AFWFilters No brine refill

Brine tank does not refill with water after regeneration

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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

Blocked brine refill orifice, Stuck brine valve, Closed brine line, Incorrect BLFC size or installation

How to Fix / Troubleshooting

Safety: Unplug the softener and close the inlet valve before disassembling the brine circuit.

  • Check water level: After a regeneration, open the brine tank and confirm whether any water is present. If completely dry, proceed.
  • Inspect brine line: Ensure the brine line from the control valve to the brine tank is not kinked or disconnected. Re-seat fittings as needed.
  • Clean BLFC: Remove the brine line flow control fitting at the control valve. Clean any debris from the orifice and verify the correct size for your system.
  • Check brine valve movement: Inspect the brine valve for free movement. Clean or replace if stuck.
  • Test refill: Run a manual regeneration and watch the brine tank during the refill stage. If water still does not enter, the brine valve assembly or control valve may need replacement.
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Repair Difficulty

Medium 3/5

Required Part

Brine Line Flow Control & Brine Valve
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