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Mend Thorn Apollo 30/50 Home Heating Systems

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Mend Thorn Apollo 30/50 Clunking Noise Boiler

Clunking noise when my boiler starts?

When my boiler (Thorn appollo 30/50) starts it makes a kind of clunking noise, sounds like an airlock in the pipes (But I have checked that)then it runs for as long as i want.The problem begins if I switch the boiler off it will not restart for around six hours it just makes the usuall clunking noise then switches off each time i try to start it

icam
January 2010
ThornThorn Apollo 30/50Heating, Home Heating SystemsClunking Noise Boiler
sounds like the pump may be sticking

Ian
January 2010

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