AquaHouse Drain Valve Not Sealing

Water leaking from the drain line continuously even when the softener is in service mode.

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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

Worn or torn drain valve seals, Debris lodged in drain seat, Misaligned drain piston, Cracked AquaHouse control valve body at drain port

How to Fix / Troubleshooting

Safety first: Unplug the unit and place it in BYPASS. Expect water discharge when removing the drain line.

Step-by-step:

  • 1. Confirm continuous flow: Observe the drain line with the unit in SERVICE. A steady stream indicates internal leakage.
  • 2. Remove drain fitting: Disconnect the drain hose and remove the drain elbow or cap to access the valve seat.
  • 3. Clean seat and piston: Remove the drain piston and seals (per AquaHouse manual). Rinse away debris and inspect for damage.
  • 4. Replace seals: Install a new AquaHouse drain valve seal kit if seals are worn or torn.
  • 5. Inspect valve body: Check for cracks around the drain port. Replace the control valve body if damaged.
  • 6. Reassemble and test: Reconnect the drain, restore SERVICE, and verify that no water flows to drain during normal operation.
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Repair Difficulty

Hard 4/5

Required Part

AquaHouse Drain Valve Seal Kit
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