Problem
Water collects in the AC drain pan and may overflow, causing water damage.
Possible Causes
Clogged condensate drain line
Frozen evaporator coil
Excess humidity
Improper drainage
How To Fix It
Turn off the AC system
Clear the drain line if accessible
Allow frozen coils to thaw
Check the drain pan for debris
When To Call A Professional
If the drain continues overflowing, an HVAC technician should inspect the drainage system.
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