Lennox 15M20 Pressure Switch Els PW 17895 Engineered for thermal stability and

Engineered for thermal stability and vibration resistance

verify static pressure and temperature rise against the data plate before assuming the switch is faulty

Durable Construction: Nickel-plated brass finish resists corrosion and maintains professional appearance

As a direct replacement fan blade for legacy part numbers 667383

ensuring the conical valve maintains an optimal flow pattern

Lennox 15M20 Pressure Switch Els PW 17895 Engineered for thermal stability andThe Lennox 15M20 Pressure Switch is a critical safety component designed for precise draft proving in residential and commercial furnaces and rooftop units. This OEM Lennox 15M20 switch is a single pole, single throw (SPST) normally open configuration that closes when it detects a pressure fall of . 10"wc. Built with a 1 4" barb connection for easy hose attachment, this air proving switch ensures the combustion air inducer is pulling sufficient vacuum