Boiler Pilot Light Won T Ignite

Furnace blowing only semi warm air.

Boiler pilot light won t ignite.

The jet for the pilot light is tiny. Its main function is to ignite the burners when the furnace is called upon for heat. However even many modern furnaces still run pilot lights. Other times the pilot light is still on but other parts of the furnace could be malfunctioning.

What else can cause a boiler ignition failure. One is a manual type that you must light and the other is an automatic pilot ignition type that lights itself. If gas or propane flow to this pilot light is interrupted even for a moment the pilot light can go out and will need to be relit. 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.

Why won t my furnace turn on if my pilot is lit. If your furnace is an electronic model with an automatic ignition for the pilot light but it won t light there may be an issue with the ignition. The thermocouple assists with furnace operation by monitoring the presence of the flame and turning off the gas supply to the pilot light if it should become extinguished or becomes weak. My gas furnace pilot light will not light.

Sometimes this is the only problem that you need to fix and things will go back to normal. How to light a boiler pilot light. Common reasons your furnace pilot won t light. If your furnace does not have a pilot light move on to the next step.

When thermosta is switched on the flame lights then shrinks. Even a small spec of dirt can block it cause the pilot light to go out and then the boiler won t re ignite. These jets are cheap to replace but they can usually be removed cleaned and reinstalled to fix the problem. The pilot is on and the burners are lit the fan goes on as well.

Burners will not light. When your furnace fails to ignite the first place to look is the pilot light. There are two types of boiler pilot lights. The most common reason for this problem is because the pilot light is not on.

When your pilot light goes out your furnace won t ignite and heat your home. To determine this turn off the thermostat. If your furnace won t turn on check your pilot light. I have electroic pilot.