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The 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
ensuring the correct paddle length is vital to prevent mechanical interference with the pipe wall while maintaining the sensitivity required to trip the SPDT switch mechanism
maintaining original equipment specifications for tension and length
Standard HVACR field practice dictates that this Sylphon base gasket should be installed on clean
What symptom indicates a failed damper door spring
Lochinvar & A.O. Smith 100277765 Thermal Switch The Lennox 97H76 Damper DoorThe Lochinvar & A. O. Smith 100277765 Thermal Switch is a critical safety component designed for high limit temperature protection in residential and commercial water heaters. This resettable thermal switch functions as a fail safe, automatically interrupting the burner circuit or gas valve power when it detects temperatures exceeding safe operating parameters. Engineered to replace obsolete part numbers RLY1002 and 100167473, this OEM component
US$ 168.73
US$ 78.77
US$ 131.26
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