Lennox 65W49 Pressure Switch or signaling inputs to a

or signaling inputs to a BAS

" It is best practice to handle the ignitor by the ceramic base to ensure maximum service life

Fabricated from durable galvanized steel

Technicians should look for cracks in the plastic housing

Lennox 65W49 Pressure Switch or signaling inputs to aThe Lennox 65W49 Pressure Switch is a critical safety component calibrated to . 60" WC (water column) for precise inducer motor monitoring and combustion air verification. As a genuine Lennox OEM replacement part, this SPST (Single Pole Single Throw) switch ensures seamless integration with furnace control boards, preventing ignition if proper venting pressure isn't maintained. Featuring a standard 1 4" barb connection, it offers a secure fit for