Lennox 67K32 Pressure Switch Els PW 17895 the SA66-35 is the upper

the SA66-35 is the upper tube assembly only

PTC Heater Reliability: Features a 24V Positive Temperature Coefficient heater for stable switching across varied ambient temperatures

Will this work for a vertical mounted thermostat

featuring a 14

ensuring consistent flow rates

Lennox 67K32 Pressure Switch Els PW 17895 the SA66-35 is the upperAs a seasoned technician, you know that a failing Lennox 67K32 furnace pressure switch is often the culprit when a unit refuses to ignite or locks out after the inducer motor engages. This genuine OEM Lennox 67K32 replacement is a critical safety component designed to verify proper drafting and combustion air pressure before allowing the ignition sequence to proceed. Engineered for precision, this 0. 34" WC pressure switch features a single pole