Lennox 26W45 Pressure Switch 340793-762 Technicians should inspect for rusted

Technicians should inspect for rusted burner ports

Class F Insulation: Rated for high-temperature environments to prevent premature thermal breakdown during continuous duty

By modulating discharge based on condensate levels

Best practice dictates inspecting existing gaskets and seals for degradation during the replacement of the vent scroll

low-voltage power required for thermostats

Lennox 26W45 Pressure Switch 340793-762 Technicians should inspect for rustedThe Lennox 26W45 Pressure Switch is a critical safety component designed for two stage gas furnaces, specifically engineered to monitor combustion air pressure within the inducer assembly. This dual stage pressure switch features precise set points of 0. 90" WC and 1. 50" WC, ensuring the system only proceeds with the ignition sequence when sufficient airflow is present for safe combustion. Built for high reliability in Lennox and Armstrong Air