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Relocating the condensation tube from the furnace/air conditioner

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Posted by: from Newmarket
6/29/2013 at 1:28:06 AM

My customer recently had a new furnace and A/C installed. The condensation tube runs across the floor to the drain as it is supposed to. However, now that they are renovating the drain is in the middle of a hallway and having the tube cross the new laminate is undesirable.

They asked me if there is a way to run the condensation tube to the main cleanout which is within a couple of feet of the furnace. Does anyone know? I told them I would be worried about sewer gasses coming up.

REPLIES (8)
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Date/Time6/29/2013 at 10:19:22 AM

You will need to tap into the pipe below the cleanout and install a Y connector into the pipe. You will need to connect a p trap to stop the gasses from comming back same as you would do for a sink.

Hope that helps.

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Date/Time6/29/2013 at 10:26:16 AM

Hi. Will the condensate still work with gravity if you re-locate the drain?

There are condensate pumps available. You are right about sewer gas being a concern. Perhaps a pump and a trap on another plumbing fixture would work. Example: Pump condensation to top of laundry tub, above the floodline on the sink.

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Daniel from I Hate My Bathroom in Bright's Grove
Date/Time6/29/2013 at 11:24:41 AM

No that's fine, just Incorporate a trap like under a sing but make it out of the same tubing as the condence.

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Date/Time6/29/2013 at 12:13:19 PM

Need to install "U" pipe and on way walve (Home Depot) just like your vanities or bathtub and if necessery connect to vent pipe that runs to roof of existing plumbing.

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Dave from 360renos in Navan
Date/Time6/29/2013 at 12:18:18 PM

Hi Brett

Installing a furnace condensate pump is the easiest if you have a laundry tube and an outlet nearby. Even if the tub is not nearby you can run a long tubing line.

Run the tubing up the to the ceiling and then over and down to the laundry tub.

Happy Canada Day!!

Cheers

Dave

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Tony from DRT Services Inc. in Bolton
Date/Time6/29/2013 at 1:40:14 PM

If your customer does not want to break the floor, they could get a pump that gets connected to the condensation pipe, then into any stack that is near by.

Hope this helps.

Tony

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Adams Heating in Calabogie
Date/Time6/30/2013 at 10:16:42 PM

I have used a dishwasher connection to tap into a 1-1/4" ABS PIPE FROM ONE OF THE UPSTAIRS DRAINS BEFORE THE CLEANOUT. I have seen other contractors drill into top of CLEANOUT and pass the drain through it. Silicone to keep sealed. I prefer to use a condensate pump kit and run lines across ceiling.

Good luck. Hope this helps.

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Date/Time7/10/2013 at 6:48:52 PM

Condensate pump will work, however, you should have a drain in the furnace room, particular if there is a hot water tank.

Regards,

Glenn

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