what is bryant furnace 340mav pressure switch?Advertisement
MODEL 340MAV, 350MAV, 355MAV CONDENSING GAS FURNACE ... Bryant Heating & Cooling Systems has determined that ... 31, 32, or 43 Pressure Switch Fault Check to make sure that all PVC pipes leading into the combustion-air intake and vent/ - read more
I have a bryant 340MAV furnace in an upflow configuration that is not heating the home. It blinks a 31 code indicating that the pressure switch did not close. This unit uses a Honeywell HK06NB123 - Heaters Problem by tim_theis - read more
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