Lennox 97H76 Damper Door Spring Rugged Construction: Built with high-conductivity

Rugged Construction: Built with high-conductivity materials to withstand the high-voltage demands of HVAC spark ignition

Common Questions: What boilers use the 560-528-989 orifice

leak-free joint

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

01" aperture

Lennox 97H76 Damper Door Spring Rugged Construction: Built with high-conductivityThe 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