Lennox 63W40 Pressure Switch Els PW 29614 it requires a minimum pressure

it requires a minimum pressure differential of 5 PSI to open and typically remains open down to 3 PSI

and other TK Series transmitters

The Eaton C25DND330T is a heavy-duty 3-pole definite purpose contactor engineered for reliable switching in demanding HVACR applications

Why is the 150 PSI rating important

Durable Construction: Built with industrial-grade materials to withstand the thermal cycling typical in commercial HVACR environments

Lennox 63W40 Pressure Switch Els PW 29614 it requires a minimum pressureThe Lennox 63W40 Pressure Switch is a critical OEM replacement component for two stage furnaces and heat pumps, including the G60DF and G60UH series. Designed to ensure safe combustion cycles, this dual pressure switch features factory calibrated set points of 0. 20" WC for low stage operation and 0. 40" WC for high stage performance. As a veteran grade HVAC pressure switch, it monitors the negative pressure generated by the inducer motor, providing