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This inducer assembly fits several popular Lennox units
The yellow spring is specifically calibrated for an outlet pressure range of 15 to 30 inches water column
As a safety-critical boiler pressure control
while primarily designed for mechanical straightening
Lochinvar & A.O. Smith 100108690 Pressure Switch 340793-762 This inducer assembly fits severalThe Lochinvar & A. O. Smith 100108690 Pressure Switch is a critical safety and operational component designed for high efficiency combustion systems. This negative pressure switch is factory calibrated to a precise set point of . 15"wc (water column), ensuring the inducer fan is generating the specific vacuum required for a safe ignition sequence and continuous burner operation. Featuring a Single Pole Double Throw (SPDT) configuration, it provides