{"product_id":"four-seasons-74925-hvac-heater-control-valve","title":"Four Seasons 74925 HVAC Heater Control Valve","description":"\u003ch2\u003eOverview of Four Seasons Heater Valve 74925\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Heater Valve 74925 is a rotary electronic heater valve designed for precise temperature control in Mercedes-Benz vehicles. Engineered with durable plastic and featuring five connectors, this electric bypass valve ensures reliable operation in your HVAC system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRotary electronic heater valve design for accurate temperature regulation\u003c\/li\u003e\n\u003cli\u003eConstructed from durable plastic material\u003c\/li\u003e\n\u003cli\u003eEquipped with 5 connectors and 2 terminal pins for secure electrical connections\u003c\/li\u003e\n\u003cli\u003eBypass style valve compatible with specific Mercedes-Benz models\u003c\/li\u003e\n\u003cli\u003eMultiple opening sizes for precise fitment (ranging from 0.67 to 0.78 inches)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Heater Valve 74925 belongs to the Heater Valve product line, which focuses on temperature control components within the HVAC system. This electric valve operates by regulating coolant flow through the heater core, allowing for efficient cabin temperature management. The valve’s plastic construction balances durability with resistance to corrosion and heat exposure. Featuring five connectors and two terminal pins, it integrates seamlessly with the vehicle’s electrical system to provide responsive operation.\u003c\/p\u003e\u003cp\u003eWith multiple opening dimensions—such as 0.73 inches (18.54 mm) for openings B and C, 0.78 inches (19.79 mm) for opening D, and 0.67 inches (17.01 mm) for opening E—this valve is designed to fit precisely within the HVAC plumbing of compatible Mercedes-Benz models. The bypass style allows coolant to be diverted as needed, optimizing heater performance and passenger comfort.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis heater valve is compatible with a range of Mercedes-Benz models, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMercedes-Benz E55 AMG\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz E63 AMG\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz E320\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz E350\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz E500\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz E550\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is specifically designed to replace the original heater valve in these vehicles, ensuring proper fit and function.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by Heater Valve 74925\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInconsistent cabin heating due to faulty valve operation\u003c\/li\u003e\n\u003cli\u003eCoolant leaks from worn or damaged heater valves\u003c\/li\u003e\n\u003cli\u003eFailure to regulate coolant flow causing overheating or insufficient heat\u003c\/li\u003e\n\u003cli\u003eElectrical malfunction in the heater control system\u003c\/li\u003e\n\u003cli\u003eReduced HVAC system efficiency impacting passenger comfort\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Four Seasons Heater Valve 74925, ensure the vehicle’s cooling system is depressurized and cooled to avoid injury. Verify connector compatibility and secure all electrical terminals firmly. Proper alignment of the valve openings is critical for optimal coolant flow and heater performance. Consult the vehicle’s service manual for specific installation procedures and torque specifications.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eFour Seasons manufactures the Heater Valve 74925 to meet or exceed OEM standards for fit, form, and function. The plastic construction is engineered for durability under typical operating conditions. While specific warranty details are not provided here, Four Seasons products generally come with a limited warranty covering defects in material and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":52118507028661,"sku":"BBRN-74925","price":69.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_74925_Ang.jpg?v=1775161821","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-74925-hvac-heater-control-valve","provider":"PartCatalog","version":"1.0","type":"link"}