temperatures.\u003c\/li\u003e\n  \u003cli\u003eChlorine-resistant o-ring reduces hardening and leakage over time.\u003c\/li\u003e\n  \u003cli\u003eDurable 90° NPT fittings maintain alignment and prevent connection wear.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: pool and spa owners or service technicians who need a reliable, direct-fit replacement for worn Pentair Rainbow 320\/322 chlorinator internals. If you notice reduced feed rates, visible tube degradation, or minor leaks from your feeder, this Dfnidy kit gives you the specific parts to repair the unit quickly and get your feeder back to consistent operation without replacing the entire chlorinator.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this kit fit my Pentair Rainbow 320 feeder?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit includes direct-fit tubing, fittings, screen, and o-ring sized for Pentair Rainbow 320 and compatible with model 322.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I install these parts myself?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Basic hand tools and 10–20 minutes are typically enough to replace the tubing, fittings, spring, screen, and o-ring.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Dfnidy","offers":[{"title":"Default Title","offer_id":56833846444372,"sku":"B0F4XQXG4W","price":46.67,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/dfnidy-front-packaging-pentair-320-kit.jpg?v=1787044666","url":"https:\/\/gardenluxe.co.uk\/products\/dfnidy-chlorinator-tubing-replacement-kit-for-pentair-rainbow-320-322-r172091-5-8in-od-hose-with-fittings-chlorine-resistant-o","provider":"Gardenluxe Uk","version":"1.0","type":"link"}