Lennox 11J14 Pressure Switch THPU32HP7Y Zero Minimum Pressure: Operates reliably

Zero Minimum Pressure: Operates reliably from 0 PSI up to its maximum rated differential

Key Benefits for Technicians: High Flow Efficiency: The 109 Cv rating ensures minimal pressure drop across the 2-inch NPT ports in high-demand heating circuits

optimizing system sequence of operations

Div 1 & 2) ensures safety in hazardous locations where flammable vapors or dust may be present

Lennox 11J14 Pressure Switch THPU32HP7Y Zero Minimum Pressure: Operates reliablyThe Lennox 11J14 Pressure Switch is a mission critical genuine OEM replacement part designed for high performance Lennox, Armstrong, and Ducane gas furnaces. This SPST (Single Pole Single Throw) air pressure switch is factory calibrated to a 0. 75" WC (Water Column) trip point, ensuring the inducer motor establishes a consistent draft and adequate venting before allowing the ignition sequence to proceed. As a direct replacement for the 103614 14