This question is regarding Grundfos Nile Pump Spares

Watermill shower pump

Pump is trying to start when no water is been drawn from system . i cleaned and washed out float switches and still same prob . Any ideas
Asked 10 years ago by Anonymous

Couldbe a faulty flow switch sensor or a dripping tap or a ball valve passing.

Ifyou remove the sensors one at a time you should be able to work out which sideof the pump that is causing the problem.

Answered 10 years ago by The Shower Doctor

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