hi my computer been down anyway now fixed bolier not pressure seems to go up and down bar between 1 and 4 and water comes out of outside flow pipe and after a while put more water to increase bar again as too low .when i release water from radiator goes down to about 0.25 bar anybody help please
the expansion vessel has valve on side what should be recommended pressure using foot pump is should this be the answer thanks for any help steve
ps expansion vessel zenit 12 litre 3 bar on label thanks

steve, March 2009

orite steve sound like your expansion vessel needs recharging open your blow off valve left hand side near top its red turn it and it will stay open on its own then connect foot pump 2 expansion vessel and pump it 2 1 bar then re- pressureise system 2 1 bar this should sort it oh and worcester 400 are shocking wait till your plate 2 plate goes hope youve got access 2 the left hand side

big eng, March 2009