low presure .
where I can find the valwe too add extra water ?

rafal, October 2009

The valve to add water and increase the internal pressure should be on the pipe on the extreme left at the bottom of the boiler (opposite side from the gas inlet.

Follow this pipe down till you find the open/close valve which should have been fitted by the installer

Derekc15, October 2009

check answer below

tim, October 2009