Noisy Hot Water Flow Switches

Noisy Hot Water Flow Switches? See our Fault Finder for Heating Engineers and Plumbers

Fault Fix
faulty mechanism (loose internal paddle or wheel) replace switch

General ways to reduce boiler noise

  • Add Central heating inhibitor
  • Add a Boiler filter
  • Check the pump for seizure
  • Check for limescale – heat exchanger
  • Check for Air locks in the system
  • Check the system for leaks
  • Power Flush the heating system

Other Issues to check

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