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HomeRepair HelpArcoaire Central A/C RepairArcoaire Central air conditioner leaking at furnace or air handler Repair
Arcoaire Central air conditioner leaking at furnace or air handler
When your Arcoaire 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. The coil must slope slightly so condensation flows into drain pan (also called a drip tray). If the tray is leaking but not overflowing, it may be cracked and need replacement. A cracked drain pan can cause the same ac condensate leak, especially when water is coming from the pan without signs of overflow. Less commonly, a clogged condensate drain line, drain tube, or drain trap can back up water and make your air conditioner leaking water appear at the furnace, air handler, or floor. Turn off power to the Arcoaire unit before clearing a clog or inspecting these parts. These repairs normally do not involve refrigerant handling, but any work inside the sealed system requires an EPA 608-certified HVAC technician. Use caution around 240-volt wiring and have a qualified technician handle electrical repairs. Enter your model number to find the exact Arcoaire drain pan or other replacement part for your specific 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 - Arcoaire 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 - Arcoaire 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 Arcoaire air conditioner leaking water at the furnace or air handler?
How do I fix an Arcoaire AC condensate drain line that is clogged?
How can I tell whether the air conditioner drain pan or drip tray is cracked?
Can an incorrectly positioned evaporator coil cause my air conditioner to leak water?
How do I find the correct Arcoaire drain pan or drip tray replacement part?
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