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cheers dave il do as u say as i was thinking of draining it again to put an air vent on the return of one of the drop as i suspect the air lock is there .. the pipework is 3 months old so didnt need the flush the bypass i take it it screw in to increase the pressure .right ill get it done...

hi thanks for the reply the house is standard 3 bed semi the iaolation valves are open the filler loop is i meter away from the boiler on the flow as it is out of sight and the boiler is not,the pressure is reading 1.4 bar before heat start up and 1.6 when heat is on as for the p.o program i...

he has being round to conect gas and commision it i only did the plumbing which has also being checked and is spot on hes stumped aswelll

hi again i am a qualified plumber and my friends qualified corgi its just i havnt came across this before to be honest its the first system boiler ive fitted the boiler was bled and no air in the system

hi guys i have a problem ive fitted one of these boilers in my house and the problem being there dosent seem enough pressure in the flow and return as the majority of the rads dont get hot or even the drops donts get hot either would i be right in saying the bypass need adjusting , the boiler...