This furnace air pressure switch features a durable diaphragm and high-grade contacts to withstand the thermal cycling common in residential and light commercial applications

The MCS-S-P is designed to interface with standard pneumatic manifolds and sensor systems typically found in legacy Barber Colman HVAC installations

It effectively supersedes the older Texas Instruments and ICM models used in previous heater generations

the mounting gasket

Precision Balance: Dynamically balanced to eliminate harmonic resonance and minimize bearing wear on the blower motor

White Rodgers 36J55-614 Valve Els PW 17895 This furnace air pressure switchThe White Rodgers 36J55 614 is a two stage gas valve designed for high efficiency furnace applications requiring precise fuel regulation. This dual stage redundant valve operates on a 24V gas valve circuit and features a slow open characteristic to ensure smooth ignition and quiet burner transitions. With a 1 2" NPT inlet and a 1 2" NPT bottom outlet configuration, it is a direct replacement for many OEM HVAC gas control valves found in residential