{"product_id":"hayward-fdxlter1930-h-series-fd-heater-thermistor","title":"H-Series FD Heater Thermistor","description":"\u003cp\u003eThe FDXLTER1930 thermistor senses incoming water temperature at the manifold adapter inlet of a Hayward Universal H-Series FD heater and reports it to the control board for heating and safety shutoffs.\u003c\/p\u003e\u003cp class=\"ez-section-heading\"\u003eKey Features\u003c\/p\u003e\u003cul class=\"ez-highlight-list\"\u003e\n\u003cli\u003eDual internal thermistor sensors\u003c\/li\u003e\n\u003cli\u003eCross-checks readings for fault detection\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp class=\"ez-section-heading\"\u003eCompatibility\u003c\/p\u003e\u003cul class=\"ez-highlight-list\"\u003e\n\u003cli\u003eH150FDN, H150FDP\u003c\/li\u003e\n\u003cli\u003eH200FDN, H200FDP\u003c\/li\u003e\n\u003cli\u003eH250FDN, H250FDP\u003c\/li\u003e\n\u003cli\u003eH300FDN, H300FDP\u003c\/li\u003e\n\u003cli\u003eH350FDN, H350FDP\u003c\/li\u003e\n\u003cli\u003eH400FDN, H400FDP\u003c\/li\u003e\n\u003cli\u003eH-Series Above Ground 135K BTU Heater\u003c\/li\u003e\n\u003cli\u003eDoes not fit H-Series Low NOx heaters made 2020 or newer, or ED2 series heaters\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp class=\"ez-tip\"\u003eAn inlet temperature swing greater than 6°F in 60 seconds reads as a low-flow fault on the control board, not a thermistor failure, which can look like a bad sensor during diagnosis.\u003c\/p\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":67603169116473,"sku":"FDXLTER1930","price":76.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/2320\/4665\/files\/Hayward_H_Series_FD_Heater_Thermistor_Main.webp?v=1791221026","url":"https:\/\/www.ezpools.com\/products\/hayward-fdxlter1930-h-series-fd-heater-thermistor","provider":"EZ Pools","version":"1.0","type":"link"}