How to mend ... Vessel Water System

my Ravenheat 820/20 combi keeps overheating?

when the boiler powers up on central heating the boiler keeps running and makes the water presure go above 3 b... [Read more]

Mend a hole in an expansion vessel?

I have solar panels attached to the roof of my home in Spain. At the moment I should be enjoying the benefit o... [Read more]

Have a vaillant ecotec plus 824. The water gets hot then goes cold?

Have a vaillant ecotec plus 824. Real problems!!The water gets hot for about a minute then goes cold and stays... [Read more]

why ami losing pressure on my green star 28i junior boiler?

system and dhw working ok! check radiators for leaks and all topped up. The system is not dumping water ive ch... [Read more]

glowworm betacom 30 problem?

Hello folks, boiler is 2 years old, had plate heat exchanger cleaned/changed/cleaned...dhw sensor replace... [Read more]

Vokera 24 losing pressure?

I have a vokera 24 combi that seems to be losing pressure. I pressurise the system to 1.1bar and while the he... [Read more]

cost of new expansion vessel?

i have a vaillant 828/2e condensing boiler and i have to keep topping up the water level of the boiler too muc... [Read more]

Potterton Powermax 155x losing pressure?

I have a powermax 155x and recently had a new Varem pressure vessel fitted however it keeps losing pressure ov... [Read more]

Warmflow leak?

I have a Warmflow Combi oil boiler, c. 8 years old, but not much used. I have drained the cent. heating syste... [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]

Pressure problem on vailant 630 ecotech plus?

Hi I have a Vailant 630 system boiler and the pressure goes up to maximum 3.3 bar and im force to take water o... [Read more]

What is my problem, Worcester Bosch Grenstar25si/30si?

The pressure has become unstable on my combi greenstar. Just about holds up when heating on. If I isolate the ... [Read more]

i think my pipe to the expansion vessel is blocked?

i have an icon 23t. the heating comes on the pressure rises to about 3 bar releasing all the water out of the... [Read more]

Pressure Drop?

I have a Grant Combi 90 Mk II boiler and approx 5 years ago had a tiger loop (GOK GS2000) fitted internally ne... [Read more]

Baxi Combi 133 HE Plus loosing WAY to much pressure?

Hope you can lend some advise, I recently had the above boiler installed and I am only running 4 radiators at ... [Read more]

Baxi Combi 133 HE Plus loosing WAY to much pressure?

Hope you can lend some advise, I recently had the above boiler installed and I am only running 4 radiators at ... [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]

worcester bosch 240 combi rsf?

should the pressure vessel car tyre type valve have water coming from it? can't pressurise system for more tha... [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]

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]