Lennox 11J12 Pressure Switch 328140-751 ensuring long-term HVAC system performance

ensuring long-term HVAC system performance

Precision Alignment: Facilitates exact motor positioning to ensure the drive belt maintains a 1/4 inch deflection at mid-span under 5 lbs of force

For technicians running high-demand boiler rooms

High-Pressure Tolerance: Rated for up to 25 PSI

Rugged Construction: Designed with specialized materials to resist scale buildup and chemical degradation in harsh circulation loops

Lennox 11J12 Pressure Switch 328140-751 ensuring long-term HVAC system performanceEnsure 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