How to mend ... Heating Valve Boiler

What is little plastic cap on an automatic air vent for?

I understand automatic air vents like the one used next to the boiler in my domestic heating system work by ha... [Read more]

Worchester Bosch 280 RSF will not supply DHW?

My boiler works OK when used on CH, but will not supply DHW when the boiler is cold, if the boiler has been he... [Read more]

My Potterton Puma 80 has pressure build up problem!?

When the boiler is providing hot water only everything is fine, operating without any problem. But when the c... [Read more]

baxi combi 105e diverter valve?

hi i have a baxi combi 105e boiler and i have been having a problem with this when i have been turning the hot... [Read more]

comination boiler ferroli modena 102?

turn on central heating and pressure gauge will go to 4 bar and lift safety valve

Does my Ravenheat boiler RSF 82E need a full system Flush?

Hi, my Ravenheat combi boiler is not working, the heating engineer has said that it probably needs a new air v... [Read more]

Gas valve failing to open on ferroli domicompact f24b?

My boiler has been working fine, used it last night before bed with no problems or noises. Woke this morning ... [Read more]

baxi 105e not changing over to central heating?

boiler appears to be stuck on hot water even though central heating his selected and time clock and thermostat... [Read more]

how can i fix my glow worm 30 cxi?

Hi, I have a glow worm 30cxi boiler and have a problem that hopefully someone can help with. The problem... [Read more]

Why is the water not heating up?

I have swiched the CH off now the weatehr is hot but now the hot water doesn't heat up - the heating control p... [Read more]

How can i put pressure in expansion vessel on vokera 20/80 rs flomatic?

I have a problem with pressure on my pressure gauge when my central heating is on the pressure goes to just co... [Read more]

tepid water from worcester bosch 24cdi?

i am only getting tepid hot water from my combi boiler. central heating working fine. i have change the heat e... [Read more]

Glowworm 30ci leaking?

A couple of days ago, I noticed that the heating was off. I used the internal control to fire it up, but there... [Read more]

worcester 9.24 no hot water?

please help, i'm pulling my hair out. it first began with the boiler only giving hot water when the central he... [Read more]

How can I replace Halstead fine gold combi boiler's diverter valve ?

There is no hot from the tap or shower, the central heating seems to work fine and it sounds like the diverter... [Read more]

how to replace pressure relief valve worcester 24i combi boiler?

When turning on central heating the system pressure increases to maximum. I think the pressure relief valve is... [Read more]

How do I fix my potterton lynx II?

My potterton lynx II combi boiler is not working correctly as the hot water circuit is fine but the heating sy... [Read more]

Gem boiler -Central heating is working but no hot water makes groaning nois?

Central heating working fine but when hot water taps turned on you hear a loud groaning noise and only hotwate... [Read more]

Potterton Puma 80 heating problem?

Hi there i wonder if anyone can help i have two probs. Firstly heating switches off every 30 secs even on con... [Read more]

Worcester 25Si ...Hot water not firing up at low pressure?

I've got a Worcester 25si around 7 years old combi, recently it decided to have a problem with the hot water. ... [Read more]