How to mend ... Air Pressure Expansion

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]

my pressure keeps dropping below the 1 bar mark?

i have just had my boiler services and the gas engineer has just fitted my ferroli 701 boiler with a new PRV h... [Read more]

valliant combi turbomax plus 824?

the pressure icreases until it releases itself through the safety valve. i have checked the expansion pressur... [Read more]

vokera 16e loosing pressure?

my vokera 16e is loosing pressure after central heating goes off.not sure if its safety valve or expansion ves... [Read more]

I have a Ideal Classic FF 360 and only the Pilot light works the boiler?

I have a Ideal Classic FF 360 Central Heating Boiler, when i put the heating on the Pilot light lights and I c... [Read more]

I cannot get water back into the CH system after draining down?

I drained down our CH system and can't refill it now. Its a traditional system with a expansion tank in the l... [Read more]

Pressure reducing on my Bosch Worcester 24 CDi Combi Boiler?

A few months ago i had problems on my boiler with 'rising' pressure. This turned out to be the Heat Exchanger ... [Read more]

Worcester Bosch 35CDi II banging & wild pressure (CH only)?

Hi, just recently our Worcester Bosch 35CDI II boiler has been making worrying noises After 30 seconds or s... [Read more]

my hot water is not very hot upstairs inthe bathroom vokera option combi bo?

my hot water is not very hot upstairs inthe bathroom, i kept on loosing presuure two weeks ago and constantly ... [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]

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]

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]

Halstead Ace High, high pressure rise to 2.5bar when heating is on?

Please help, all rads bled okay, hot water demand fine. But pressure on gauge shows a rise from 0.5 to 2.5bar... [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]

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]

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]

zilmet z160 expansion vessel pressure?

Because I am on a water meter I have a zilmet z160 expansion vessel fitted to my cold water main to reduce the... [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]

my vokera 726 is losing water pressure when the central heating is turned?

what air pressure is required in the expansion vessel

Pressure in Expansion Tank on Worcester 20/25?

Does anyone know what the pressure should be in my expansion tank on a Worcester Bosch Heatslave 20/25. Pro... [Read more]