AquaUnique Residual Brine in Service Water

Water has a salty taste at faucets after regeneration

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Possible Causes

Insufficient rinse time programmed, High brine concentration, Drain line restriction reducing rinse flow, Control valve not fully shifting to service position

How to Fix / Troubleshooting

Safety first: Salty water is usually not dangerous but may be unsuitable for people on sodium-restricted diets. Provide alternative drinking water until resolved.

Step-by-step:

  • Flush plumbing: Run cold water at several faucets for 5–10 minutes after regeneration to clear residual brine.
  • Check drain line: Ensure the AquaUnique drain line is not kinked or restricted, allowing full rinse flow.
  • Adjust rinse time: In the installer menu, increase the rapid rinse time according to the manual.
  • Inspect valve operation: During regeneration, observe that the valve moves through all stages and returns fully to service.

When to call a technician: If salty taste persists despite proper rinse and drain flow, the control valve may not be sealing correctly and may need professional repair.

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Repair Difficulty

Easy 2/5
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