Gardner Spring 37072GS Extension Spring 0.5 in Od

Product Description

The GARDNER SPRING 37072GS is a stainless steel extension spring designed for light-duty tensioning and load-return applications across HVAC, mechanical, and industrial assemblies. It measures 0.5 inches in outside diameter with a free length of 1.375 inches and a maximum extended length of 1.91 inches. The spring rate is 27.3 pounds per inch, with a maximum work load of 16.52 pounds and an initial tension of 2.0 pounds. The plain finish stainless steel construction offers corrosion resistance suitable for both indoor and outdoor service environments. This spring ships in a package quantity of three units.

This extension spring is suited for residential and light commercial HVAC equipment, refrigeration components, damper assemblies, and general mechanical linkage applications where a compact, corrosion-resistant return spring is required. The 0.063-inch wire diameter and 0.5-inch OD make it a common fit for small-frame brackets, control linkages, and access panel latches. HVAC technicians, mechanical contractors, and maintenance professionals typically source this spring as a replacement or consumable service part.

Key Features

• Stainless steel construction provides corrosion resistance for demanding service environments
• Spring rate of 27.3 pounds per inch delivers consistent, predictable tensioning force
• Maximum work load of 16.52 pounds supports light-duty mechanical linkage applications
• Compact 0.5-inch OD and 1.375-inch free length fits tight mounting spaces
• Plain finish compatible with most standard hook-end mounting hardware
• Sold in a package of three pieces for service and replacement stocking

Compatibility

Designed as an OEM-style replacement extension spring for light-duty mechanical assemblies requiring a 0.5-inch OD, 0.063-inch wire diameter spring with a 27.3 pound-per-inch spring rate.

Installation Notes

Installation is typically performed by HVAC technicians or mechanical service professionals. Always de-energize or shut down the equipment and relieve any existing spring tension before removing or installing extension springs. Use appropriate pliers or spring hooks rated for the load to avoid snap-back injury. Verify hook orientation and engagement depth before returning the assembly to service.