{"product_id":"haywardhseriesheaterthermostatwknobhaxtst1930hpphaxtst1930","title":"Hayward H-Series Heater Thermostat w\/ Knob | HAXTST1930","description":"\u003cdiv\u003e\n\u003ch2\u003eHayward HAXTST1930 – Thermostat Kit with Control Knob\u003c\/h2\u003e\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Hayward HAXTST1930 is an OEM replacement thermostat kit designed for Hayward H-Series pool heaters. It restores accurate temperature adjustment and dependable heater control when the original thermostat or knob becomes worn, damaged, or unresponsive.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOEM thermostat assembly designed specifically for Hayward H-Series heaters.\u003c\/li\u003e\n\u003cli\u003eIncludes thermostat unit, mounting hardware, and replacement temperature control knob.\u003c\/li\u003e\n\u003cli\u003eRestores proper temperature regulation for safe and efficient heater operation.\u003c\/li\u003e\n\u003cli\u003eDurable construction suited for long-term exposure inside heater cabinets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HAXTST1930\u003c\/li\u003e\n\u003cli\u003eApplication: Temperature control thermostat for H-Series pool and spa heaters\u003c\/li\u003e\n\u003cli\u003eComponents Included: Thermostat assembly, control knob, and mounting bracket\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp\u003eThis thermostat kit fits select Hayward H-Series heaters, including various induced-draft and electronic\/millivolt models. It is used when the temperature knob fails, the thermostat no longer responds accurately, or when corrosion or mechanical wear affects proper heater control. Always check your heater’s model plate to ensure correct fit before purchasing.\u003c\/p\u003e\n\u003ch3\u003eInstallation Instructions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShut off power and gas supply to the heater before beginning service.\u003c\/li\u003e\n\u003cli\u003eRemove the front or side access panel to locate the existing thermostat assembly.\u003c\/li\u003e\n\u003cli\u003eDisconnect wiring from the old thermostat and remove mounting hardware.\u003c\/li\u003e\n\u003cli\u003eInstall the new HAXTST1930 thermostat, attach the control knob, and reconnect wiring as labeled.\u003c\/li\u003e\n\u003cli\u003eReinstall the access panel, restore power and gas, and test heater operation by adjusting the temperature knob.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTroubleshooting\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeater does not respond to temperature changes:\u003c\/strong\u003e Ensure thermostat wiring is securely connected and that the knob is properly attached.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature fluctuates or cycles:\u003c\/strong\u003e Confirm proper sensor placement and verify adequate water flow through the heater.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo heat output:\u003c\/strong\u003e Check safety switches, thermostat installation, and verify that gas and power are restored.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMaintenance Tip\u003c\/h3\u003e\n\u003cp\u003eInspect the thermostat and control knob annually for wear, corrosion, or loose connections. Keeping these components in good condition ensures precise temperature control and extends the life of your pool heater.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":46797816299695,"sku":"HAXTST1930","price":74.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/freshized.com\/products\/haywardhseriesheaterthermostatwknobhaxtst1930hpphaxtst1930","provider":"Freshized","version":"1.0","type":"link"}