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Boiler 'fires up' when I use cold tap
- Thread starter darrenh
- Start date
It 'fires up' and sounds like it is heating water for 2-3 minutes - the tap is the cold water tap.
The boiler burns nothing for 2-3 minutes - not good. But what is making it fire up? how can the pressure switch on the boiler be effected by the cold tap?
The boiler burns nothing for 2-3 minutes - not good. But what is making it fire up? how can the pressure switch on the boiler be effected by the cold tap?
- Joined
- 18 May 2004
- Messages
- 3
- Reaction score
- 1
- Country
it sounds like you need to have a mini expansion vessel fitted on your mains supply as close to the boiler as is possible.lit is probably firing when you turn the tap off rather than on and as the water " bounces" within the pipework it will lift a flow switch causing the boiler to fire
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