How to mend ... Combi Boiler High

Ariston Micro Combi - water constantly coming out of overflow pipe?

The pressure gauge on my Ariston Micro Combi boiler is usually quite high. There is no leak from any of the ra... [Read more]

My boiler is not giving me hot water but the heating is fine?

The heating is working fine, both on the timer and manual, but when i run a hot tap the flame goes out and I c... [Read more]

How can I fix my Savio GAIA 424S Combi boiler?

After bleeding the radiators, the pressure went too low and boiler cut out. Pressure valve was then opened bu... [Read more]

Baxi Combi 105e - pressure too high?

Hi I just had a radiator replaced and now the reading on my pressure guage is hovering between 2.5 and 3.5. ... [Read more]

Hot water OK but no C.H?

I have a 2 years old Ferolli 24 combi boiler. The C.H just stopped working although the hot water supply conti... [Read more]

Potterton combi 80 boiler?

When central heating is hot, the bar guage goes into the high pressure red section and water comes out of the ... [Read more]

How do I lower the pressure on a combi boiler?

My pressure is too high. It is recommended to be between 1 and 2.5 and it is on 4. I have tried bleading the r... [Read more]

Worcester 24i Screeching/Whistling Constant?

We have a Worcester combi boiler fitted on our central heating system. We have had noises in the past whic... [Read more]

High central heating water pressure - (Glowworm swiftsure 100)?

Hi folks, any ideas on this one? My central heating water pressure on the combi boiler keps increasing until ... [Read more]

worcester bosch 24cdi , high pressure ?

i have just drained the system to move a rad, something i have done on a couple of previous times , i refilled... [Read more]

I have ravenheat combi boiler?

pressure too high how do i release it also hot water not hot in the bath ...Any help appreciated

NOISE FROM BOILER?

NOISE FROM MY NEIGHBOURS CENTRAL HEATING FLUE DRIVES US MAD. THEY HAVE AN ARISTON COMBI BOILER - IT FIRES UP ... [Read more]

How can I fix my Halstead Ace High combi?

I have adequate CH but the DHW is not hot enough. (Luke warm is an exageration!) The lower heat exchanger ha... [Read more]

Problem with Combi boiler and hot water surges?

We have a Worcester 28Si11 combi boiler which works fine EXCEPT THAT we get very erratic flow from the hot tap... [Read more]

High pitched noise from TRVs?

I have a Worcester/Bosch 28si combi boiler with 12 radiators. I am getting a high pitched noise from the TRVs.... [Read more]

poor hot water from a combi (halstead ace high 102)?

i fitted my boiler a year ago and got a gas man to do the gas and commision the boiler.heating is fine.hot wat... [Read more]

how can I adjust the water pressure on my betzdearborn combi boiler?

the pressure is high (in the red on the guage) on my betzdearborn combi boiler. there are 2 valves that I once... [Read more]

COMBI 105E BOILER PRESSURE TO HIGH?

Hi, I have a COMBI 105E,the boiler pressure is to high, the relief valve is blowing off continuosly, the fille... [Read more]

pressure too high?

the pressure on my vaillant combi boiler keeps going too high. A service engineer lowered the pressure and re... [Read more]

How can I fix my mira advance standard - fault - low pressure then cut-out?

can any body help?? after 30 seconds or so my mira advance keeps tripping the internal relays whether set on l... [Read more]