House heating and cooling question -
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Unread 01-25-2014, 12:19 PM   #1
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1997 TJ Wrangler 
Join Date: Dec 2012
Location: Fort Wayne, Indiana
Posts: 338
House heating and cooling question

So recently I heard this noise coming from the garage, where my furnace is located. I checked it out and noticed it was some kinda water pump that was running and running. Got on the inter web and researched things a bit. Found out it was pump that moves condensation water. They are used when there is no near by drain to get rid of it. Its the copper line you see in the photo. Well I traced it and it goes up in the attic and towards the back of the house. I couldn't trace where it ends because it runs under insolation. I mean I could of but I didn't feel like slipping and falling thru the celling at 10 at night. I'm thinking the line may be frozen, that or just clogged, as it was also spilling water out of the drain pan because it couldn't pump the water anywhere. So for the time being I have just been routing it to this bucket since it really doesn't produce that much water.

Now my question is, this outside A/C unit that only gets used in the summer, it doesn't use that dump water for anything does it? The copper line doesn't look like it goes in the direction of the unit out back but I don't know for sure as maybe it bends somewhere under the insolation and down to it. We have been only using the heat and so far with this set up everything has been getting along fine. However when I switch it over to a/c if the line is still jacked up and I end up routing it else where I don't want to run something dry that needs the water..

thanks for any help guys!

1997 Jeep Wrangler
2004 Jeep Liberty
1981 Jeep CJ5
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Unread 01-25-2014, 05:43 PM   #2
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2003 TJ Wrangler 
Join Date: May 2004
Location: Erie, PA
Posts: 1,474
Your bucket solution is fine. It is just condensation and just gets dumped to waste.
Hers - 2005 Jeep Grand Cherokee Laredo 3.7 4x4
Mine - 2003 Jeep Wrangler X
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Unread 01-25-2014, 07:42 PM   #3
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1988 MJ Comanche 
Join Date: Apr 2012
Location: , michigan
Posts: 70
If you think the lines on the condensation pump are clogged /frozen disconnect both ends (if you can find where it dumps into ) and run some wire ,maybe compressed air or something through it to clear it , if its ice get a source of heat to melt it of course then reconnect . Its perfectly normal for your furnace to produce water (pulls water out of the air) as it acts like a dehumidifier of sorts while heating . The looks of your a/c looks as if its a normal a/c so it is similar to our jeeps except the house uses R134a or some newer stuff so it will produce slight condensation but nothing to cause any issues outside of the system itself .

The only use of water i know of for cooling a house is geothermal heating/cooling (pipes buried under ground to grab heat/cooler temps out of the ground) but it doesn't apply here in this case
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Unread 01-27-2014, 07:44 AM   #4
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1990 YJ Wrangler 
Join Date: Jan 2006
Location: VA Beach
Posts: 5,635
It is a condensate pump. I couldn't tell by the pics of your furnace but if it is a high efficiency gas burner you will get some water in it from the furnace. If it is electric or heat pump you shouldn't be getting any water out of it during heating season.
Back to a gas furnace. Unless you run it 24/7 you shouldn't see more than a gallon or so a week and your bucket solution will work fine until the thaw. Once good weather hits and definitely BEFORE A/C season trace out the condensate line to figure where the stoppage is. I have mine run out to our koi pond but I ran my in laws to a drain line in the basement. that way it stays in conditioned spaces and doesn't leave a swamp spot anywhere around the house.
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