BWT Perla Plumbing Connection Leak

Water leaks from connections on the inlet, outlet, or bypass of the BWT Perla

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Possible Causes

Loose union nuts, Damaged flat gaskets or O-rings, Misaligned piping causing stress, Cracked fittings due to freezing

How to Fix / Troubleshooting

Safety first: Close the main water supply and relieve pressure before tightening or disassembling fittings.

  • Inspect unions: Check all union nuts at the inlet, outlet, and bypass. Hand-tighten, then snug slightly with a wrench without overtightening.
  • Replace gaskets: If leaking persists, disassemble the union and inspect the flat gasket or O-ring. Replace with BWT-compatible seals if deformed or cracked.
  • Check alignment: Ensure the connected piping is properly supported and not pulling the softener connections out of alignment.
  • Inspect for freeze damage: Look for hairline cracks in plastic fittings, especially if the unit has been exposed to freezing temperatures. Replace any cracked parts.
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Repair Difficulty

Easy 2/5

Required Part

Inlet/Outlet Union Gaskets
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