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Well it could be the hot and neutral wire needs to be swapped at the furnace. And if its an older unit that this has just occur on the control board could be faulty.
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How do you repair a furnace limit switch?
When a typical residential furnace or gas package unit "high limit switch" is found to be bad it is replaced with a new one-not repaired.
How do you identify an electric furnace from a gas furnace?
an electric furnace runs off of 208/230 Volts while a typical gas furnace runs off of 120 also a gas furnace will have a valve for the gas relay where the gas enters the furnace.
Where to get a schematic for a gas furnace?
You can find a schematic for a gas furnace on the website, Uncionradio.
How do you run gas from the furnace to appliances?
You should not run gas from the furnace to any appliances.
Where can one find gas furnace prices?
There are many places to find gas furnace prices. One can look on sites like Furnace Price Guides, Century Gas Furnace, and Consumer Reports. One can also find gas furnace prices by going to a local heating supply store.
Why does my furnace pilot light keep going out?
There are a couple common reasons for a pilot light going out. 1. The thermocouple is weak. This is the gold rod that must see the flame in order to keep the gas valve open. it is a safety device that will not let the gas vavle open if there is no pilot. 2. The pilot is dirty and has a yellow flame. If this is the case, it will have to be cleaned. There are books on he market such as forced hot air furnace - troubleshooting and repair that show you how to repair your furnace. You can buy this at amazon.com
What is a gas furnace and its advantage?
A gas furnace is a furnace that operates to keep your house warm with the use of gas. Gas furnaces are very energy efficient furnaces, and are the most common furnaces used in North America.
Why does your gas furnace blow black smoke in the house?
# Why doe the gas furnace blow black smoke?
Where can one get information on gas furnace troubleshooting?
One could find information on gas furnace troubleshooting online at Ask. Hvac for beginners is also a great place to look. One could also contact their local gas furnace dealer and/or repairer for gas furnace troubleshooting.
Furnace gas versus electric?
Go with gas.
What could cause your gas tank to blow out and get a hole in the same spot 3 times in a row?
improper repair.... or an offending part banging or rubbing the tank
Is it difficult to repair a furnace yourself?
It depends on the nature of the problem. Many common causes of furnaces problems only require a few simple steps to fix. However, if you smell gas, do not attempt to fix it, just leave immediately and don't turn on any lights or electronics. Here are some how-to guides with some tips: http://homerepair.about.com/od/heatingcoolingrepair/ss/gas_furn_trblsh.htm , http://home.howstuffworks.com/how-to-repair-gas-furnaces.htm , http://www.hometips.com/repair-fix/furnace-problems.html
