Noisy Fan

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Fault Fix
Worn bearings replace fan
Jammed air rotor lubricate rotor
Impeller heavy with foreign matter accumulation clean / service fan

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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