American Water Heaters Slow Leak or Condensate Overflow

Water heater located in attic or closet triggers pan alarm due to water in drain pan.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Small leak at fittings, T&P valve intermittent discharge, Condensate line blockage (condensing models), Tank failure

How to Fix / Troubleshooting

Safety: Turn off power or gas and water supply to prevent further damage.

  • 1. Inspect all connections: Check hot and cold nipples, T&P valve, drain valve, and condensate lines for drips.
  • 2. Clear condensate line: For condensing models, flush the condensate drain with water or compressed air.
  • 3. Evaluate tank: If no external leak is found and water continues to appear, suspect internal tank failure and plan for replacement.
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Repair Difficulty

Medium 3/5

Required Part

Condensate Drain Assembly or Tank Assembly
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