Reznor 177633 Pressure Switch Els PW 17895 Any attempt to modify the

Any attempt to modify the 30 PSI relief setting will void the ASME certification and compromise system safety

using an off-spec blade can lead to motor strain or compressor overheating

Can this contactor replace a standard 1-pole unit without a shunt

Whether performing a field retrofit or a new installation

the Teflon sheathing must be carefully stripped back to ensure the tip is exposed for proper conductivity sensing

Reznor 177633 Pressure Switch Els PW 17895 Any attempt to modify theThe Reznor 177633 Pressure Switch is a critical OEM replacement part designed for precision monitoring within commercial gas heating systems. Engineered for unit heaters and duct furnaces, this combustion air pressure switch kit is factory calibrated to a 0. 50" W. C. setpoint (water column). The Reznor 177633 ensures safe ignition sequences and reliable venting verification by detecting proper differential pressure before allowing the gas valve to