Reznor 197031 Pressure Switch Els PW 17895 As a redundant solenoid valve

As a redundant solenoid valve

Common culprits include debris in the gas line or moisture/condensation backup from a blocked flue or drain trap

It is a protective housing for temperature sensing bulbs in liquid applications

stem packing

rating specified by the manufacturer to ensure proper venting and combustion

Reznor 197031 Pressure Switch Els PW 17895 As a redundant solenoid valveWhen you are dealing with thin air at elevations above 6000 feet, standard combustion air monitoring just does not cut it. The Reznor 197031 Pressure Switch is the specific high altitude solution required to maintain precise safety setpoints on your Reznor unit heater. This OEM draft switch is factory calibrated to 0. 35" W. C.identifiable by its distinct purple labelto ensure the inducer motor is pulling the correct negative pressure for safe