On 14 Jul, 00:05, John Rumm wrote:
bob wrote:
Ok, i have managed to locate the tap (control screw) thanks to the
post below. *How long do i leave it open for; how do i know when the
system is pressurised?

Oh, and, see the bit titled "What should the pressure gauge be set to?"
in Ed's FAQ

http://groups.google.co.uk/group/uk..../thread/be3e26...

--
Cheers,

John.

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Thanks again John. One last question, should the boiler be powered on
when i repressurise, will the pressure gauge work if its not?