{"product_id":"four-seasons-74938-hvac-heater-control-valve","title":"Four Seasons 74938 HVAC Heater Control Valve","description":"\u003ch2\u003eOverview of Four Seasons Heater Valve 74938\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Heater Valve 74938 is an electric valve designed to regulate the flow of coolant in your vehicle's heating system. Specifically engineered for Audi RS3 and TT RS Quattro models, this single solenoid electronic heater valve ensures precise temperature control and reliable operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSingle solenoid electronic heater valve for accurate temperature regulation\u003c\/li\u003e\n\u003cli\u003eConstructed from durable plastic material\u003c\/li\u003e\n\u003cli\u003eFeatures 2 connectors for secure electrical connections\u003c\/li\u003e\n\u003cli\u003eNon-bypass style design for efficient heating system performance\u003c\/li\u003e\n\u003cli\u003eOpening size of 0.78 inches for optimal coolant flow\u003c\/li\u003e\n\u003cli\u003eElectric operation type for responsive control\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Heater Valve 74938 belongs to the Heater Valve product line, which focuses on providing reliable HVAC heater control valves for various vehicle applications. This particular valve is a non-bypass style electric valve made from plastic, designed to control the flow of coolant through the heater core. With two connectors and a 0.78-inch opening, it offers precise control over the heating system in Audi RS3 and TT RS Quattro vehicles. The electric operation type allows for quick response to temperature adjustments, contributing to consistent cabin comfort.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRegulates coolant flow to maintain desired cabin temperature\u003c\/li\u003e\n\u003cli\u003ePrevents heater core overheating or insufficient heating\u003c\/li\u003e\n\u003cli\u003eResolves issues related to heater valve failure such as no heat or fluctuating temperature\u003c\/li\u003e\n\u003cli\u003eImproves HVAC system responsiveness in Audi RS3 and TT RS Quattro models\u003c\/li\u003e\n\u003cli\u003eEliminates coolant leaks associated with faulty heater valves\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Four Seasons Heater Valve 74938, ensure the vehicle is cooled down to avoid burns from hot coolant. Verify compatibility with Audi RS3 and TT RS Quattro models before installation. Properly connect the two electrical connectors to maintain valve functionality. Inspect surrounding hoses and connections for wear or damage during replacement to prevent future leaks or failures.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eFour Seasons manufactures the Heater Valve 74938 to meet OEM specifications, ensuring reliable performance and durability. The plastic construction is designed to withstand typical operating conditions within the HVAC system. While specific warranty details are not provided here, Four Seasons products generally come with a limited warranty covering defects in materials and workmanship.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":52253077602485,"sku":"BBRN-74938","price":140.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_74938_Fro.jpg?v=1775699664","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-74938-hvac-heater-control-valve","provider":"PartCatalog","version":"1.0","type":"link"}