{"product_id":"replace-for-hayward-fdxlwps1930-water-pressure-switch-for-hayward-universal-h","title":"Replace for Hayward FDXLWPS1930 Water Pressure Switch for Hayward Universal H","description":"\u003ch2\u003eWater Pressure Switch for Hayward Universal H\u003c\/h2\u003e\u003cp\u003eThis replacement water pressure switch restores accurate pressure sensing on Hayward Universal H pool and spa heaters, matching OEM cross-reference FDXLWPS1930.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe water pressure switch for Hayward Universal H heaters monitors flow through the heat exchanger and signals the control board to fire the burner only when water movement is confirmed. Built as a direct replacement for OEM part FDXLWPS1930, this water pressure switch for Hayward Universal H units keeps safety shutdowns working as designed. It suits pool owners and service technicians replacing a failed or stuck switch.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement for OEM cross-reference FDXLWPS1930\u003c\/li\u003e\n\u003cli\u003eNormally open contact design closes on rising water pressure\u003c\/li\u003e\n\u003cli\u003eThreaded connection for straightforward installation\u003c\/li\u003e\n\u003cli\u003eSealed housing resists moisture in outdoor equipment pads\u003c\/li\u003e\n\u003cli\u003eCompatible with Hayward Universal H series heaters\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRestoring burner operation after a pressure switch fault code\u003c\/li\u003e\n\u003cli\u003eRoutine service on residential pool and spa heater systems\u003c\/li\u003e\n\u003cli\u003eReplacing a switch that fails to close with adequate flow\u003c\/li\u003e\n\u003cli\u003eKeeping low-flow safety protection active on Hayward Universal H heaters\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFDXLWPS1930\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWater pressure switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efor Hayward Universal H heaters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I know the pressure switch has failed? \u003cstrong\u003eA:\u003c\/strong\u003e Common signs include a heater that will not fire, a pressure switch fault code, or a switch that stays open despite confirmed water flow. \u003cstrong\u003eA:\u003c\/strong\u003e Testing continuity across the contacts with a multimeter under flow helps confirm the fault.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can this switch be installed without draining the system? \u003cstrong\u003eA:\u003c\/strong\u003e In most cases the switch threads into the header and can be swapped after isolating the heater and relieving system pressure. \u003cstrong\u003eA:\u003c\/strong\u003e Follow the heater manufacturer's service procedure for your model.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":50550362701910,"sku":"ZZ3L00079","price":58.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_a9a2d8db-e486-4051-b8f7-6e7236e92b92.jpg?v=1790775177","url":"https:\/\/www.solidspare.com\/products\/replace-for-hayward-fdxlwps1930-water-pressure-switch-for-hayward-universal-h","provider":"Solid Spare","version":"1.0","type":"link"}