{"product_id":"gardner-spring-e49c-extension-spring-8-01-lb-0-437-in-od","title":"Gardner Spring E49C Extension Spring 8.01 Lb 0.437 in Od","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe GARDNER SPRING E49C is a coil extension spring rated for a maximum work load of 8.01 pounds and a spring rate of 1.87 lb\/in. The spring features a 0.437 inch outside diameter, a 0.0475 inch wire diameter, and a free length of 4 inches, extending to a maximum of 7.41 inches under load. This type of spring stores and releases tensile energy when pulled apart, making it a standard mechanical component used across HVAC equipment, damper linkages, door assemblies, and general industrial applications. Installation is typically performed by a technician or maintenance professional familiar with spring-loaded mechanical assemblies.\u003c\/p\u003e\u003cp\u003eThe E49C extension spring is suited for light-duty mechanical applications requiring a compact, precise spring with consistent return force. Its 4 inch free length and 7.41 inch maximum extended length provide a working stroke appropriate for damper actuators, access panels, equipment latches, and similar mechanisms found in residential and commercial HVAC systems and general equipment assemblies. The spring ships in a package quantity of 6 units.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e8.01 lb maximum work load for light-duty tensile applications\u003c\/li\u003e\n\u003cli\u003e1.87 lb\/in spring rate for consistent, predictable return force\u003c\/li\u003e\n\u003cli\u003e0.437 inch outside diameter for compact fitment in tight assemblies\u003c\/li\u003e\n\u003cli\u003e4 inch free length extending to 7.41 inches maximum under load\u003c\/li\u003e\n\u003cli\u003e0.0475 inch wire diameter for fine-pitch coil construction\u003c\/li\u003e\n\u003cli\u003eSold in a package of 6 springs to support service inventory needs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement extension spring for light-duty mechanical assemblies in HVAC equipment, damper linkages, access panels, and similar applications requiring a 0.437 inch OD coil extension spring.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eExtension springs store energy under tension and must be handled with care during removal and installation to prevent sudden release. Wear appropriate eye protection and gloves when working with loaded springs. Power down or de-energize any connected equipment before servicing spring-loaded components. Verify the replacement spring free length, outside diameter, wire diameter, and spring rate match the original specification before installation.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 0.437 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire Diameter\u003c\/strong\u003e: 0.0475 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Length\u003c\/strong\u003e: 4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Extended Length\u003c\/strong\u003e: 7.41 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Work Load\u003c\/strong\u003e: 8.01 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring Rate\u003c\/strong\u003e: 1.87 lb\/in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 6 pieces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.13 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: GARDNER SPRING\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: E49C\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GARDNER SPRING","offers":[{"title":"Default Title","offer_id":52021278769458,"sku":"E49C","price":21.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/928be1fb10c96eaee3b8b35baa4bd9c2.jpg?v=1790012399","url":"https:\/\/voomisupply.com\/products\/gardner-spring-e49c-extension-spring-8-01-lb-0-437-in-od","provider":"Voomi Supply","version":"1.0","type":"link"}