Low Pressure Switch Furnace

A furnace pressure switch is an automatic safety feature located near the motor.

Low pressure switch furnace. Goodman furnace pressure switch 0130f00002p 40 pressure switch goodman b1370158 nordyne 632444 pressure switch. In this video i show 3 ways how to check a pressure switch. The diaphragm in your pressure switch is a common location for problems. Over time your diaphragm can become coated or stiff which reduces its effectiveness.

Pressure switches can malfunction due to age which can prevent accurate readings and result in faulty furnace cycling. A gas furnace pressure switch closes to allow current to pass through and start the ignition of the furnace. Rheem climatek gas furnace vent air pressure switch replacement for part 42 24335 02. The switch is there to prevent the furnace from running unless the correct venting air pressure is present.

Furnace pressure switch troubleshooting. 4 7 out of 5 stars 29. Continue reading below our video of the day. It should be clear.

Oem upgraded replacement for goodman furnace vent air pressure switch b13701 26 by goodman. This protects your home from dangerous backdrafting which is when exhaust fumes are reintroduced into the system. The first method is to measure continuity and resistanc. 4 7 out of 5 stars 90.

Which is why i made this video that go. It shuts the furnace down if it senses negative pressure created by the draft inducer motor. Other problems that could cause the pressure switch to not open are a dirty blower wheel on the inducer. If the pressure switch is stuck it does not send enough power to the inducer and therefore the ignition sequence does not begin.

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. Coleman 32435972000 furnace vent air pressure switch genuine original equipment manufacturer oem part. A furnace pressure switch is a safety device located near the draft inducer motor of a gas forced air furnace. Check the tubing from the inducer.

Also the fittings that the tubing fit into should be clear. The pressure switch fitting may have a restrictor inside do not remove. How to test pressure switch on a furnace. The source of pressure switch problems can sometimes be a pain to track down.