638-065

This Lennox Vent Damper Motor Spring is a critical replacement component designed for use in motorized vent damper assemblies within gas furnaces and heating systems. Engineered for durability in high-heat environments, this metal spring provides the necessary tension to ensure the damper blade returns to its correct position when the motor is disengaged. Properly functioning vent dampers are essential for maintaining heating efficiency and preventing conditioned air from escaping through the flue when the appliance is not in use. This heavy-duty spring helps restore smooth operation to your HVAC venting system, preventing common malfunctions associated with sticking or failing damper blades. Ideal for HVAC maintenance and furnace repair, this spring ensures reliable performance and safety for residential and commercial heating equipment.
Type: HVAC Venting Component
Size: Small
Application: Used in motorized vent damper assemblies for gas furnaces and HVAC heating systems to manage flue exhaust and improve energy efficiency.
Specifications: Constructed from high-tensile, heat-resistant metal; designed for mechanical return-stroke tension in motorized damper assemblies.