{"product_id":"pentair-lock-spring","title":"Pentair Lock Spring","description":"\u003cp\u003e\u003cspan class=\"citation-130 citation-end-130\"\u003eThe Pentair Lock Spring (part number R172374) is a small but vital mechanical component engineered to maintain the structural safety and operational integrity of Pentair Rainbow high-capacity automatic chemical feeders—including models HC-3315, HC-3330, and HC-3340—as well as the Dynamic Series II, III, and V (RTL\/RCF and DSC) pool and spa cartridge filtration systems.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-129 citation-end-129\"\u003eFabricated from premium, corrosion-resistant spring steel, this piece is designed to provide continuous tension against the locking ring or lock screw mechanism.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Its primary function is to prevent the filter or feeder lid from backing off or loosening dynamically due to continuous hydraulic pressure and system vibrations. \u003cspan class=\"citation-128\"\u003eMeasuring just under two inches in length, this precise hardware component has an actual product weight of approximately \u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-128\"\u003e0.01 pounds\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-128 citation-end-128\"\u003e (about 0.16 ounces), rendering it an incredibly lightweight yet structurally critical fastener for preventing chemical or water leaks in high-pressure aquatic environments.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Commercial Pool and Spa Supplies","offers":[{"title":"Default Title","offer_id":53302685728879,"sku":"R172374","price":10.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/3785\/3807\/files\/rainbow-rtl-lock-spring-17-2374__55527.jpg?v=1781796513","url":"https:\/\/commercialpoolandspasupplies.com\/products\/pentair-lock-spring","provider":"Commercial Pool and Spa Supplies ","version":"1.0","type":"link"}