{"product_id":"four-seasons-84788-hvac-heater-control-valve","title":"Four Seasons 84788 HVAC Heater Control Valve","description":"\u003ch2\u003eOverview of Four Seasons Shut-off Valve 84788\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Shut-off Valve 84788 is a manual HVAC heater control valve designed for precise temperature regulation in automotive heating systems. Constructed from durable steel, this valve ensures reliable operation and long service life in various vehicle applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaterial: Steel construction for durability\u003c\/li\u003e\n\u003cli\u003eType: Manual shut-off valve\u003c\/li\u003e\n\u003cli\u003eCenter width: 2.125 inches (53.975 mm)\u003c\/li\u003e\n\u003cli\u003eFitting sizes: 5\/8 inch inlet, 3\/8 inch outlet\u003c\/li\u003e\n\u003cli\u003eThread size: 3\/8 inch NPT\u003c\/li\u003e\n\u003cli\u003eOverall depth: 2.5 inches (63.5 mm)\u003c\/li\u003e\n\u003cli\u003eHeavy-duty 90° handle for manual operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Shut-off Valve 84788 is engineered to control coolant flow within the HVAC system, allowing manual shut-off to regulate heater performance. Its steel body provides strength and resistance to corrosion, suitable for use in automotive heating circuits. The valve features a 5\/8 inch hose inlet and a 3\/8 inch NPT threaded outlet, with an overall depth of 2.5 inches, making it compatible with a range of vehicle heater hoses and fittings. The 90° heavy-duty handle offers straightforward manual operation, enabling drivers or technicians to easily adjust or stop coolant flow as needed.\u003c\/p\u003e\u003cp\u003eThis valve is part of the Four Seasons Shut-off Valve product line, which focuses on providing reliable manual control valves for automotive HVAC systems. The line emphasizes durable materials and precise fitment to ensure effective temperature control and system maintenance.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRegulating heater core coolant flow in vehicles\u003c\/li\u003e\n\u003cli\u003eIsolating heater circuits for maintenance or repair\u003c\/li\u003e\n\u003cli\u003ePreventing coolant leaks by securely shutting off flow\u003c\/li\u003e\n\u003cli\u003eControlling temperature output in HVAC systems\u003c\/li\u003e\n\u003cli\u003eReplacing worn or faulty heater control valves in compatible vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure compatibility with vehicle heater hose sizes: 5\/8 inch inlet and 3\/8 inch outlet\u003c\/li\u003e\n\u003cli\u003eUse appropriate thread sealant on the 3\/8 inch NPT outlet to prevent leaks\u003c\/li\u003e\n\u003cli\u003eVerify manual operation handle clearance for ease of use\u003c\/li\u003e\n\u003cli\u003eInspect surrounding hoses and fittings for wear during installation\u003c\/li\u003e\n\u003cli\u003eFollow vehicle-specific service manual instructions for HVAC system maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eFour Seasons manufactures the Shut-off Valve 84788 to meet industry standards for automotive HVAC components. The steel construction and precise machining contribute to dependable performance. While specific warranty details are not provided, Four Seasons products typically adhere to quality control processes to ensure durability and fitment accuracy.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":52019500581045,"sku":"BBRN-84788","price":28.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_84788_Fro.jpg?v=1775070633","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-84788-hvac-heater-control-valve","provider":"PartCatalog","version":"1.0","type":"link"}