Lennox 34M76 Pressure Switch dirty evaporator coil

dirty evaporator coil

The manual reset feature is essential for diagnostic purposes

the bimetal disc triggers a circuit break to prevent heat exchanger fracturing or component damage

Only if you are performing a remote mounting installation

Lennox 34M76 Pressure Switch dirty evaporator coilThe Lennox 34M76 Pressure Switch is a critical safety component designed for high efficiency condensing gas furnaces. Engineered with an actuation set point of . 86" WC (Water Column) and a reset point of 1. 01" WC, this Single Pole Single Throw (SPST) switch ensures the inducer motor establishes a proper vacuum before the ignition sequence begins. Designed for a 1 4" barb connection, it provides a reliable pneumatic seal to prevent the furnace from