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.

Pilot lite roof top furnance.

Because of the move to higher efficiency models and the wide use of electronic ignition technology which improves. An older gas furnace has a standing pilot that stays on all the time or at least it s supposed to. 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. In this episode of repair and replace vance shows how to relight the pilot light in a standing pilot furnace.

Can t find the pilot light. The pilot light or ignition sensor is usually the most common issue when your furnace will not ignite. 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. Although a new standing pilot gas furnace or boiler are rare finds these days.

A faulty or dirty ignition or sensor is a relatively easy fix so follow these steps and you may be able to solve the problem yourself. The thermocouple isn t too difficult to find. How to light a pilot light standing pilot gas furnaces and water heaters are still around today even in newer homes. Lighting your central air heating unit pilot light will take a few moments and is a straightforward procedure.

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. The pilot light is used as a source of heat to ignite the unit. This could cause the pilot to blow out when the furnace ignites. All the major hardware stores and hvac dealers carry standing pilot appliances.

Locate the pilot light and look for the tip of a copper rod very nearby. If your pilot light goes out all you need to. This usually happens when the furnace tries to light after it has been off for a while furnace is cold. A modern gas furnace usually has an electronic spark generator to ignite the gas when the thermostat calls for heat.

How to light the pilot light to your furnace. This is typically the problem if you can hear your furnace click on but it does not fire up. 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. Step 1 remove the panel on the unit that covers the pilot light compartment.