locate you filling loop (usually under the boiler a flexible braided hoes with small lever) open lever slowly and raise pressure to 1 - 1.5 bar when system is cold (if you go over 1.5, bleed off excess from radiator bleed valve)
T
July 2008
Automatic Answer
We may have found other answers which could help you.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix home heating systems.