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HomeRepair HelpKenmore Central A/C RepairKenmore Central air conditioner leaking at furnace or air handler Repair
Kenmore Central air conditioner leaking at furnace or air handler
When your Kenmore central air conditioner is leaking water at the furnace or air handler, the most likely cause is an evaporator coil that is not tilted toward the drain outlet. When the coil is level or tilted incorrectly, condensation cannot flow into the condensate drain pan and may overflow. A cracked evaporator drip tray is another common cause, especially when water leaks from the tray without overflowing. A cracked condensate drain pan can cause the same symptom. Less commonly, a clogged condensate drain line, drain tube, or drain trap allows water to back up and spill from the evaporator drain pan. This can appear as an air conditioner leaking water, an AC condensate leak, or water under the furnace from AC operation. Turn off power to the air handler before inspecting or clearing a clog. Replacing a cracked drain pan (also called a drip tray) may be a manageable DIY repair, but correcting coil placement can require an HVAC technician. Any repair that opens the sealed refrigerant system or involves refrigerant requires an EPA 608-certified technician. Enter your Kenmore central air conditioner model number to find the exact replacement drip tray, drain pan, or related part for your specific unit.
01 - Evaporator Coil Not Tilted Toward Drain
To help the condensate water to flow towards the drain outlet in the pan, most installers will tilt the evaportor coil slightly towards the drain hole. If the evaporator coil is not level, or tilted incorrectly, water will not flow to the drain hole and may overflow the pan.
Common
02 - Kenmore Central Air Conditioner Drip Tray
The evaporator is normally tilted slightly towards the drain hole to help the water to drain properly into the drip tray. If water is leaking from the drip tray but the tray is not overflowing, the drip tray is likely cracked and will need to be replaced.
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Common
03 - Kenmore Central Air Conditioner Drain Pan
The evaporator is normally tilted slightly towards the drain hole to help the water to drain properly into the drain pan. If water is leaking from the drain pan but the pan is not overflowing, the drain pan is likely cracked and will need to be replaced.
Common
04 - Clogged Drain Tube or Drain Trap
When the air conditioner is running, condensation forms on the evaporator coil and drips into a drain pan. From there the water is directed through a pipe with a trap to a floor drain or condensate pump. If the drain tube or trap gets clogged, the water will back up and overflow the drain pan. If water is leaking from the evaporator pan, it is likely the drain tube or trap is clogged and will need to be cleared to allow the water to flow normally. Be sure to shut off the power to the unit before attempting to remove the clog.
Less Common
Frequently Asked Questions
Why is my Kenmore air conditioner leaking water at the furnace or air handler?
How do I fix an air conditioner condensate leak from a clogged drain tube or trap?
How can I tell whether the air conditioner drip tray or evaporator drain pan is cracked?
Can an improperly positioned evaporator coil cause my air conditioner to leak water?
How do I identify and buy the correct Kenmore air conditioner drain pan or drip tray?
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