How to mend ... Vessel Expansion Boiler

why is my ravenheat combi boiler losing pressure?

my ravenheat combi boiler has just started losing pressure there are no leaks evedent anywhere on the system a... [Read more]

Leakage from overflow of Vokera linea 24 combi boiler?

Pressure is dropping from my boiler, and the temperature goes over. Previously this has been because of no air... [Read more]

ideal combi pressure loss?

when i top up my ideal 280 combi to 1.5 bar water is passed outside via safety relief valve.the pressure go,s ... [Read more]

Bosch Worcester Highflow 400 no heating no hot water?

We've had an ongoing deries of problems which Brit.Gas are struggling with... 31 Dec: no heating/hot water - ... [Read more]

Ferroli domicompact F24 B?

My boiler has been losing pressure for some time. Water comes out the pressure relief valve outlet when the ce... [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]

Worcester highflow 400 keeps cutting out?

My worcester highflow 400 boiler has been cutting out for the last week or two. We have had 2 engineers out, o... [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]

Ferroli DOMIcompact F24B losing pressure?

My boiler has been losing pressure for some time. It only appears to lose pressure when the central heating is... [Read more]

EXPANSION VESSEL PROBLEMS ... Help !!!?

1. when I attach a pump to put air into the vessel, having got it to the correct 1 bar pressure on the pump, t... [Read more]

Valliant eco plus losing pressure - real mystery?

Hi all, My boiler keeps losing pressure on a daily basis and has been doing so for over 2 months. At first... [Read more]

Expansion Vessel Help needed ! ?

How do you test an Expansion Vessel for faults - should there be air in there when you press the bleed nipple ... [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]

How to pressurise expansion vessel?

Vaillant Combi boiler VCW 282 central heating expansion vessel needs to be re pressurised as it is causing hig... [Read more]

Baxi 105HE Expansion vessel pressure!!?

What should the pressure be in the expansion vessel with the system drained ie no pressure.The boiler is a Bax... [Read more]

Ravenheat Littlestar problems ...AGAIN !?

My boiler will be 5 years old in January, every year since it has been fitted, around this time [when you need... [Read more]

Sime Friendly Boiler issue - radiators hot, sometimes not?

This is a bizarre one (or maybe it's more common than I think!). Here goes:- Due to falling water pressure ... [Read more]

Do i need to re-pressurise the expansion vessel?

After repairing a leak on the circuit , I noticed the guage on our Ariston Genus can't get above 0.3 out of th... [Read more]

Vaillant VCWGB242EH GC 4704413 Combi goes out immedi?

Hi, am working on the above boiler, was leaking at the auto air vent so tested the expansion vessel to find it... [Read more]