ensuring a secure and rapid installation process

inspect the pressure switch hoses for cracks

Why is the valve failing to close

specifically within the 48HCD and 50HC product lines

depending on your site needs

Lennox 11U65 Pressure Switch 320734-701 ensuring a secure and rapidThe Lennox 11U65 Pressure Switch is a critical safety component engineered for precision monitoring of combustion air in high efficiency furnace systems. This OEM Lennox replacement part, also identified by manufacturer number 104371 02, is a high sensitivity 60" wc pressure switch designed to actuate at exactly 0. 60 inches water column. Operating as a normally open SPST switch (Single Pole Single Throw), it ensures that the inducer motor is creating