it can manage humidity

While originally specified for R22 and R407C

or 277V AC

Can this be used for both heating and cooling pneumatic cycles

Always verify your specific sensor model before installation

Nordyne 632674 Pressure Switch Els PW 17895 it can manage humidityThe Nordyne 632674 Pressure Switch is a critical safety component designed specifically for condensate management in M7RL 045A and M7RL 072A gas furnaces. As a veteran grade OEM replacement part, it effectively supersedes older part number 632492. This normally open (NO) switch features a factory calibrated setpoint of 0. 30" WC (Water Column), ensuring the system shuts down if a condensate drain blockage or overflow occurs. Built for high efficiency