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Gas payne furnace pg8m

Only two of the burners will light then cuts out. the third burner will not kick on. i have replaced the filter already and still no success.
model no. pg8m

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Take the burners out and wire brush them to get the clogged holes opened. Including the side discharge gas traveling holes. Blow out the burners with shop air and check the fresh air supply and the smoke stack.Retry.

Posted on Jan 23, 2009

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I have the following home thermostat Honeywell-YRTH230B1009-Thermostat My husband changed the filter last night and the heat has not been on since. The gas in on and the pilot is lit but still no heat. We...


If your furnace has a filter or fan compartment door, be sure it closed tightly and that the filter is installed correctly - there could be an interlock switch that is preventing the thermostat from operating. Also, if you haven't already turned off the power to the furnace, do that, wait a minute and then turn it back on.

Obviously, make sure the thermostat is on, is set to heat and calling.

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This is incorrect. Gas log parts are NOT generic. Especially ofr a Majestic. They are model specific. www.ibuyfireplaceparts.com

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Replacing blower motor in furnace w/Fasco brand #D727


Some one missed the wiring diagram. I believe its like this:
L1 = Line 1 = (Hot all are same thing)
Black Hi
Blue Med
Red LO
Now usually the black is for AC and connects to a normally Open (NO) contact on the blower relay.
The heater speed (either red or blue) go the the normally Closed (NC) on the blower relay and on one side of this wire or contact on the relay it goes to the heating blower thermostat on the furnace.
The remaining wire (blue or red) you tape off.
L1 also feeds the Run Capacitor on 1 side and the Brown wire feeds the opposite side

The white wire is Neutral and goes to the neutral on the main line.

If this helps you please rate me accordingly and good luck.








Mar 13, 2009 | Specialty Electrics

1 Answer

Frigidaire furnace will not run the heat cycle, The furnace calls


It's a flame sensor.It looks like size of regular welding rod and have one wire connected to it.you have to removed and clean with 1000 grid sand paper and put it back on, that's all..

Mar 09, 2009 | Specialty Electrics

1 Answer

Janitrol furnace wont ignite


it is probably a bad hot surface ignitor

Jan 29, 2009 | Specialty Electrics

1 Answer

Smell Coming From Intertherm Furnace


It could be several things.

The most alarming being a cracked heat exchanger allowing the exhaust fumes to enter the living space.

Exhaust fumes that contain carbon monoxide.

I HIGHLY RECCOMEND that you purchase carbon monoxide detectors, and/or check the batteries in any you might already have.

Carbon monoxide can be deadly at high concentrations.

It could be burning wires, but would smell like burnt rubber.

It could be mold/mildew but would smell musty like dirty socks.

It could be a build up of dust oil etc on the heat exchanger, but that is usually only smelled when it is started up for the first time in months.

Make sure the filters are clean. Dirty filters can cause overheating of the heat exchanger and sometimes cause smells.

This is one of those times I will recommend you have a professional look at your unit.
Specifically the heat exchanger to look for cracks.

A pro will know where to look, where the usual stress points are etc.

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My Ruud Furnace wont stay lit


Hi Bmreid
The problem you describe sounds pretty much like your gas valve is going bad. There is a brand by Honeywell called a Smart Valve which is anything but smart, when the electronics in the valve start going bad the furnace will run great for a day or two and then the next day may not run at all and then an hour later my run and then an hour later may not run again. Very sporadic operating furnace is usually the Honeywell Smart gas valve going bad.

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2 Answers

Thermastat and furnace


you should have 24 volts between yellow and white wires at the stat when the stat is set to heat and set as hot as it will go. burners should light first then 3 to 5 minutes later the fan motor should fire up. if burner doesn't light check the wires going into the top of the gas valve see if you have 24 volts arriving there from the stat. if you do then the gasvalve is probably bad. you can bypass the action of the stat by jumping red to white on 90 percent of the stats made and in a few seconds the gas valve should click open gas flow to main burner where pilot ignites it. another easy check you can do is flip stat fan switch to on. fan should come on at once. if not then you have either no high voltage to unit or no low voltage ( as in a bad transformer). if the fan comes on you know you have high volts and low volts...by cover i assume you mean the decorative cover but there second cover with the mercury bulbs and all is still there. if you have only the bare subbase then new stat time. sounds like an old furnace if it has a standing pilot, it should be checked for cracked heat exchanger by a pro with a n electronic carbon monoxide detector. NOT a diy item due to the real danger of co poisoning.

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1 Answer

My washer flooded my basement causing my pilot light to go out on my hot water heater. Now it won't ignite.


I don't know how high the water got but if only the burner was covered it is probably just dirt. Try replacing the thermocouple this is usually less than $10. If the gas valve itself was wet REPLACE THE WATER HEATER!!!!!!! Never trust a gas valve that has been wet!!!!! It can seem to work just fine but get stuck in the open position defeating all safety measures.

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