Always verify your specific sensor model before installation

The Honeywell 316134B kit typically includes the main diaphragm assembly

the BT1256502 fan relay is a frequent failure point due to pitted contacts or a failed coil

RST45C1E-CAV-901 is the cross for RK5EJ1DC280J70

Can this be used for both heating and cooling pneumatic cycles

Nordyne 632674 Pressure Switch Els PW 17895 Always verify your specific sensorThe 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