Question about Goodman GMS90703BXA Heater

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Goodman furnace leaking water

My goodman gas furnace is leaking water at the base of the exhaust pvc piping. can i use regular pvc glue or some type of seal to keep the water from leaking out?

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  • overgel Jan 21, 2009

    ok, thank you. whoever installed it didnt put any primer or glue where the pvc is connected to where the gasket is. thats where the water is leaking from. its leaking from where the pvc meets the gasket

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Yes you can use regular pvc glue. You should use pvc primer before you glue it.

Posted on Jan 21, 2009

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2 Answers

Why is water coming out of my furnace exhaust pipe?


When natural gas or propane burns, water vapor is given off within the flu gasses so a bit of condensation in, off and around the flu discharge is quite normal. If it is a high efficiency furnace with the pvc flu pipe, they must be pitched properly BACK TO the furnace so the moisture will drain backwards and out a drain tap at the bottom of the riser. That style of furnace will have TWO drains...one up high for the air conditioner coil and one about 16" up from the bottom of the furnace off of the 'condensing coil' that the flue gasses pass through to extract a much greater amount of heat from the burned gas.

Many flu pipes are installed incorrectly which causes water to drip outside instead of back to the furnace and this usually results in huge icicles hanging off of them in the winter and eventually the partial blockage causes the flu's pressure switch to open.

If you have regular galvanized flu pipe, you have less than a 90% high efficiency furnace and the resultant flu gas temperature is much higher with a much greater quantity of water vapor in it. A little condensation is somewhat normal on the top of the flu cap as the hot moisture laden vapor comes in contact with the cold and dry outside air. If the moisture is all over the galvanized flu pipe in the basement, you are possibly venting into an oversized and unlined masonry chimney. IF that's the case, the chimney should really be lined with a flexible liner and properly connected to the furnace and water heater (if gas fired) with the proper connections and configuration.

Mar 25, 2015 | Heaters

1 Answer

My Goodman furnace, model GMS80903BNA, is not working. I removed the back panels and checked the pressure switch. That seems to be working fine. The exhaust inducer spins up, the igniter starts to glow,...


That blinking 3 times is indicating a pressure switch problem. Try checking for water or a blockage in any of the hoses going to the pressure switch or condensate drain. Check the air intake and exhaust pipe for any blockage including any saggs that may hold water. Make sure condensate drain or pump is working. If you get a glow from the igniter, there may be a blockage in the gas valve or piping.

Jan 23, 2011 | Goodman GMS80903BNA Heater

1 Answer

Need replacement PVC vent pipe elbow with outlet drain


That's going to be a specialty item that you will have to go through the manufacturer for. Also, You will most likely have to add a coupling or two in the pipe. Once you cut the old elbow out, the pipe on each end will be shorter than what you had before. That size pipe is usually tight in place and not easy to shift around. When you purchase the fittings, you should also purchase the primer and the glue needed to do this job per code. If not done per code, it could lead to personal injury and or death as this is the pipe that contains Carbon Monoxide when the furnace is running.
This type of job appears simple but, due to clearance issues, can be troublesome for even the most seasoned mechanics/installers. I would recommend this job be performed by a licensed/qualified contractor.

I would have liked to offered a precise place to obtain the fitting and to say it's an easy job; however, it's a bit more complicated than it appears.

Here's a link to the Goodman Manufacturing with a dealer locator.
http://www.goodmanmfg.com/

Though it may not be the answer you were hoping for, I do hope you found this information helpful to you. Good Luck in your endeavor! :-)

Mar 11, 2010 | Heaters

1 Answer

My gas goodman heater will not ignite.


It is probably not the glow coil, if this is a 80% regular
furnace, Make sure the induced draft blower is working. I once went to a house where I came across
this problem, the only difference is that it would acutually start and then shut off. I took the vent apart
at the furnace and found a bird that was preety cooked.

If this is a90% High Eff. furnace, make sure the pvc
vents are not plugged. To troubleshoot the intake
Vent. Remove the combustion plate and then turn
the unit on, if it runs you have a problem with the
intake vent.

You could temp. remove the exhaust vent and then turn on the power if it runs then your exhaust vent
is probably plugged. You could go outside and make sure the vents are free.

Make sure you have gas available, these are the most commom issues that could solve your problem

Jan 14, 2010 | Goodman GMS90703BXA Heater

1 Answer

Burner ignites and goes out (Goodman Gas-fired furnace)


Hi,
The problem you have is water in the exhaust pipe.
Check to see if the pipe has sagged anywhere or if there is a trap in the line.
If you hear gurgling then it is definetly water....
Some times can be hard to find, even a pipe 1/4 full will cause problems. They are very sensitive to flue problems.
Make sure that the flue pipe either runs back to the furnace or out to the outside, a continuos slope either way witha high spot in the middle.
Also check the bottom drain of the blower if it has one, have had them plug and trap water also..

I hope that this will help you to solve your problem!

Thanks for using Fixya!!

Heatman101

Dec 24, 2009 | Goodman GMS90703BXA Heater

2 Answers

Won't ignite


Be sure that that PVC vent pipe going outside is not plugged or trapped with water. If the vent pressure switch is not tripping the furnace will not ignite. Also be sure that you don't have a gas leak somewhere causing weak gas flow to furnace.

Dec 21, 2009 | Goodman GMS90703BXA Heater

2 Answers

Goodman gms9090 furnace


Based on your description I would guess that there is a "leak" somewhere between the gas valve and the actual fire. Use soap bubbles to check the connections at the gas valve. Also check the gaskets in the Gas valve the same way. Lastly there may be a cracked or misaligned burner causing the "leak". Best of Luck!

Jan 29, 2009 | Goodman GDS80703ANA Open Flame Mid-Size...

1 Answer

Heat not coming on carrier gas pack code 31


code 31 indicates pressure switch did not close or reopened during the heat cycle....1st thing to check is the inducer motor,,this is a small motor that turns a small blower wheel that draws the exhaust gases through the furnace and blows them into the vent pipe....1st locate the inducer assembly,,most easily identified by the small plastic fan blade that cools the inducer motor as it runs..1st turn off tstat and turn off furnace power switch..then turn on furnace switch,then set tstat to heat,set the temp above room temp by 5 degrees...remove the furnace front cover,locate the inducer motor,,if it isnt turning,but is warm or hot after a minute or so,likely the inducer motor is bad..if it isnt turning and isnt warm after 1 minute,then likely the main control board is bad,,not turning the inducer motor when it should,,,,,if the inducer motor is running,,then the pressure switch isnt closing,, could be a bad pressure switch but more likely there is a problem with the venting...some possible problems that would cause the pressure switch not to close in an 80% eff furnace [metal vent pipe] are: [1] a blockage in the vent pipe,base of chimney,dead bird at the furnace where vent connects to furnace or down inside the inducer assy,accessed by removing vent pipe from furnace....if all clear the chimney could be blocked up inside,,is the draft good when vent is removed from base of chimney?..if furnace is a 90%+ type [pvc plastic vent pipe],,then check the intake pipe at the furnace by removing it where it attaches to top of furnace..is the intake clogged with anything?..then check the intake and exhaust pipes outside for blockages,,including ice/frost/snow at the exhaust pipe outlet..

Jan 26, 2009 | Goodman GMS90703BXA Heater

3 Answers

I need to remove a goodman ignitor B1401015.


The gas pipe should have a union and shut-off on it. Turn gas off and spn out the gas line. Re-install using pipe dope and check for leaks.

Nov 21, 2008 | Goodman GMS90703BXA Heater

5 Answers

Ignitor glows, but no gas


Most likely either a bad board or no gas to gas valve. Bleed out all air in the gas line. Check for 24 volts at both gas valve and circuit board terminals leading to gas valve. No voltage = bad board.

Jul 23, 2008 | Goodman GMS90703BXA Heater

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