Lennox 11J10 Pressure Switch 326058-756 Simple Wiring: Utilizes standard two-conductor

Simple Wiring: Utilizes standard two-conductor shielded thermostat cable for straightforward field installation by technicians

Common Questions & Technical Support Is the 41-602 compatible with 80% and 90%+ AFUE furnaces

The kit typically includes a core sub-assembly

ensuring a secure thread-in fit for variety of thermoelectric gas valves

while the Off-delay timing operates between 1 and 45 seconds

Lennox 11J10 Pressure Switch 326058-756 Simple Wiring: Utilizes standard two-conductorThe Lennox 11J10 Pressure Switch is a critical safety component designed for precise combustion air monitoring in Lennox residential furnaces and light commercial HVAC units. Calibrated to a specific 0. 55" WC (Water Column) set point, this single stage differential switch ensures the draft inducer motor is moving sufficient air to safely exhaust combustion gases before the ignition sequence initiates. A failure in this component typically results in