Reznor Pressure Switches | OEM Combustion Air Proving Switches

Genuine Reznor combustion air pressure switches in 0.33, 0.40, 0.50 and 1.10 in. w.c. settings for gas-fired unit heaters and duct furnaces.

Pressure switch setpoints are model and vent-configuration specific. Match the setting stamped on your existing switch, or email us your unit model and serial number.


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