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Posted by Homebrewdude on November 1, 2009, 8:46 pm
> theedudenator wrote:
> > My furnace stopped working, it had some read-outs saying the exhaust
> > was not working.
> > Turns out the exhaust pipe was full of water and filled the exhaust
> > fan with water.
> > I cleaned all of this out, but now I want to correct the problem.
> > My exhaust PVC travels from the furnace to the outside wall. =A0There i=
s
> > a belly in this pipe. =A0Thats were the water was sitting.
> > Looks like I need to have it angled to drain back to the furnace - I
> > need to correct the belly.
> > Is there a standard size for this type of pipe? Mine looks to be 3"
> > dia. =A0Rather large.
> The fan should have a drain port & tube running to the drain, make sure
> that is not plugged with goo.
> MikeB
I am looking into that also.
I do not have a manual for the furnance and Armstrong does not have
much on its site.
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Posted by theedudenator on November 1, 2009, 9:28 pm
I checked these and all is clear.
I do have some leaking from the internal furnace plastic part that the
drain connects too.
Not sure if it can be fixed.
Looks like the part has a manufactured split in it that is sealed.
> The fan should have a drain port & tube running to the drain, make sure
> that is not plugged with goo.
> MikeB
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Posted by EXT on November 2, 2009, 11:19 am
> theedudenator wrote:
> > My furnace stopped working, it had some read-outs saying the exhaust
> > was not working.
> > Turns out the exhaust pipe was full of water and filled the exhaust
> > fan with water.
> > I cleaned all of this out, but now I want to correct the problem.
> > My exhaust PVC travels from the furnace to the outside wall. There
> > is a belly in this pipe. Thats were the water was sitting.
> > Looks like I need to have it angled to drain back to the furnace - I
> > need to correct the belly.
> > Is there a standard size for this type of pipe? Mine looks to be 3"
> > dia. Rather large.
> The fan should have a drain port & tube running to the drain, make
> sure that is not plugged with goo.
> MikeB
The type of replacement pipe will depend on where you live. Some states may
have different regulations. Canadian regs. require a special grade of high
temperature PVC, identified as "System 636". Home depot carries the 2" size,
Lowes both 2" and 3" sizes. Any old equipment still running with plumbing
grade PVC or ABS are required to change the vent material if any alterations
are done to the venting.
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Posted by Ed Pawlowski on November 1, 2009, 10:04 pm
> My furnace stopped working, it had some read-outs saying the exhaust
> was not working.
> Turns out the exhaust pipe was full of water and filled the exhaust
> fan with water.
> I cleaned all of this out, but now I want to correct the problem.
> My exhaust PVC travels from the furnace to the outside wall. There is
> a belly in this pipe. Thats were the water was sitting.
> Looks like I need to have it angled to drain back to the furnace - I
> need to correct the belly.
> Is there a standard size for this type of pipe? Mine looks to be 3"
> dia. Rather large.
It may even be imprinted with the size, but in any case, it is a standard
size. You can always cut a piece out and take it to the plumbing supply
with you. It is either 3" or 4" for that application. Check the furnace
manual for installation information and how much pitch the pipe should have.
PVC will sag over a long stretch. Add some hangers to keep it from sagging
again.
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Posted by Bob F on November 2, 2009, 1:15 am
theedudenator wrote:
> My furnace stopped working, it had some read-outs saying the exhaust
> was not working.
> Turns out the exhaust pipe was full of water and filled the exhaust
> fan with water.
> I cleaned all of this out, but now I want to correct the problem.
> My exhaust PVC travels from the furnace to the outside wall. There is
> a belly in this pipe. Thats were the water was sitting.
> Looks like I need to have it angled to drain back to the furnace - I
> need to correct the belly.
> Is there a standard size for this type of pipe? Mine looks to be 3"
> dia. Rather large.
Contact the manufacturer and ask them for an installation manual. IT will be
very useful now, and in the future.
It should be standard PVC sizes. You must aliminate any low spots in the pipe.
Any water that condenses in the pipe must find a slope either towards the
furnace or outside.
Could the water in the pipe have come from outside? There should be no way for
it to do that, make sure there isn't.
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Page 2 of 4 < 1 2 3 > last >>
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