They are used interchangeably across various Lennox equipment models

allowing technicians to field-wire the unit to match the existing power supply

This 24V natural gas valve is factory-set to a 3

Designed as a high-performance flange gasket

Lennox 11J10 Pressure Switch R-134A They are used interchangeably acrossThe 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