Home & Garden

Installing new furnace

  • Last Updated:
  • May 20th, 2018 1:37 pm
[OP]
Sr. Member
Sep 4, 2006
763 posts
50 upvotes

Installing new furnace

Hi,
how much would just replacing the furnace cost me in terms of installation cost, if I had already changed the black pipes to the system 636 white pipes. Since i replaced my water htr to change the pipe we had to cut open the ceiling, so im thinking of changing the black furnace pipes too.

I notice some rusting on the clamp at the end of the pipe near the vent. Installer says cld have caused by condensation. Any advice on shld i change the pipe now or leave for later say a yr or 2.
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10 replies
[OP]
Sr. Member
Sep 4, 2006
763 posts
50 upvotes
http://i.imgur.com/WivBrfP.jpg

Thanks for replying soupmaster666. By metal clamp i mean the one cradling the pipe and attatched to the celing. This is almost near the wall, but inside the house. I have attatched a link to the image. Any input if i have to replace this immediately or not is appreciated. Thanks a lot.

So would the pipe running beside the hot water vent pipe be an intake for the furnace or an exhaust for the furnace?
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[OP]
Sr. Member
Sep 4, 2006
763 posts
50 upvotes
Bumping up for some more advice please
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Deal Expert
Aug 2, 2004
27795 posts
3597 upvotes
East Gwillimbury
sandyriver wrote:
May 17th, 2018 5:25 pm
http://i.imgur.com/WivBrfP.jpg

Thanks for replying soupmaster666. By metal clamp i mean the one cradling the pipe and attatched to the celing. This is almost near the wall, but inside the house. I have attatched a link to the image. Any input if i have to replace this immediately or not is appreciated. Thanks a lot.

So would the pipe running beside the hot water vent pipe be an intake for the furnace or an exhaust for the furnace?
I wouldn’t call that a clamp. It’s just a piece of tin used to support the pipe. You can easily replace that yourself.

The pipe next to your water heater should be an exhaust for the furnace.
[OP]
Sr. Member
Sep 4, 2006
763 posts
50 upvotes
Thanks for responding Gee. Yea, i shouldve said supporting metal piece or something like that. Do you have an idea what couldve caused that bubbling or rusting.
Yes, this is the pipe next to the water heater.
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Member
Apr 6, 2008
471 posts
160 upvotes
sandyriver wrote:
May 18th, 2018 2:27 pm
Thanks for responding Gee. Yea, i shouldve said supporting metal piece or something like that. Do you have an idea what couldve caused that bubbling or rusting.
Yes, this is the pipe next to the water heater.
To me it looks like the black drain pipe has been shifting back and forth and has chafed a hole with the sharp steel. The pipe isn't rusting but it may have a hole in it and allowing debris to fall out. I would replace the piece of tin with proper strapping and replace that section of pipe if there is any holes or severe scratches in it.
Deal Expert
Aug 2, 2004
27795 posts
3597 upvotes
East Gwillimbury
sandyriver wrote:
May 18th, 2018 2:27 pm
Do you have an idea what couldve caused that bubbling or rusting.
Yes, this is the pipe next to the water heater.
What is the white pipe above it?

I don’t think there is a leak in he pipe. You definitely need to find the source. Try to clean it off with a paper towel.
[OP]
Sr. Member
Sep 4, 2006
763 posts
50 upvotes
Gee wrote:
May 19th, 2018 10:22 am
What is the white pipe above it?

I don’t think there is a leak in he pipe. You definitely need to find the source. Try to clean it off with a paper towel.
The white pipe is the hot water black pipe which we changed recently. We had to cut open the ceiling for that. So does it make sense to chnage this one too?
http:// mefi.us/images/fuelly/sig-metric/127130.png
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Deal Expert
Aug 2, 2004
27795 posts
3597 upvotes
East Gwillimbury
It won’t hurt to change it, but you need to find the source that caused that stain.
Deal Fanatic
Mar 21, 2002
6024 posts
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Gee wrote:
May 18th, 2018 1:40 pm
I wouldn’t call that a clamp. It’s just a piece of tin used to support the pipe. You can easily replace that yourself.
That's just some kind of strapping. You can buy small rolls of heavy duty steel strapping at any plumbing department. eg:

steel strapping

I have that kind of strapping in my home supporting various plastic pipes. I always keep a roll around because it comes in handy. Don't use it to support metal pipes such as copper water pipes because you could get a battery type corrosive reaction between two dissimilar metals.
[OP]
Sr. Member
Sep 4, 2006
763 posts
50 upvotes
Thanks to everyone for their valuble inputs. Since the cieling was already cut open to install the pipe for the water heater, i went ahead and changed this one too so that i can hope to change the furnace only when it dies. Had to shell out another 300 for this job. Took about 4 hrs as this pipe was as an odd angle beside the water heater one. Now hopefully things are simplified while changing the furnace.
http:// mefi.us/images/fuelly/sig-metric/127130.png
http:// badges.fuelly.com/images/sig-metric/131105.png

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