If this is a central AC, the
condensation drips off the cooling coils into a pan. From the pan, it is suppose to either go into a drain directly or into a sump, which in turn pumps it into a drain. Dirt or mold frequently plug the drain out of the pan or the drain line itself. You need to clear the drain with a wire or forced air. If there is a trap in the drain line, it may be plugged. If there is a trap and the line is not draining from the trap into a sewer, then I suggest you remove the trap, which is intended to block sewer gas from coming up the drain line. If it doesn't drain into a sewer, there is no sewer gas to block and the trap is unnecessary. The credulous building code requires the trap, regardless of whether or not the unit drains into a sewer.
If you are talking about a window unit, the problem is similar - the water is being blocked from where it is supposed to drain. With a window unit the water is usually picked up by the fan that cools the
condenser (hot coils) on the outside of the unit. The fan sprays the water on the hot coils and evaporates it so it doesn't drip out of the unit.
MARC
THANKS FOR YOUR RESPONSE. I HAVE HAD 2 DIFFERENT AC PEOPLE LOOK AT THIS UNIT & THEY ARE PUZZLED. I HAVE LEFT THE AIR CONDITIONER OFF WHICH KEPT WATER FROM LEAKING BUT THE SPECIAL CLOTH FILTER IS SOAKED .....ANY IDEA ON THIS?
traps are needed on the drains to stop the unit from pulling air through the drain and not allowing the condensation to drain properly. in order to help we really need some info, split system i assume? how is the drain set up (runs outside, runs directly into a sewer ect) water leaks are generally a clogged drain, cracked pan, i'v had dirty coils that allowed it to drip outside the pan. how bad is it leaking? flooding everything or just drips?
Depending on how a particular AC system is set up, the condenser can be on either the intake or exhaust side of the fan that circulates the cooled air. There are claims that the trap is needed to prevent leakage of air, in any direction from the condenser housing. However the size of the drain pipe is so small compared to the size of the air duct, that the amount of air that would "leak" through this line is insignificant. So my statement remains the same. If the condensate line does not connect directly to a sewer, so there is no sewer gas to be concerned about, then removal of the trap will take you a long way toward not having the condensate drain line block up.
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Hi,
Here is a tip that I wrote about how and where a garbage disposal will leak and what can be done to fix it.
Garbage Disposal Leak from bottom of motor
heatman101
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