Gas Furnace Pressure Switch Tubing

Also the fittings that the tubing fit into should be clear.

Gas furnace pressure switch tubing.

In the normal sequence of operations if the pressure switch does not close during this preignition period the control board will not allow the furnace to light. Gas furnace pressure switch and tubing. The pressure switch is an indicator of pressure problems in the furnace. Which is why i made this video that go.

I remove the rubber tube from the circulating fan blow it out and put it back which solves the problem temporarily. Where is the water coming from and how do i fix this permanently. Check the tubing from the inducer. Usually water comes out of the tube.

It should be clear. The source of pressure switch problems can sometimes be a pain to track down. The pressure switch is used to prove this draft by a connection typically rubber or vinyl tubing directly to the heat exchanger or to the inducer draft motor housing. If your pressure switch is stuck it is most likely a problem in the running of the furnace.

My pressure switch keeps shutting the furnace off. The plunger may not be pulling in completely and may only bob around when the pressure builds up inside the furnace.