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How to light a American Standard furnace

I dont know how to light the pilot light

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If it is an old furnace with a manual pilot light there are pilot lighting instructions usually on a door or panel. If it is 15 years old or newer it probably has either a spark ignition or a hot surface ignitor. These can't be lit manually. If they fail they usually require parts to be repaired.

Posted on Jan 02, 2009

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I have a American Standard furnace Freedom 80 Mod# AUD080C936H3 and am looking for a manal or can you tell me how the exauhst is done. Can I use PVC


Hello, The only time pvc is allowed is if the Furnace is 90% or greater in effiecency, the combustion gases are cooler due to the fact that two heat exvhangers are used. One pipe will be you air intake and the other the exhaust and they can be routed through the roof or sidewall. If the Furnace is 80% then you must use double wall vent pipe and have it connected to either a liner in a chimney or routed through a roof but pvc can not be used.

Aug 28, 2011 | American Standard Air Conditioners

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The blower motor does not come on when we turn the air conditoner on, but does come on when the furnace come on it blows out fine. it is an american standard. the unit on the outside is running strong,...


Hello, turn off power to the furnace and remove the thermostat, then take the R and W Wires and put a jumper wire between them, then turn power back on if this turms on the furnace then you have a bad thermostat if it does not it is a problem with the integrated control board or possibly a low voltqge wire is loose.

Jun 20, 2011 | American Standard WCZ036F Air Conditioner

1 Answer

The furnace is blowing out cool air. i believe i need to light the pilot. i dont know what to light i dont want to blow up or anything:). what steps do i take to light it


Depending on the furnace you might not hace a pilot light. There are several types of ignition devices. One of the more common a pilot light the second being a hot surface ignitor that glows red much like the heating element in a oven. Its possible that the HSI has cracked and needs to be replaced. Look for it on the left or right burner tube in the combustion compartment. It will either look like a rod about 3" long or a flat M.

May 01, 2011 | Air Conditioners

1 Answer

I changed the furnace filter on my american Standard Freedom 80 filter and now my burner won't light.


does anything happen, i door that you removed might have a kill switch on it so if the door comes off or is not installed right the furnace wont light, let me know and maybe i can help. wally

Mar 10, 2011 | American Standard Air Conditioners

1 Answer

How doI replace the motherboard on a American Standard Freedom 80?


Hello, to replace the intergrated control board on your furnace you need to turn off main power to your furnace, then label the wires so you will know where they go on the new board. Then just take the old board to a hvac supply store and they will give you a replacement and just connect the wires to it and turn on Furnace.

Mar 02, 2011 | Air Conditioners

1 Answer

Furnance on but wont blow heat. dont know anything about furnaces. in the middel of a blizzard with dropping temps. Not sure where or if pilot light is on.


Observe if the pilot light is on(in the burner) and see if the thermostat is pointing to the right setting and lastly see if the gas valve is in open position.

Feb 02, 2011 | Air Conditioners

1 Answer

I have an amana furnace and it will not kick on. When the switch is turned on the furnace will try to run but won't warm up and blow. Does it have a pilot light?? or a reset button??


Try this----turn furnace off at stat and unplug furnace for 10 minutes. Plug it back in, the combustion and blower motor may both kick on for 2 minutes or so or not. Turn t-stat to heat and turn up stat to highest setting. Hurry out to furnace and you should hear the combustion motor(little motor piped to flue) kick on, then wait for a "click" next you should see a glow from the igniton element, then another click, next will be the gas valve opening. If no ignition, it will try 3 times and then lock ur *** out, and just turn on the blower just as a precaution. If you dont see the glow plug glowing after the first click, replace the $20 glow plug and you should be good to go. The glow plugs crack, and this is what breaks the connection. If you gas valve has a knob, and says pilot----turn the valve to pilot, push down on the knob, light the pilot and hold down knob for 2 minutes to heat up flame sensor. Make sure the t-stat is all the way down or off. After 2 minutes of holding pilot knob down, let go and your pilot should be still lit, if it is, then turn gas valve to ON and then turn t-stat up to kick on furnace. If ur pilot doesn't stay lit, get a new thermal couple and replace it-$12 bucks. Good luck and let me know how it went. azeddysac@yahoo.com

Nov 06, 2010 | Air Conditioners

1 Answer

The Pilot on my electric furnace will not stay lit, blowing cold air instead of warm. The model is L8T-UH.


Is this a code for us to come over cause electric furnaces dont use a pilot light ha! Ha! (they uses electric heat strips for heat .....but if you want to give away money..........)

Dec 09, 2009 | Coleman Mach 15 Air Conditioner

1 Answer

I dont know how to relight my furnace not sure where the pilot is please help. Kathi


First thing and this is very important turn the thermostat off. When you are in front of your furnace remove the top cover to expose the burners and pilot light. You will see a gas valve that has a knob, lever, or some kind of switch on top of it. It will have off pilot and on in raised letters on top of it. Now move the knob to pilot position and if you have a long lighter or maybe fireplace match something long enough to reach back into the unit about 10 inches or so. Depress the knob hold down reach back with lite match, lighter and get close to pilot and there it will lite. Hold knob down for about 30 seconds and let go. Did the pilot stay on? Good if it did. Turn the knob to the on position and go to the thermostat and turn on the furnace. Now if you are nervous about lighting the pilot light you could call the gas company in your area and explain your situation and they should come out and do it for free. let me know how it turns out. ken

Dec 17, 2008 | Air Conditioners

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