{"product_id":"ramata-pool-heater-repair-kit-135-f-high-limit-switch-sensor-for-hayward-h-series-oe-fit-corrosion-resistant","title":"RAMATA Pool Heater Repair Kit — 135°F High‑Limit Switch \u0026 Sensor for Hayward H‑Series, OE‑Fit Corrosion‑Resistant","description":"\u003cp\u003e\u003cstrong\u003eRAMATA's Pool Heater Repair Kit includes the FDXLHLI1930 135°F high-limit switch and the HAXHLI1930 sensor, designed to replace original Hayward H-Series high-limit and sensor parts for reliable, plug-and-play restoration of Low NOx H-Series heaters.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your Hayward Universal H-Series Low NOx pool heater (models H150FD\/H150FDN\/H150FDP through H500FD\/H500FDN\/H500FDP) is showing high-limit faults or sensor-related errors, this RAMATA replacement kit provides the two core components needed to restore proper temperature sensing and safety cutoff. The kit is manufactured from upgraded, corrosion-resistant materials and matched to OE fit and performance, making installation straightforward for experienced DIYers and pool service technicians alike.\u003c\/p\u003e\n\n\u003ch3\u003eWill this kit fit my Hayward H-Series pool heater?\u003c\/h3\u003e\n\u003cp\u003eYes — the RAMATA kit is produced specifically to be compatible with Hayward Universal H-Series Low NOx models across the H150 through H500 range, including FD, FDN and FDP variants. Each part is sized and threaded to match the original equipment specification for straightforward replacement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with: H150FD\/H150FDN\/H150FDP through H500FD\/H500FDN\/H500FDP\u003c\/li\u003e\n  \u003cli\u003eReplaces OE part number: FDXLHLI1930 for the high-limit switch\u003c\/li\u003e\n  \u003cli\u003eIncludes HAXHLI1930 temperature sensor matched to original fit\u003c\/li\u003e\n  \u003cli\u003eThreading and connectors designed for direct replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is it to install the high-limit switch and sensor?\u003c\/h3\u003e\n\u003cp\u003eInstallation is generally plug-and-play when you have basic mechanical skills and follow the heater manufacturer's safety guidelines. The kit uses improved materials and smooth threads to reduce installation friction, but caution and power isolation are required before servicing any gas-fired equipment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTurn off power and gas before starting work\u003c\/li\u003e\n  \u003cli\u003eRemove access panels to reach existing high-limit and sensor locations\u003c\/li\u003e\n  \u003cli\u003eUnscrew old parts, check threads and wiring, then fit new components\u003c\/li\u003e\n  \u003cli\u003eReassemble panels and test operation per Hayward instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance and durability benefits does this RAMATA kit offer?\u003c\/h3\u003e\n\u003cp\u003eThe replacement parts are built from upgraded, anti-corrosion materials that maintain stable operation across typical operating temperatures. That yields dependable temperature sensing and consistent high-limit cutoff, helping reduce nuisance shutdowns due to degraded sensors or worn switches.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAnti-oxidant and anti-corrosion materials for longer life\u003c\/li\u003e\n  \u003cli\u003eStable performance at varying pool-heater temperatures\u003c\/li\u003e\n  \u003cli\u003eLow maintenance design and long service expectancy\u003c\/li\u003e\n  \u003cli\u003eManufactured to meet OE standard form, fit, and function\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I check after installing the replacement kit?\u003c\/h3\u003e\n\u003cp\u003eAfter replacing the sensor and high-limit switch, verify there are no leaks, wiring is secure, and the heater powers up and runs through normal ignition sequences. Monitor the heater through a full heat cycle to confirm the new parts are functioning correctly and no fault codes appear.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInspect for gas or water leaks and secure electrical connections\u003c\/li\u003e\n  \u003cli\u003eRestore power and observe ignition and burner operation\u003c\/li\u003e\n  \u003cli\u003eWatch for error codes or unexpected shutdowns during warm-up\u003c\/li\u003e\n  \u003cli\u003eRetighten panels and retest after the first run if needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this kit for: technicians, pool service professionals, and confident DIY pool owners who operate or maintain Hayward Universal H-Series Low NOx heaters and need an OE-compatible high-limit switch and replacement sensor. Choose RAMATA when you want parts that match Hayward dimensions and are produced with improved corrosion resistance and stable temperature performance, helping extend heater uptime and reduce routine maintenance costs.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this kit compatible with my H200FDN heater?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The RAMATA kit fits Hayward H-Series Low NOx models including H200FDN and other H150–H500 FD\/FDN\/FDP variants.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include both sensor and high-limit switch?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It contains the HAXHLI1930 temperature sensor and the FDXLHLI1930 135°F high-limit switch for full replacement.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"RAMATA","offers":[{"title":"Default Title","offer_id":56805130895700,"sku":"B0FDQL8JB6","price":55.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/ramata-front-of-repair-kit-packaging.jpg?v=1786800214","url":"https:\/\/gardenluxe.co.uk\/products\/ramata-pool-heater-repair-kit-135-f-high-limit-switch-sensor-for-hayward-h-series-oe-fit-corrosion-resistant","provider":"Gardenluxe Uk","version":"1.0","type":"link"}