Hansgrohe Bypass Valve Failure

Softener stuck in bypass; cannot get soft water even when bypass is set to service.

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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

Internal bypass seals damaged, Bypass handle stripped or broken, Debris lodged in bypass body, Incorrect installation orientation

How to Fix / Troubleshooting

Safety: Turn off water and relieve pressure before disassembling the bypass.

  • Verify handle position: Confirm the bypass handle is fully in the 'service' position according to Hansgrohe markings.
  • Inspect for leaks or stiffness: If the handle is very stiff or leaks, internal seals may be damaged.
  • Remove and inspect bypass: Detach the bypass from the softener head if possible. Disassemble and inspect seals and internal shuttle for damage or debris. Replace seals or the entire bypass assembly as needed.
  • Reinstall correctly: Ensure the bypass is oriented correctly (inlet/outlet) when reattaching.
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Repair Difficulty

Medium 3/5

Required Part

Bypass Valve Assembly
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