GE Appliances No Brine Drain / Restricted Drain Line

Brine tank fills with water and does not drain after regeneration, leaving very high water level.

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Possible Causes

Clogged drain line, Kinked drain hose, Blocked drain fitting on valve, Drain line air gap or standpipe restriction

How to Fix / Troubleshooting

Safety first: Unplug the unit. Brine is corrosive; wear gloves and eye protection.

  • Step 1 – Inspect drain hose: Follow the drain line from the valve to the drain. Straighten kinks and ensure there are no high loops that trap air.
  • Step 2 – Check drain termination: Ensure the air gap or standpipe is not blocked. Clear any buildup.
  • Step 3 – Clean drain fitting: Shut off water and relieve pressure. Remove the drain fitting at the valve and clear any debris or scale.
  • Step 4 – Test flow: With the drain line disconnected from the drain, run a manual regeneration and verify strong flow from the hose into a bucket.
  • Step 5 – Replace hose if needed: If the hose is internally collapsed or scaled, replace with a new GE-compatible drain hose.

Warning: Secure the drain hose to prevent it from whipping during high flow.

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Repair Difficulty

Easy 2/5

Required Part

Drain Line
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