{"product_id":"rola-chem-pro-series-300-rc307mc-metering-pump-77gpd-543824","title":"Rola-Chem Pro Series 300 RC307MC Chemical Feed Pump, 77 GPD 120V | 543824","description":"\u003cp\u003ePrecise chemical dosing for big pools. The Rola-Chem 543824 is a Pro Series 300 (RC307MC) peristaltic metering pump that feeds liquid chlorine, acid, or other pool chemicals at up to 77 gallons per day at 30 PSI on 120V power. A digital timer and fine dosing increments let you dial in exactly how much and how often, so your water stays balanced without hand-dosing. It is sized for large residential and commercial pools, roughly 180,000 to 400,000 gallons.\u003c\/p\u003e\u003ch3\u003eWhat It Is For\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAutomatically meters liquid pool chemicals (chlorine, acid, and more) into the system.\u003c\/li\u003e\n\u003cli\u003eFeeds up to 77 GPD at 30 PSI on 120V; self-priming with an 18 ft suction lift.\u003c\/li\u003e\n\u003cli\u003eBuilt for large residential and commercial pools (about 180,000 to 400,000 gallons).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFully digital timer with refined dosing increments for precise control.\u003c\/li\u003e\n\u003cli\u003eThree-way switch: timer, off, or continuous feed.\u003c\/li\u003e\n\u003cli\u003eQuick-release cover for fast squeeze-tube access.\u003c\/li\u003e\n\u003cli\u003eIncludes clear Tygon and black Norprene squeeze tubes, a 1\/4 in. plastic injection adapter, and a 1\/2 in. brass injection fitting.\u003c\/li\u003e\n\u003cli\u003eHeavy-duty air-cooled motor with thermal overload protection; Lexan polycarbonate pump head.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow to Use It\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMount the pump near your chemical supply and injection point per the manual.\u003c\/li\u003e\n\u003cli\u003eRoute the suction tube to the chemical tank and the discharge to the injection fitting on the return line.\u003c\/li\u003e\n\u003cli\u003eSet the digital timer for the dose and schedule your pool needs.\u003c\/li\u003e\n\u003cli\u003ePrime the pump and confirm it is drawing and injecting correctly.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNote: 120V model. Handle and store pool chemicals safely; professional setup is recommended.\u003c\/p\u003e","brand":"Rola-Chem","offers":[{"title":"Default Title","offer_id":55655718453539,"sku":"543824","price":434.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0914\/0987\/5235\/files\/wpmRola-ChemProSeries300RC307MCChemicalFeedPump_77GPD120V543824_1.jpg?v=1790376275","url":"https:\/\/wholesalepoolmart.com\/products\/rola-chem-pro-series-300-rc307mc-metering-pump-77gpd-543824","provider":"Wholesale Pool Mart","version":"1.0","type":"link"}