Lennox 11J12 Pressure Switch 324846-701 For technicians performing a Carlyle

For technicians performing a Carlyle compressor terminal plate replacement

this unit is designed to automate control dampers and large-scale valves with precision

and the 11-circuit connector-to-blower deck transition

55" WC threshold while checking for electrical continuity across the terminals when the set point is achieved

the SMART SYSTEM control module is the "brain" of the hydronic system

Lennox 11J12 Pressure Switch 324846-701 For technicians performing a CarlyleEnsure your combustion air system is operating within manufacturer parameters with the Lennox 11J12 Pressure Switch. This critical safety component is a high altitude specific differential switch designed for Lennox furnace repair and maintenance, featuring a factory set . 85" WC pressure switch actuation point. Engineering for precise draft proving, this part monitors the static pressure within the inducer housing to confirm proper venting before