Low Pressure Switch Furnace

Check the tubing from the inducer.

Low pressure switch furnace.

A pressure switch is designed to sense the negative pressure created by the draft inducer motor during the furnace startup and to shut down the furnace ignition if the air pressure is inadequate. The diaphragm in your pressure switch is a common location for problems. In this video i show 3 ways how to check a pressure switch. Continue reading below our video of the day.

Other problems that could cause the pressure switch to not open are a dirty blower wheel on the inducer. A furnace pressure switch is an automatic safety feature located near the motor. Goodman furnace pressure switch 0130f00002p 40 pressure switch goodman b1370158 nordyne 632444 pressure switch. The pressure switch is an indicator of pressure problems in the furnace.

A furnace pressure switch is a safety device located near the draft inducer motor of a gas forced air furnace. 4 7 out of 5 stars 29. Rheem climatek gas furnace vent air pressure switch replacement for part 42 24335 02. Pressure switches oem parts hvacr parts including air pressure switch 0 60iwc pressure switch kit pressure switch pressure switch air pressure.

4 7 out of 5 stars 90. The first method is to measure continuity and resistanc. This protects your home from dangerous backdrafting which is when exhaust fumes are reintroduced into the system. Which is why i made this video that go.

Oem upgraded replacement for goodman furnace vent air pressure switch b13701 26 by goodman. A gas furnace pressure switch closes to allow current to pass through and start the ignition of the furnace. It shuts the furnace down if it senses negative pressure created by the draft inducer motor. How to test pressure switch on a furnace.

It should be clear. Over time your diaphragm can become coated or stiff which reduces its effectiveness. The pressure switch fitting may have a restrictor inside do not remove. Coleman 32435972000 furnace vent air pressure switch genuine original equipment manufacturer oem part.

The switch is there to prevent the furnace from running unless the correct venting air pressure is present. 4 8 out of 5 stars 54. The source of pressure switch problems can sometimes be a pain to track down. Furnace pressure switch troubleshooting.