Lennox 97H76 Damper Door Spring This heavy-duty brass flare fitting

This heavy-duty brass flare fitting conforms to SAE J513 and AHRI standards

tubing attachment

and 70AF series

and PGB series furnaces

Lennox 97H76 Damper Door Spring This heavy-duty brass flare fittingThe Lennox 97H76 Damper Door Spring is a critical mechanical component designed to provide precise tension and return force for damper assembly operations within commercial and residential HVAC systems. Functioning as the primary HVAC damper actuator spring, this part ensures that air mixing dampers and economizer doors return to their default positions upon system cycling or power loss. Engineered for durability in high cycle environments, the 97H76