{"product_id":"haywardhseriesfdheaterthermistorfdxlter1931hppfdxlter1931","title":"Hayward H Series Heater Thermistor Replacement FDXLTER1931","description":"\u003cdiv\u003e\n\u003ch1\u003eHayward H Series Heater Thermistor Replacement FDXLTER1931\u003c\/h1\u003e\n\u003cp\u003eRestore accurate temperature control with the Hayward H Series Heater Thermistor Replacement FDXLTER1931. This new plastic thermistor replacement is designed to fit Hayward H-Series pool heaters, ensuring reliable temperature readings and smooth operation after a sensor fault or wear. Built to withstand outdoor pool environments, it helps your heater respond correctly to water temperature, reducing energy waste and maintaining comfort.\u003c\/p\u003e \u003ch2\u003eList of Features\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise temperature sensing:\u003c\/strong\u003e Maintains accurate water temperature readings for reliable heater cycles.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-grade replacement:\u003c\/strong\u003e Designed specifically for Hayward H-Series to protect warranty and fit exactly.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable plastic housing:\u003c\/strong\u003e Resists outdoor moisture, sun exposure, and corrosion for long life.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEasy, direct-fit installation:\u003c\/strong\u003e Quick swap with existing harness and connector without modifications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBroad compatibility with H-Series models:\u003c\/strong\u003e Covers the most common configurations to minimize compatibility concerns.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProtected sensor design:\u003c\/strong\u003e Sealed construction reduces calibration drift and improves longevity.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFinal Thoughts\u003c\/h2\u003e\n\u003cp\u003eReplacing the thermistor with FDXLTER1931 restores stable temperature control, prevents inefficient cycling, and supports longer heater life. By using a genuine Hayward component, you maintain system reliability and energy efficiency for your pool. Ready to upgrade? Add the FDXLTER1931 to your cart and complete your Hayward H-Series service with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":51681776599357,"sku":"HPPFDXLTER1931","price":70.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/3611\/6541\/files\/noimage-found_9aaf2bec-4158-47b2-8c76-c0263cef4b65.png?v=1778223794","url":"https:\/\/www.duckiespoolsupply.com\/products\/haywardhseriesfdheaterthermistorfdxlter1931hppfdxlter1931","provider":"Duckies Pool Supply","version":"1.0","type":"link"}