Carbon Monoxide Detector

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Carbon Monoxide Detector Furnace Filter

Troubleshooting A Home Furnace Problem

Tom Gilmour Photo By Tom Gilmour on September 15, 2013

Gas furnaces use either propane or natural gas to heat an enclosed area. One significant advantage of this method of temperature control is that gas is known to burn cleaner than the oil used in oil furnaces. As a result, mechanical problems tend to arise less frequently when using gas furnaces. And when they do, they are generally easier to diagnose and faster to correct.

Problem #1: No Heat

If a gas furnace produces insufficient heat or none at all, the problem is usually caused by a closed control valve, a faulty thermostat, a defective fuse, or a pilot light that is out. To correct this, open the control valve to allow for the proper flow of gas. Adjust or replace the fuse, reset or repair the thermostat, or light the pilot flame.

Problem #2: Insufficient Heat

If a gas furnace generates heat, sometimes the amount of heat or temperature is inadequate. Both of these problems can occur if the setting on the thermostat is too low, if the filter is too dirty, or if the blower belt is damaged or the blower itself is blocked. To correct this issue, simply raise the temperature setting and either replace or clean the appropriate part of the blower.

Problem #3: Erratic Heat

When the blower or motor is too dirty, when the filter is dirty or the blower is clogged, the furnace can switch on and off too frequently, leading to erratic heating. Fix the problem by lubricating the motor or blower and cleaning the dirty areas. If this irregular heating is related to a faulty thermostat heat anticipator, then reorient the adjustment accordingly.

Problem #4: Pilot Issues

Pilots that will not light are usually the result of no gas or a clogged pilot opening because of a closed or insufficiently open valve. Clear the blockage and adjust the gas valve and light the pilot flame. If this does not work, check if the pilot flame is set too low, the thermocouple is not damaged, or the thermocouple nut is too loose. Set the pilot flame at least 2 inches, tighten the nut if it is loose, or replace the thermocouple if it is damaged. Sometimes, a defective pilot can be the culprit if the furnace is the electronic kind. In this case, an HVAC contractor in lower Bucks should make the necessary repairs.

Problem #5: Gas Dangers

Carbon monoxide buildup and gas leaks are potentially deadly hazards if they are not immediately tended to. Most gas furnaces produce a negligible amount of carbon monoxide during normal operation. Still, it is important to have a working carbon monoxide detector to signal if the amount present has reached a harmful level due to a faulty furnace. In cases of high carbon monoxide levels, exit the building immediately and let a heating repair service in Holland PA area take care of it.

If you need baseboard radiator repair in Levittown , you will find many qualified professionals that can help correct the problem. If it's an electric furnace repair that you need, seek out a trained technician on Google or Angie's List who can service the system. Some vendors can offer furnaces for sale at discount rates on certain brands.

Tom Gilmour Photo Tom writes for ECI Comfort, a heating repair service for Holland , Langhorne and Levittown PA. When dealing with baseboard radiator repairs in Levittown homes, ECI troubleshoots the problem faster than most HVAC contractors in lower Bucks County.

Original article published on SooperArticles.com

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