Lennox 36W49 Pressure Switch 326058-755 providing automatic temperature and pressure

providing automatic temperature and pressure protection for systems with high BTU inputs

it indicates an underlying thermal issue that must be diagnosed and repaired

it delivers a low pressure drop while managing hot water

Contractor-Grade Durability: The fully enclosed housing protects internal components from dust and debris commonly found in mechanical rooms

ensuring the load is always interrupted once the dial reaches zero

Lennox 36W49 Pressure Switch 326058-755 providing automatic temperature and pressureThe Lennox 36W49 Pressure Switch is a critical safety component designed for specific Lennox furnace models to monitor the negative pressure generated by the inducer motor. This SPST furnace pressure switch is factory calibrated to a 0. 55" WC set point, ensuring the combustion process only initiates when proper venting and drafting are established. Constructed with a durable diaphragm and high grade electrical contacts, this direct replacement