Alpha Condensate Leak from High-Efficiency Furnace

Water leaking around the base of the furnace during heating operation.

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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

Cracked or disconnected condensate drain tubing, Clogged condensate trap, Leaking collector box gasket on Alpha furnace, Frozen or blocked exterior drain termination

How to Fix / Troubleshooting

Safety: Turn off power before working near water and electrical components.

  • Locate source: Remove panels and observe where water originates during a heat cycle (drain trap, tubing, collector box).
  • Reconnect tubing: Push any loose condensate hoses fully onto their barbed fittings and secure with clamps if needed.
  • Clean trap and drain: Remove and flush the condensate trap and drain line with warm water until clear. Reinstall correctly.
  • Check exterior drain: Ensure the drain outlet is not frozen or blocked.

Persistent leaks from the collector box or heat exchanger area should be inspected by a technician.

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Repair Difficulty

Medium 3/5

Required Part

Alpha Condensate Trap Assembly
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