{"product_id":"lobiutiya-thermal-regulator-kit-77707-0010-120-f-fits-mastertemp-sta-rite-corrosion-resistant","title":"LOBIUTIYA Thermal Regulator Kit 77707-0010 (120°F) – Fits MasterTemp \u0026 Sta‑Rite, Corrosion-Resistant","description":"\u003cb\u003eLOBIUTIYA 77707-0010 Thermal Regulator Kit is a drop-in replacement thermostat assembly designed to restore precise temperature control to MasterTemp and Sta-Rite pool and spa heaters.\u003c\/b\u003e\n\n\u003cp\u003eIf your MasterTemp or Sta-Rite heater is cycling irregularly or failing to hold set temperatures, this replacement thermal regulator kit offers a reliable, corrosion-resistant option rated to open at 120°F. Built to fit multiple heater models, the kit replaces aging or malfunctioning thermostats so your heater can maintain consistent water temperatures between typical operating limits without unnecessary downtime.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this thermal regulator bring stability to heater temperature control?\u003c\/h3\u003e\n\u003cp\u003eThe regulator is calibrated to open at approximately 120°F and works across the normal control range to prevent overheating and excessive cooling. It restores predictable cycling so your heater reaches and holds the setpoint more consistently.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOpens near 120°F for precise start\/stop action\u003c\/li\u003e\n  \u003cli\u003eOperates reliably within common pool heater ranges\u003c\/li\u003e\n  \u003cli\u003eReduces erratic thermostat behavior that causes temperature swings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich heater models is the kit compatible with?\u003c\/h3\u003e\n\u003cp\u003eThis LOBIUTIYA kit is designed to match fit and function for a variety of Pentair-style and Sta-Rite models, making it a versatile replacement option. Confirm your current part numbers or model designation before ordering to ensure compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits MasterTemp models: 125, 200, 250, 300, 333, 400\u003c\/li\u003e\n  \u003cli\u003eAlso compatible with Sta-Rite SR200, SR333, SR400 series heaters\u003c\/li\u003e\n  \u003cli\u003eCross-references common OEM numbers such as 38000-0007S \/ 77707-0010\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and durability features does the regulator offer?\u003c\/h3\u003e\n\u003cp\u003eThe assembly uses corrosion-resistant metals and components to withstand poolside environments where moisture and chemicals are present. That construction helps extend the replacement part’s service life and reduces the likelihood of premature failure.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCorrosion-resistant metals suitable for outdoor use\u003c\/li\u003e\n  \u003cli\u003eEngineered for stable operation across repeated thermal cycles\u003c\/li\u003e\n  \u003cli\u003eQuality finish that resists degradation from humidity and heat\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what support is included?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone familiar with pool heater service: the kit is made to align with existing thermostat mounts and electrical connections. LOBIUTIYA also provides customer support to answer fitment or installation questions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for direct replacement with standard heater mounts\u003c\/li\u003e\n  \u003cli\u003ePlug-and-play wiring compatibility in compatible models\u003c\/li\u003e\n  \u003cli\u003eCustomer support available for part verification and troubleshooting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The LOBIUTIYA 77707-0010 Thermal Regulator Kit is aimed at pool and spa owners, service technicians, and maintenance pros who need a dependable replacement thermostat for MasterTemp and Sta-Rite heaters. If your heater is older, showing inconsistent temperature control, or you prefer proactively replacing a worn thermostat, this kit gives a durable, compatible option to restore steady operation.\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: Will this fit my MasterTemp 400 heater?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the kit is compatible with MasterTemp 400 when matching the OEM part numbers 77707-0010 or 38000-0007S.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What temperature does the regulator open at?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The thermal regulator is rated to open at approximately 120°F for consistent heater cycling.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"LOBIUTIYA","offers":[{"title":"Default Title","offer_id":56833191543124,"sku":"B0BWK971YL","price":47.43,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/lobiutiya-77707-0010-front-assembly.jpg?v=1787038678","url":"https:\/\/gardenluxe.co.uk\/products\/lobiutiya-thermal-regulator-kit-77707-0010-120-f-fits-mastertemp-sta-rite-corrosion-resistant","provider":"Gardenluxe Uk","version":"1.0","type":"link"}