EcoWater Drain Line Restriction or Improper Air Gap

Softener’s drain line occasionally backs up or overflows at the drain point.

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Possible Causes

Clogged drain line, Drain line run too long or too high, Air gap blocked, Undersized drain piping

How to Fix / Troubleshooting

Safety first: Place the unit in bypass and unplug it. Be prepared for water discharge when disconnecting the drain line.

Steps to correct:

  • 1. Inspect drain route: Ensure the drain line slopes downward with no sags that can trap debris. Avoid runs longer or higher than EcoWater specifications.
  • 2. Clear clogs: Disconnect the drain line at the softener and at the drain. Flush with water or use a flexible brush to remove buildup.
  • 3. Check air gap: If an air gap fitting is used, clean it of debris or biofilm that can restrict flow.
  • 4. Verify drain capacity: Ensure the receiving drain (floor drain, standpipe) is not partially blocked and can handle the softener’s backwash flow.
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Repair Difficulty

Easy 2/5

Required Part

EcoWater Drain Line & Air Gap Fittings
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