Ecowater Europe Water Hammer / Rapid Valve Operation Noise

Softener makes loud knocking or banging noises in pipes during regeneration

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Possible Causes

High inlet pressure, Lack of water hammer arrestors, Fast-acting Ecowater valve causing pressure spikes, Loose plumbing supports

How to Fix / Troubleshooting

Safety: Sudden pressure surges can stress plumbing; address promptly.

  • Check pressure: Measure inlet pressure. If high, install or adjust a pressure reducing valve.
  • Secure pipes: Inspect visible pipework and secure any loose sections with proper clips or brackets.
  • Install hammer arrestors: Fit water hammer arrestors near the Ecowater softener or at problem fixtures to absorb shocks.
  • Adjust regeneration time: Schedule regeneration for night hours when fewer fixtures are in use to minimize perceived noise.
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Repair Difficulty

Easy 2/5

Required Part

External water hammer arrestor / pressure reducing valve
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