How do I fix my furnace that leaks water when I have my air condtioning on?


Question:

Answers:
Not all furnaces have condensate pumps. All central air systems DO have drain lines -- and that is the first thing you should check. It is fairly common for a drain line, or the pan, to get dirty, and clog up. You can purchase replacement line, if you cannot get your current line cleaned out.

I would also caution you to run the drain to the OUTSIDE of the home. Do not let it simply drain out UNDER the home... this creates a build-up of moisture under the home, and can cause damage over time (like warped or twisted floor joists, mold, mildew, etc)

Check the drain first, then, if you have a pump, check that.

Good Luck


Sounds like your condensate pump is not running. There should be a water line running into a catchbox for the pump.there is usually a float inside. When the float rises on the water, the pump kicks on and pumps excess water to a drain...mine goes to the Washing machine outlet.
Sounds like your drain line is plugged up, we use to have this problem with our geothermal A/C we used draino to open the drain otherwise it would over flow onto the basement floor. You might try a web search on the type furnace you have some sites will have trouble shooting suggestions, good luck.
it could be your condensate lines, but it could be your coil freezing up, then thawing. is your air conditioner cooling properly? it has to be one of those two things
Thewrangler has this one pegged!it is your drain line! if you do not see ice on the tubing that comes from the condenser unit outside, It is not a filter of lo refrigerant problem. Just clear the drain or replace it like thewrangler suggested.

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