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HomeRepair HelpIntertherm Central A/C RepairIntertherm Central air conditioner leaking at furnace or air handler Repair
Intertherm Central air conditioner leaking at furnace or air handler
When an Intertherm central air conditioner is leaking water at the furnace or air handler, the evaporator coil may not be tilted toward the drain outlet, preventing condensation from flowing into the drain pan. This is the most common cause of an air conditioner leaking water or an AC condensate leak. Water under the furnace from AC operation can also indicate a cracked drain pan (also called a drip tray), especially if the pan is leaking without overflowing. A clogged condensate drain tube or drain trap is less common, but it can back up water and cause the air handler to leak water. Turn off power to the unit before inspecting or clearing the drain, and avoid working around live electrical components. These checks and pan or tray replacements are generally DIY-friendly, but contact a licensed HVAC technician if the evaporator coil must be repositioned or if the repair involves refrigerant or the sealed system. Enter your Intertherm model number to find the exact replacement drain pan or other part for your central air conditioner.
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 - Intertherm 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 - Intertherm 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 Intertherm air conditioner leaking water at the furnace or air handler?
What should I check if my air conditioner is leaking water but the drain pan is not overflowing?
How do I fix a clogged condensate drain line on an Intertherm central air conditioner?
Can an incorrectly positioned evaporator coil cause an air conditioner condensate leak?
How do I find the correct Intertherm drain pan or drip tray replacement part?
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