How to mend ... Pressure Bar Heating Down

whats wrong with my valliant ecomax 835?

my boiler keeps blowing water from the pressure release valve when using the heating as the pressure goes past... [Read more]

halsted ace high?

Please advise me, my boiler both heating & water seems to have a mind of its own,, it chooses to come on when ... [Read more]

FERROLI OPTIMA BOILER?

I have a ferroli optima 901 boiler which i am experiencing problems with. I have recently changed a radiator a... [Read more]

Pressure increases when heating on?

Pressure increases over 3 Bar and water comes out from over flow which reduces the pressure lower that 1 bar.... [Read more]

how con I fix my Worcester 350 combi boiler?

another worcester 350 problem - hot water works fine, but on heating mode pressure rises to indicated 3 bar, a... [Read more]

faulty boiler no one can cure worcester heatslave 15/19 combi?

my boiler is losing pressure and no one can get to the bottom of it !! overnight the pressure drops to virtu... [Read more]

Poor hot water flow?

Heat Line boiler...central heating working fine, but very low water flow/pressure through all hot water taps. ... [Read more]

Low hot water pressure?

Heat Line boiler...central heating working fine, but very low water pressure through all hot water taps. On... [Read more]

Worcester 28CDi Combi - pressure rising?

My boiler is 8 years old. Never been serviced. The pressure dropped last summer when I was not using the boi... [Read more]

halstead ace high over pressurising?

I have a 5 year old Halstead Ace High boiler recently when the central heating is running the pressure has bee... [Read more]

Worcester Heatslave 20/25 Oil Combi Boiler?

Help, Our Worcester Heatslave 20/25 boiler has been playing up again recently. Over the past 14 months we hav... [Read more]

Glow-worm 18sxi problems - HELP!?

Hi We bled the rads on Friday evening, lots of air in system. Later that evening boiler refused to work, 0... [Read more]

ferroli boiler 80E?

We have just bled the radiators, after doing this we now have no hot water or heating at all. The bar light i... [Read more]

How can i fix my worcester 24 i combi boiler?

I had my central heating on and at the same time started running a bath when the water suddenly started runnin... [Read more]

vokera maxin 24e?

have noticed when the central heating has been on for about fifteen minutes and got hot the water pressure ris... [Read more]

halstead finest gold locking out?

finest gold locking out,i have to switch off/on power 4-5 times to get it running, pressure is at 1.7 bar on g... [Read more]

Hot water not heating up enough on Hawk 2 boiler?

I have a Hawk 2 boiler. When I turn on the hot water, the boiler fires up immediately and keeps running but th... [Read more]

vokera linea 35,pressure goes to3 bar when heating is on?

iff heating on goes round to 3 bar and lets out water outside over flow,also when runing hot tap only warm 40 ... [Read more]

Why is my Worcester 28i junior tripping out all the time?

For the last week, my Worcester 28i junior has been igniting and circulating OK, but the bar perssure is fluct... [Read more]

PRESSURE RISE TO 3bar WHEN HEATING IS ON!!!!!!!!!?

Pressure guage rises to 3 bar when the heating on, is this normal?