Boiler Vibrating or Humming Loudly
A hum or buzz you can feel through the wall, often worse at night when the house is quiet..
A hum or buzz you can feel through the wall, often worse at night when the house is quiet.
What is actually going on
A hum or buzz you can feel through the wall, often worse at night when the house is quiet.
The realistic causes, in order
A fan out of balance, generating vibration the case transmits into the wall Loose case fixings or a bracket that isn't fully tight A pump running at a speed that resonates with the pipework
What we test on site
Whether the noise stops when the fan stops, which identifies the source instantly Bracket, case and pipe fixings Pump speed and any resonance in the immediate pipework
Questions we get asked
What causes a vibrating boiler on a gas boiler?
A fan out of balance, generating vibration the case transmits into the wall
What normally puts a vibrating boiler right?
Fan replacement, remounting or a pump speed change usually resolves it without major work.
Is it safe to keep using the system with a vibrating boiler?
A boiler that vibrates against a party wall causes neighbour complaints as well as fatigue on fixings. It's worth addressing early.
