Question about Goodman GMS90703BXA Heater

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I need a repair manual for a Goodman GMH951155DX

The furnace would not start, I had to drain water, manually, take hose off and drain. Is there a backpressure problem. I'd like a manual

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  • dwkcool May 11, 2010

    what is going on with it does any thing try to start when you turn the t-stat up

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No fire, only blower motor ruaning

Posted on Dec 25, 2008

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Goodman dependable 92 light for 6 sec out reignights after 45 sec it does it about 4 times then nothing i turn the pwr on and of thought might be the thermocoupler or flm sensors storm knocked out air


be carefull
only found these

DF]Service Instructions - HVACPartsShop

www.hvacpartsshop.com/manuals/gmph050-3.pdf

Goodman Dependable 92 Furnace Manual - PDF documents

www.do-cu-cu.com/Goodman-Dependable-92-Furnace-Manual.pdf Goodman dependable 92 furnace manual shop for goodman gas furnace repair parts for model gmpn1004 at sears partsdirect. find parts, manuals & diagrams ...

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Oct 10, 2016 | Goodman Heaters

1 Answer

I have a goodman gmh80703ancc and the inducing fan comes on and goes off immediately. I took the hose off and the fan continues to run but the furnace will not light.


the condensate drain is clogged and full of water-or the vacuum switch pot underneath the inducing fan is not working. if you suck in on the hose you took off and it starts working then you know it is the vacuum switch.

Jan 31, 2015 | Goodman Heaters

1 Answer

I have a goodman high efficiency furnace, model gms9/gcs9. I've had several furnace techs look at it scratching thier heads. It won't fire up, the ignitor comes on but won't flame the unit. I...


check to see that your condensate line is not plugged. next check the p-trap where your line goes in. also check your flue abs flue pipe see as it comes out of roof is it open or does it have an elbow coming off of it i usually install with elbow preferably less water goes in the units resevoir hope that helps u

Apr 04, 2012 | Goodman Heaters

1 Answer

Water draining back into furnace


is the furnace fairly level? doesn't have to be prefect,but way off will cause a problem. remove front covers to find source of water.there are some drains that arn't used and have rubber caps.hoses have clamps and go to box on side which drains to a drain.if source isn't obvious,thats more serious,water on the board will ruin it.

Jan 14, 2011 | Goodman GMS90703BXA Heater

1 Answer

I have a Goodman GS95 and the inducer blower has water in it. I have taken it off 3 times now and dumped the water out to get it to run for a little while ,but it gets water in it then no heat?


First of all the water is normal in a 90+ efficient furnace. However it should be draining off before there is a problem. If the furnace was installed correctly there will be a couple of drain hoses near inducer motor that lead to a main collector on the side of the furnace. Check that those drain hoses are clear of debris and that the plastic collector on the side of the furnace has standing water in it too. From here continue checking for blockages in the drain system all the way to the floor drain or termination point. Hope this helps.

Jan 02, 2011 | Goodman GMS90703BXA Heater

1 Answer

Condensation building up in lower compartment of goodman 45btuh furnace in counterflow position 95%a.f.u.


Make sure all drains and hoses are connected to the lowest positions and that they are free of any blockage or debris. If there is not a vent or stand pipe on the drain line as it exits the furnace cabinet, put one in. A stand pipe is a Tee with a vertical pipe going up approximately 5" and allows the water to drain easily by breaking the vacuum normally experienced by the inducer blower.

Feb 03, 2010 | Goodman Heaters

1 Answer

There is water leaking from the bottom of the new gas furnace. This happend last year and they said a hose was plugged. It is happening again this year and they are saying now it is because we didn't have...


No. The installers did not properly plumb you hose. You have a high efficient furnace which is really nice. However, this furnace takes out moister from the air when heating, causing condensation. I would look at the installation manual and see if they installed them properly. They might of installed the wrong unit for you home. Most Goodman furnaces can only be installed up-flow meaning in the closet or horizontal installed meaning in the attic. Look at the installation manual to see if they installed the right unit for your home. www.fastacservice.com

Oct 13, 2009 | Goodman Heaters

4 Answers

I have a Goodman GMS9/GCS9 Gas-Fired Warm Air furnace and it's no


For anyone who finds this question in the future - It's the condensate drain hose for the heat exchanger.
Get a bucket and some towels handy and unplug the lowermost flexible rubber hose - if you do this right after the furnace has stopped, water will come gushing out. Mine was continually plugging up causing my furnace to stop, like yours - the L shaped plastic tube that dips into the drain trap on the outside of the unit (the thing filled with water) was too close to the bottom of the trap. I took it out, shortened it by 1/2 an inch (keep the same bevel that's on there!) and I haven't had a problem since. Blowing out the line would only hold things off for a few weeks before it started acting up again.
Cost me $90 for a service call the first time since visually it looks fine and I checked the upper hoses that go to the pressure switch :)
Learn from my service call!

Feb 23, 2009 | Goodman GMS90703BXA Heater

1 Answer

Goodman furnace may be producing to much water


Your furnace is more than 90% efficient and extracting so much heat from the gas that it condenses instead of blowing out steam. This is good! Figure that for every dollar you spend on fuel, you are getting back 90+ cents back in heat. Compare that to the typical units that only get 70 - 80 cents back in heat.

Yes you should drain your condensate to a proper drain via gravity or a condensation pump. I would recommend you treat the condensate first with a acid neutralizer prior to draining in municipal drains due to it's high content of sulfuric acid. You can purchase these filter type neutralizers on the net or at a good heating wholesaler.

Feb 11, 2008 | Goodman GMS90703BXA Heater

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