{"product_id":"gardner-spring-v37c-extension-spring-33-94-lb-0-73in-od","title":"Gardner Spring V37C Extension Spring 33.94 Lb 0.73in Od","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe GARDNER SPRING V37C is a galvanized steel extension spring designed for industrial and mechanical applications requiring controlled tensile force. With an outside diameter of 0.73 inches and a wire diameter of 0.0915 inches, this spring delivers a spring rate of 4.49 pounds per inch and supports a maximum work load of 33.94 pounds. The free length is 8 inches, and the maximum extended length is 12.39 inches. Initial tension measures 9.8 pounds. Licensed technicians and maintenance professionals working on mechanical assemblies, door hardware, HVAC linkages, and similar tension-driven systems will find this spring a direct-fit replacement for like-spec components. The zinc-plated galvanized finish provides corrosion resistance in moderate-exposure environments.\u003c\/p\u003e\n\u003cp\u003eThis extension spring suits residential and light commercial applications where consistent tensile return force is required. Typical installations include door and panel return mechanisms, equipment access covers, linkage assemblies, and spring-loaded actuator hardware. The package includes 3 pieces, making it practical for service calls requiring spare units or for installations with multiple attachment points. The V37C is appropriate for mechanical contractors, HVAC installers, and general maintenance professionals working with spring-loaded mechanical systems.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSpring rate of 4.49 lb\/in for predictable, linear tensile force\u003c\/li\u003e\n  \u003cli\u003eMaximum work load of 33.94 pounds for moderate-duty tension applications\u003c\/li\u003e\n  \u003cli\u003eFree length of 8 inches with maximum extended length of 12.39 inches\u003c\/li\u003e\n  \u003cli\u003e0.73 inch outside diameter with 0.0915 inch wire diameter\u003c\/li\u003e\n  \u003cli\u003eGalvanized zinc-plated steel finish for corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eSold in a 3-piece package to support multi-point or backup installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a direct-replacement extension spring for mechanical assemblies requiring a 0.73 inch OD, 8 inch free length, 4.49 lb\/in spring rate, and up to 33.94 pounds maximum load capacity.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified mechanic or trade professional familiar with spring-loaded tensile systems. De-energize or relieve all mechanical load from the assembly before removing or installing the spring to prevent snap-back injury. Verify hook orientation, attachment-point clearance, and extended-length travel against the mounting application before installing. Do not stretch the spring beyond its rated maximum extended length of 12.39 inches.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Work Load\u003c\/strong\u003e: 33.94 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpring Rate\u003c\/strong\u003e: 4.49 lb\/in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInitial Tension\u003c\/strong\u003e: 9.8 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 0.73 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWire Diameter\u003c\/strong\u003e: 0.0915 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFree Length\u003c\/strong\u003e: 8 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Extended Length\u003c\/strong\u003e: 12.39 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\/Coating\u003c\/strong\u003e: Galvanized, Zinc-Plated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 3 pieces\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Weight\u003c\/strong\u003e: 0.86 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\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: V37C\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GARDNER SPRING","offers":[{"title":"Default Title","offer_id":51972312432946,"sku":"V37C","price":27.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/b5e469102c24438241a93513789903aa.jpg?v=1789966129","url":"https:\/\/voomisupply.com\/products\/gardner-spring-v37c-extension-spring-33-94-lb-0-73in-od","provider":"Voomi Supply","version":"1.0","type":"link"}