{"product_id":"haywardpoolheaterpressureswitchchxprs1931hppchxprs1931","title":"Hayward Pool Heater Pressure Switch | CHXPRS1931","description":"\u003cdiv\u003e\n\u003ch1\u003eHayward CHXPRS1931 Pressure Switch\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e CHXPRS1931\u003c\/p\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eA genuine pressure switch designed for select Hayward gas pool heaters. It monitors water flow and pressure: if the heater does not receive adequate flow, the switch will shut down the heater to prevent damage and ensure safe operation.\u003c\/p\u003e\n\u003ch2\u003eCompatibility \u0026amp; Fitment\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with Hayward CZ series heaters (150-400 models) and other gas pool heater models requiring a flow\/pressure switch.\u003c\/li\u003e\n\u003cli\u003eUse when the existing pressure switch is cracked, fails to actuate, or causes the heater to lock out due to improper operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFeatures \u0026amp; Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eChannel open line switch (flow\/pressure type) for heater safety. \u003c\/li\u003e\n\u003cli\u003eCompact design with mounting threads suitable for heater combustion chamber or flow sensor mount.\u003c\/li\u003e\n\u003cli\u003eDesigned to meet OEM safety standards for Hayward heater installations. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eShut off power and fuel supply to the heater. Remove the existing switch, clean the mounting port, ensure proper thread seal and torque the new CHXPRS1931 switch to manufacturer specifications. Restore flow and power, then test the heater through a full cycle verifying correct operation and no fault codes.\u003c\/p\u003e\n\u003ch2\u003eMaintenance Tip\u003c\/h2\u003e\n\u003cp\u003eDuring the heater’s annual service, check operation of the pressure switch, inspect for adhesive corrosion or debris, and verify proper actuation. Replace the switch if you observe frequent lock-outs, failure to reset, or physical damage to ensure safe heater recovery.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":46797830193327,"sku":"CHXPRS1931","price":57.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/hayward-pool-heater-pressure-switch-chxprs1931-heater-parts-6915866.jpg?v=1777067884","url":"https:\/\/freshized.com\/products\/haywardpoolheaterpressureswitchchxprs1931hppchxprs1931","provider":"Freshized","version":"1.0","type":"link"}