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While the central air unit is on, water is leaking

While my central air is on, water is leaking from the bottom of the furnace. What is causing this problem?

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Any time you have an HVAC problem the best solution is to call a qualified tech. While many problems (and quite possibly this one) aren't that hard to fix the repair cost if you screw something up can be very high. My disclaimer out of the way, here you go:
the condensate (water) is not draining properly. This is either because your pump (if you have one) isn't working, the drain line is clogged (most likely), the gravity drain has been knocked around and feeds back into the furnace, or something more sinister (crack in the evaporator coil pan, for instance). If you have a pump (you'll see PVC running into it and vinyl tubing running out, make sure it's plugged in and the lines are not clogged or kinked. If you have a gravity drain try disconnecting it and blowing it out and making sure it always runs downhill, even if only a little. Other than that, call the HVAC service guys.
Good Luck

Posted on May 26, 2010

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1 Answer

Water leaking from base of unit


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