{"product_id":"temperature-sensor-lead-for-hurlcon-astralpool-heaters","title":"Astralpool Hurlcon Gas Heater \u0026 Halo Temperature Sensor - Thermistor - HX JX MX Viron ICI HiNRG Halo","description":"\u003ch3\u003eAstralpool Hurlcon Gas Heater \u0026amp; Halo Temperature Sensor - Thermistor - HX JX MX Viron ICI HiNRG Halo\u003c\/h3\u003e\u003cp\u003eGenuine \u003cstrong\u003eAstralpool \/ Hurlcon temperature sensor lead\u003c\/strong\u003e, also known as a thermistor lead, for most Astralpool and Hurlcon gas pool and spa heaters with a digital thermostat. Also used in Astralpool Halo temperature sensor kits.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003ePhysically Stocked, unlike most \"drop-shipping\" websites.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003eShipped from VIC, NSW, WA, QLD\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis replacement sensor is commonly used to correct incorrect water temperature readings, sensor-related thermostat faults, and \u003cstrong\u003eF0 \/ FO temperature sensor errors\u003c\/strong\u003e on many post-2001 Hurlcon and Astralpool heaters.\u003c\/p\u003e\n\u003ch3\u003ePart Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart type:\u003c\/strong\u003e Temperature sensor lead \/ thermistor lead\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Astralpool \/ Hurlcon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 70276\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength: \u003c\/strong\u003e~1.5m\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommonly called:\u003c\/strong\u003e Temp sensor, temperature sensor, thermistor, sensor lead\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaces:\u003c\/strong\u003e Older black, red and yellow wired temperature sensor leads on compatible digital thermostat heaters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Astralpool \u0026amp; Hurlcon Heaters\u003c\/h3\u003e\n\u003cp\u003eThis sensor suits many \u003cstrong\u003epost-2001 digital thermostat\u003c\/strong\u003e Astralpool and Hurlcon gas heaters \u0026amp; Halo controllers, including the following model families:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/astralpool-hurlcon-hx-120-spa-gas-heater-also-replaces-dega-onga-bosch-everdure-pyrox\"\u003eHX Series\u003c\/a\u003e:\u003c\/strong\u003e HX 70, HX 120, HX 150\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/hurlcon-astralpool-hx-wx-spare-parts-complete-listing\" target=\"_blank\"\u003eWX \/ Wilton Series\u003c\/a\u003e:\u003c\/strong\u003e WX 70, WX 75, WX 120\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/hurlcon-mx-gas-heater-spare-parts-mx-125-150-200-250-300-350-400-500\" target=\"_blank\"\u003eMX Series\u003c\/a\u003e:\u003c\/strong\u003e MX 125, MX 150, MX 200, MX 250, MX 300, MX 350, MX 400, MX 500\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/hurlcon-astralpool-jx-wall-mount-gas-heater-spare-parts\"\u003eJX Wall-Mount Series\u003c\/a\u003e:\u003c\/strong\u003e JX 130, JX 160\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/hurlcon-astralpool-viron-evo-gas-heaters-mk-ii\"\u003eViron \u0026amp; Viron eVo Series\u003c\/a\u003e:\u003c\/strong\u003e Viron 250, Viron 350, Viron 450\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/hinrg-gas-spa-pool-heaters-astralpool-hurlcon\"\u003eHiNRG Series\u003c\/a\u003e:\u003c\/strong\u003e HiNRG 175, HiNRG 250, HiNRG 400\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/astralpool-ici-gas-heater-pool-spa-heater\"\u003eICI Series\u003c\/a\u003e:\u003c\/strong\u003e ICI 200, ICI 400\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHurlcon Boilers:\u003c\/strong\u003e HB 200, HB 250, HB 300, HB 400, HB 500\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJacuzzi gas heaters:\u003c\/strong\u003e J-HN250C, J-HN400C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHalo Chlorinator \u003c\/strong\u003eControl Systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eViron Heat Exchanger Sensor Note\u003c\/h3\u003e\n\u003cp\u003eOn some Viron heaters, this sensor is also used as the \u003cstrong\u003eheat exchanger temperature sensor\u003c\/strong\u003e. Check your existing sensor location and wiring before ordering.\u003c\/p\u003e\n\u003ch3\u003eF0 \/ FO Error \u0026amp; Fault Diagnosis\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eA failed or wet temperature sensor can cause an \u003cstrong\u003eF0 \/ FO fault\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eIt may also cause incorrect or unstable displayed water temperature readings.\u003c\/li\u003e\n\u003cli\u003eThe heater’s displayed temperature is based on water passing through the heater, so the pump must be operating correctly for the temperature reading to be meaningful.\u003c\/li\u003e\n\u003cli\u003eIf the fault returns after replacing the sensor, check the brass well, wiring, thermostat PCB and overall heater condition.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Brass Well Information\u003c\/h3\u003e\n\u003cp\u003eTemperature sensors often fail because water has leaked into the brass sensor well. If the old sensor is swollen, corroded, difficult to remove, or the well has water inside it, the \u003cstrong\u003ebrass well should also be replaced\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSome newer replacement sensors can be slightly larger than earlier sensor leads. If the sensor does not fit correctly into the old well, replace the brass well rather than forcing the sensor.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/brass-well-for-temp-sensor-hurlcon-astralpool-heaters\" title=\"Hurlcon Astralpool brass well for temperature sensor\"\u003e Brass well for Hurlcon \/ Astralpool temperature sensor \u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRelated Heater Parts\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/hx-wx-gas-heater-seal-kit-hurlcon-astralpool-gas-heaters\"\u003e HX \/ WX gas heater seal and bypass kits \u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/hurlcon-astralpool-gas-pool-heater-service-packs\"\u003e HX, JX, MX, Viron and HiNRG gas heater service kits \u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eConfirm product is correct before ordering. \u003ca href=\"https:\/\/heaterandspaparts.com.au\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e if unsure.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eManufacturer Catalogues, Diagrams \u0026amp; Part Numbers\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e Need exploded views, spare part numbers, product numbers, diagrams or more product information? See the manufacturer catalogues: \u003ca href=\"https:\/\/hasp.com.au\/pages\/Astralpool_Catalogue_2026\"\u003eAstralpool Catalogue 2026\u003c\/a\u003e | \u003ca href=\"https:\/\/hasp.com.au\/pages\/Zodiac_Catalogue_2026\"\u003eZodiac Catalogue 2026\u003c\/a\u003e \u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eInteractive Parts Diagrams\u003c\/h3\u003e\u003c!-- hasp-parts-diagrams --\u003e\u003cp style=\"font-size:16px;\"\u003eFind this part on our interactive heater parts diagrams — each one opens the full exploded view and parts list:\u003c\/p\u003e\u003cul\u003e\u003cli style=\"font-size:16px;\"\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/pages\/astralpool-hurlcon-hx-120-gas-heater-spare-parts-diagram-list\" style=\"color:#009BDB;font-weight:600;\"\u003eAstralpool \/ Hurlcon HX 120 Gas Heater — Diagram \u0026amp; Parts\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e","brand":"Astralpool","offers":[{"title":"Default Title","offer_id":31484950904889,"sku":"70276","price":24.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0372\/5253\/files\/astralpool-hurlcon-gas-heater-halo-temperature-sensor-thermistor-hx-jx-mx-viron-ici-hinrg-215.webp?v=1780377138","url":"https:\/\/heaterandspaparts.com.au\/en-nz\/products\/temperature-sensor-lead-for-hurlcon-astralpool-heaters","provider":"Heater and Spa Parts","version":"1.0","type":"link"}