Gas Furnace Thermostat Not Working

If your furnace won t come on even though the house is cold the problem could be a faulty thermostat.

Gas furnace thermostat not working.

Our focus and specialty is quality installation service and repair of heating and air conditioning systems both residential and commercial. When the red wire is disconnected from w the. To do this turn the thermostat to its lowest position and clean the right side. Then turn it all the way up and clean the left.

Usually when you set your thermostat to auto or automatic the burner will ignite when the temperature falls below the temperature you set on the thermostat. Make sure it is securely attached to the wall and no wires appear loose or frayed. Has been the trusted name in hvac for customers all across the tri state. The blower is blocked the air filters are blocked the blower capacitor is working the flame sensor is dirty the pilot orifice is clogged the pilot flame setting is too low the thermostat is working and if the vents are open.

Thermostat if your thermostat isn t properly functioning your furnace won t respond in the correct manner. The first thing you want to do if your furnace won t kick on is to check and see if the thermostat is set to heat and not the air conditioning function. For more than 45 years ghac inc. In addition to this make sure that the thermostat is set to a temperature higher than the temperature of the room.

Now you can put it wherever you feel comfortable. Furnace thermostat wiring diagram terminal letters on a thermostat and what they control the hot wire 24 volts usually red from the transformer is the main power wire to turn on or off a furnace components. Are there loose wires. First and foremost check to be sure it is set to heat.

The thermostat measures the temperature in your home and directs your furnace to come on when the temperature falls to the level you ve set. If your thermostat is broken you don t have to shiver. To fix a gas furnace check if. Common gas furnace issues.

The test procedure is the same for natural gas oil and propane furnace. If your furnace fails to turn on there are some simple things you can do to check out whether the thermostat is bad. Check your thermostat when your furnace won t start. For example if the red wire is connected to w on the thermostat the furnace should turn on.

To ensure proper matching consult with an hvac professional or take your old thermostat with you when you re shopping for new equipment. This simple step is often overlooked. In either case you want to make sure you get all areas inside the thermostat.