Lennox 49L92 Pressure Switch Els PW 17895 Smith 100165923 Flame Sensor is

Smith 100165923 Flame Sensor is a critical HVAC replacement part engineered to withstand the intense thermal environment of high-efficiency condensing boilers and commercial water heaters

Common Questions: Can this switch be used in both NC and NO configurations

000 BTU capacity ensures safety for high-output commercial boilers

000 Ohm NTC thermistor (Carel) for accurate temperature sensing

Its compact probe design allows for seamless integration into the airstream

Lennox 49L92 Pressure Switch Els PW 17895 Smith 100165923 Flame Sensor isThe Lennox 49L92 Pressure Switch is a high precision OEM HVAC replacement part engineered for critical safety monitoring in Lennox gas furnaces and air handlers. This 0. 58" WC SPST pressure switch is a normally open (N. O.) control that verifies the inducer motor is generating the correct negative pressure to vent combustion gases safely. As the direct equivalent to part numbers 49L9201 and LB 109531B, this component ensures your system meets factory