Lennox 26W45 Pressure Switch 340793-762 always verify your specific model

always verify your specific model number on the Rheem LP Conversion Index

By modulating discharge based on condensate levels

Technicians should inspect for rusted burner ports

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

Lennox 26W45 Pressure Switch 340793-762 always verify your specific modelThe 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