RainSoft Brine Draw Failure

Softener does not draw brine from the brine tank during regeneration (no code)

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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

Clogged injector/venturi, Air leak in brine line, Clogged brine well or foot valve, Stuck brine valve

How to Fix / Troubleshooting

Safety: Bypass the unit and relieve pressure before opening the valve or brine connections.

  • 1. Observe brine level: Mark the brine level before a regeneration. After brine draw, the level should be lower. If unchanged, brine is not being drawn.
  • 2. Clean injector/venturi: Remove and clean the RainSoft injector/venturi assembly and screen in vinegar to remove scale and iron.
  • 3. Inspect brine line: Check for kinks, loose fittings, or cracks that could allow air to enter. Replace damaged tubing.
  • 4. Check brine well foot valve: Remove the brine well cover and lift out the brine pickup assembly. Clean the foot valve and screen of sludge and salt.
  • 5. Test suction: During brine draw, place the brine line into a bucket of water. If no suction is felt, the problem is in the injector or valve.

Resolution: After cleaning and reassembly, run another regeneration to confirm proper brine draw.

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Repair Difficulty

Medium 3/5

Required Part

RainSoft venturi/injector and brine pickup assembly
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