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We turned our furnace on for the first time in the house we bought last month. There is a hose coming from the furnace that is leaking water. We have central air so I am thinking the water has something to do with that. Just wondering what the hose is for and why there is water coming from it.

2006-09-28 00:50:11 · 9 answers · asked by cassie12 2 in Home & Garden Maintenance & Repairs

Gas furnace, forced air heat seperate water heater.

2006-09-28 00:50:38 · update #1

9 answers

You have a high efficency furnace. This is a normal part of it's opperation. When these types of furnaces burn gas they will make water. I know it's what I do.

2006-09-28 10:43:49 · answer #1 · answered by mike c 3 · 0 0

More than likely it is from the central air conditioning unit. The furnance has something in it called an 'A' coil (it's shaped like an 'A'). The refrigerant from the central air unit is piped through this coil. The warm air coming from the house passes over this and cools before being returned to the house. More than likely the water is coming from an ice buildup on the coil. Check to make sure none of the air returns are blocked. Also check the condition of the air filter on the furnance. If it's dirty, this can cause the system to work harder and cause ice to build up. Change the filter every 30-60 days. More often if the house is new or there is construction in the area. Dust and dirt in the house will cause the filter to get dirty a lot faster. The water could be just the humidity being pulled out of the air but if the water isn't coming from the air conditioning drip line, then I would check out those things I mentioned. Definitely check with a HVAC guy as well. Too much moisture and you can have issues with mold in the duct work and that can get back into the house and cause health related issues.

2006-09-28 01:15:16 · answer #2 · answered by joem_1701 3 · 0 1

Well, it could be 2 things:
-hose from your central air,. The water is from when the moisture condenses on the coils then melts, draining down the pipe OR
-it is a high efficient furance. I don't know why they drain, mine just does.

You should be able to tell. You can't have both hot and cold running at the same time. If you are really concerned, look at your furnace, and see where it was bought. Call them and ask. Since they want your business in the future, they are most likely to answer any questions you have.

2006-09-28 01:03:46 · answer #3 · answered by Practical Suzy 3 · 0 1

When the a/c is operating the coil is absorbing heat which has moisture in it-called condensation. this water collects in a pan in the bottom of the coil and drains out of the furnace by way of a hose or pipe then into to a drain. This is normal operation and you don't have a problem. 'It's a good thing'

2006-09-28 02:28:02 · answer #4 · answered by T square 4 · 0 0

You said the furnace correct? I think you have a humidity controller on your ductwork. It allows the heated air to blow over the water to add humidity back into the air, so your house won't be so dry in the winter. This is obviously not functioning correctly. You should be able to turn the water off to the humidifier until you can fix or replace.

2006-09-28 02:44:50 · answer #5 · answered by Jeffrey S 6 · 0 0

Don't know why Bob R received a thumbs down(i evened it up with an up). High efficiency furnaces have a condensation line that goes to a floor drain or is pumped to a drain somewhere else.

2006-09-28 03:59:14 · answer #6 · answered by Carp 5 · 0 0

It's from your central air....we have had that problem as well. You need to get it repaired, it might be clogged, turned wrong so the water backs up or just bad. It will cause your central air to not work at all.....it will leak and freeze up in there, causing ice to build on your unit. Just need to change the hose out. Good luck!

2006-09-28 00:58:36 · answer #7 · answered by Anonymous · 0 1

Condensation.

2006-09-28 00:57:57 · answer #8 · answered by Master_of_my_own_domain 4 · 0 0

if it's a high efficiency furnace it would be condensation and its normal

2006-09-28 01:27:49 · answer #9 · answered by bob r 4 · 2 1

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