A modern gas furnace usually has an electronic spark generator to ignite the gas when the thermostat calls for heat.
Boiler pilot light.
A gas furnace s standing pilot in which the flame is lit at all times is sometimes referred to as a pilot light but no matter what you call it its purpose is to serve as a small ignition flame for the gas burner when the thermostat signals for gas to be delivered from the gas valve to the burner it is the standing pilot that ignites the gas flowing to the burners to heat the air in the.
The thermocouple is a metal case that contains metal wires welded together.
Waukesha furnace repair pros help you diagnose and repair pilot light problems do it yourself maintenance and repairs can only go so far unfortunately.
It s dependent on the thermocouple which opens the gas valve.
Aluminum pilot tubing connects the pilot assembly to the burner.
If you re pilot tubing is leaking a small amount of gas it is possible the tubing has been damaged and needs to be replaced.
If you damage the appliance it could lead to a gas leak and be more dangerous than ever.
If there is even a chance that you have a gas leak immediately call your gas supplier open the windows near the boiler and leave.
Do not apply brute force or oil to the appliance even if you find the controls sticky or difficult.
Adjusting the pilot light flame on a gas furnace is the best place to start if it appears that your furnace is not getting as hot as it used to or if it seems like the flame goes out a lot.
This is a very simple process and will only take a couple minutes.
If your furnace is still malfunctioning after you ve repaired or replaced the thermocouple and determined the flow of gas isn t a problem you ll need the aid of an experienced.
One end of the thermocouple is attached to the pilot valve body while the other end which contains the.
The furnace pilot light is a small burner that s used to keep the larger furnace burners going.
If your older gas boiler pilot light has gone out you should first smell the air for gas.
In this hvac training video i show up close how the thermocouple pilot light and gas valve work on a water heater furnace fireplace as well as other ap.
This category contains a variety of aluminum pilot tubing.
Once you ve made sure there s no gas coming out hold a lit barbecue lighter or long match next to the pilot light tube inside your furnace while turning the gas control knob to pilot.
Do always read consult the manufacturer s guidelines first.
To light a pilot light first turn the gas control valve to off and wait 5 to 10 minutes until all the gas fumes are gone.