cold pressure 1 - 1.5 rising to 2 - 2.5 ----normal operation
cold pressure 1 - 1.5 rising to 3+ expansion vessel fault
cold pressure 2+ bit high and could rise beyond 3 bar limit under normal expansion conditions
iain
September 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.