{"product_id":"pentair-474989-thermal-regulator-replacement-mt125","title":"Pentair 474989 Thermal Regulator Replacement MT125","description":"\u003cp\u003e\u003cstrong\u003eWhat This Part Is Used For\u003c\/strong\u003e\u003cbr\u003ePentair 474989 Thermal Regulator Replacement MT125 is a replacement thermal regulator for compatible Pentair MasterTemp 125 heater models. It helps manage water temperature flow through the heater assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy This Part Matters\u003c\/strong\u003e\u003cbr\u003eA faulty thermal regulator can lead to improper heating or error conditions. Replacing it restores correct water flow regulation inside the heater. Proper thermal control helps protect internal components from overheating.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features and Specifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer part number 474989\u003c\/li\u003e\n\u003cli\u003eThermal regulator replacement\u003c\/li\u003e\n\u003cli\u003eCompatible with MT125 heater models\u003c\/li\u003e\n\u003cli\u003eSupports proper internal flow regulation\u003c\/li\u003e\n\u003cli\u003eHeater service component\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eInstallation and Fitment Guidance\u003c\/strong\u003e\u003cbr\u003eShut off gas and electrical power before servicing. Confirm by manufacturer part number before ordering. Inspect internal components during replacement for buildup or debris.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout the Pentair Brand\u003c\/strong\u003e\u003cbr\u003ePentair MasterTemp heaters are widely used in residential pools. Their internal components are designed for serviceability and long-term operation. Genuine Pentair replacement parts help maintain safe heating performance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon Service Context\u003c\/strong\u003e\u003cbr\u003eCommon when diagnosing heater ignition failures, temperature instability, or internal flow issues.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52078642725138,"sku":"474989","price":57.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/PEN474989_0.jpg?v=1772564041","url":"https:\/\/www.aquaterrabackyard.com\/products\/pentair-474989-thermal-regulator-replacement-mt125","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}