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 How to Fix Furnace Problems With a Stuck Pressure Switch?

Answer The pressure switch on a furnace detects when the blower motor is running. Among other features, the switch prevents cold air from blowing through the ductwork until the burner or electric element ... Read More »
http://www.ehow.com/how_12197128_fix-furnace-problems-stuck-pressure-switch.html

Top Q&A For: How to Fix Furnace Problems With a Stuck Pressu...

The Pressure Switch Is Stuck in a Closed Furnace While It's On?

A gas furnace uses a pressure switch to gauge the level of hot air in the heat exchanger. When the pressure reaches a level sufficient to trip the switch, the blower motor activates to push warm ai... Read More »
http://www.ehow.com/info_12205648_pressure-switch-stuck-closed-furnace-its.html

What is a pressure switch on a furnace?

A furnace pressure switch is a device that reacts to changes in the pressure of what's inside the furnace. The switch lets electric current flow through the furnace while the pressure is normal. If... Read More »
http://www.answerbag.com/q_view/2043535

Signs of a Bad Pressure Switch in a Furnace?

A well-designed furnace has safety features incorporated into the equipment to prevent problems. Among the safety devices in a furnace is the pressure switch. When the furnace begins the ignition s... Read More »
http://www.ehow.com/info_12168275_signs-bad-pressure-switch-furnace.html

How to Clean a Furnace Pressure Switch?

A gas furnace pressure switch's function is to maintain the correct pressure inside the heater. Once the pressure reaches certain levels, the heater will turn on or off. If the pressure switch is s... Read More »
http://www.ehow.com/how_12208527_clean-furnace-pressure-switch.html


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