Pilot Lite Roof Top Furnance

This usually happens when the furnace tries to light after it has been off for a while furnace is cold.

Pilot lite roof top furnance.

Standing pilot lights are common in older furnaces but many newer furnaces have intermittent pilot lights or hot surface igniters. How to light a pilot light standing pilot gas furnaces and water heaters are still around today even in newer homes. Can t find the pilot light. The pilot light or ignition sensor is usually the most common issue when your furnace will not ignite.

The pilot light is used as a source of heat to ignite the unit. Although a new standing pilot gas furnace or boiler are rare finds these days. This could cause the pilot to blow out when the furnace ignites. Come fall time or any time your pilot light might go out it is time to re light your pilot light.

Locate the pilot light and look for the tip of a copper rod very nearby. This is typically the problem if you can hear your furnace click on but it does not fire up. A number of things can make an old furnace pilot light go out including a strong draft a faulty thermocouple or a loss of gas. The thermocouple isn t too difficult to find.

An older gas furnace has a standing pilot that stays on all the time or at least it s supposed to. A modern gas furnace usually has an electronic spark generator to ignite the gas when the thermostat calls for heat. 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 combustion chamber. All the major hardware stores and hvac dealers carry standing pilot appliances.

In this episode of repair and replace vance shows how to relight the pilot light in a standing pilot furnace. Rust or dirt that falls on the burners can cause delayed ignition which would be like a mini explosion when the furnace tries to light. Step 1 remove the panel on the unit that covers the pilot light compartment. 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.

How to light the pilot light to your furnace. The pilot light is a small flame that is either lit manually and remains burning around the clock or is lit electronically via an igniter when the machine kicks on. Lighting your central air heating unit pilot light will take a few moments and is a straightforward procedure. If your pilot light goes out all you need to.