High Pressure Switch Furnace

It shuts the furnace down if it senses negative pressure created by the draft inducer motor.

High pressure switch furnace.

This protects your home from dangerous backdrafting which is when exhaust fumes are reintroduced into the system. Suck on the power hose and then check the switch again using the ohmmeter. 4 6 out of 5 stars 122. Other problems that could cause the pressure switch to not open are a dirty blower wheel on the inducer.

Check for obstructions in the hose. 9371do hs 0031 coleman oem furnace replacement air pressure switch. Free shipping on your first order shipped by amazon. First turn the power of the furnace off.

Get it as soon as thu sep 17. Explanation of a how air pressure switches operate in gas furnaces and water heaters. The pressure switch fitting may have a restrictor inside do not remove. It should be clear.

Next take off one of the power hoses and blow on it. The pressure switch is the small cylindrical object near the lower right in the photo. X 18 replaces rheem ruud weatherking 79 21491 83. Turn off the power.

More buying choices 9 25 5 new offers. There are two electrical connections to this pressure switch. Now use the ohmmeter to check whether the pressure switch is functioning properly. Check the tubing from the inducer.

Onetrip parts furnace pressure switch high temp tubing 3 16 i d. Get it as soon as fri sep 18. Free shipping on your first order shipped by amazon. Newer high efficiency furnaces have pressure switches like the one shown in the photo below.

A furnace pressure switch is an automatic safety feature located near the motor. 4 8 out of 5 stars 53. Find furnaces furnace accessories at lowe s today. Turn off the power to the furnace by switching off the disconnect switch located near the furnace.

If there is no disconnect. Oem upgraded replacement for goodman furnace vent air pressure switch b13701 26 by goodman. Also the fittings that the tubing fit into should be clear.