How to mend ... Checked Expansion Bar

My Ferroli F30B Boiler looses Bar pressure and goes off ?

When the boiler looses pressure it stops working when I repressurise the system it starts to work normally aga... [Read more]

How to fix pressure problem on Ferolli F30 Combi?

I have a Ferolli F30 Combi which has for a while now had a problem with pressure. It will only work when t... [Read more]

one cold radaitor?

i have been having a problem with loss of pressure in vokera mynute16e release valve was opening pressure keep... [Read more]

loss of pressure in brittany combi 80?

I keep losing pressure in my combi boiler, i recharged the system and when i put the heating on it seems to sl... [Read more]

Over-pressure on Worcester Bosch Heatslave 15/19?

I'll give you the full story. 2001 Worcester Bosch Heatslave 15/19 oil combi boiler; the pressure gauge showed... [Read more]

HIGHER THAN NORMAL PRESSURE ??

My boiler sits happily at 1 bar when cold and 2 - 2.5 when fully running. In the past couple of weeks this goe... [Read more]

High Pressure on a Saunier Duval SD 620?

the boiler is filled to the required 1Bar when cold and recently has been exceeding the 2 Bar pressure when th... [Read more]

Glow Worm 30ci - got hot water but no C.heating?

Firstly just like to say thanks to all that help on here. I am fairly competent with this kind of stuff, and ... [Read more]

over pressure on baxi 105e even though boiler is turned off?

i have a baxi 105e and even with the boiler turned off, it keeps overpressurising and lifting the safety valve... [Read more]

halstead ace high boiler?

i am a hvac engineer and i have a pressurization problem with my boiler at home, i fill the boiler to 1 bar pr... [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]

Water pressure?

My Ferroli F30 combi loses water pressue, despite refilling using the fill loop the pressure guage will read z... [Read more]

Worcester 35cdi II problem?

Help ! I've got a Worcester 35 cdi II which seems to be ovepressurising when there is a demand. When cental he... [Read more]

Why do I need to fill my system daily?

My boiler needs re-pressurising daily. I have checked the expansion tank @ 1 bar. I cannot find any leaks. I ... [Read more]

SD623 Pressure rising on heating?

Boiler fire,s up fine for hot water and heating . But when heating is left on the presure rise to 3 bar, when ... [Read more]

low pressure in vokera linea he?

Hello, can I ask some advice? I have the above combi & a couple of days ago it began faulting on code 40, low ... [Read more]

Worcester 24i pressure release leak?

My boiler has a constant drip from the pressure release valve which stops when I turn on the hot water. The pr... [Read more]

How can I fix my Ferroli combi boiler losing water pressure?

I have a Ferroli Moderna combi boiler and have to keep on re-pressurising the system (by using a filling loop)... [Read more]

loosing presure on my vokera 24?

When I fill my vokera 24 boiler to just over 1 bar and then switch it on the needle goes right to the top and ... [Read more]

Fixing a Baxi 105e Combi which reports a fault when cold, works when reset?

Hi - this has baffled me and the heating engineer I've called in to look at it. My Baxi 105e has been reportin... [Read more]