SoftPro Plumbing Misconfiguration / Cross-Connection

SoftPro softener is installed but water bypasses the unit and remains hard at all times.

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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

Inlet and outlet lines reversed, Bypass valve left in bypass, Cross-connection between hard and soft lines, Incorrect tie-in to plumbing manifold

How to Fix / Troubleshooting

Safety first: Turn off water and relieve pressure before altering plumbing connections.

  • 1. Verify bypass position: Confirm the SoftPro bypass is in the Service position, not Bypass.
  • 2. Check inlet/outlet orientation: Inspect the labels on the SoftPro valve head for Inlet and Outlet. Ensure the house supply is connected to Inlet and the house distribution to Outlet. Reverse connections if installed incorrectly.
  • 3. Test hardness at multiple points: Test water hardness at a faucet close to the softener and at distant fixtures to identify where hard water is entering.
  • 4. Look for cross-connections: Ensure there are no tees or valves connecting softened and unsoftened lines together downstream of the softener.
  • 5. Correct plumbing: Reconfigure piping as needed so all desired fixtures receive water from the SoftPro outlet only.
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Repair Difficulty

Medium 3/5

Required Part

Household plumbing connections to SoftPro softener
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