How to mend ... Valve Combi Boiler

pressure variations on thermaclassic f30e combi?

i put pressure to 1.5 bar , turn on the heater , the pressure rises to 2. 5 bar and the safety valve lets by ... [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]

Boiler not pressurising - Halstead finest gold?

I have a Halstead Finest Gold Combi boiler. I used to put pressure into the system by turning a value lever a... [Read more]

worcester bosch combi boiler divertor valve?

Hi, I have hot water to my taps, but no heat coming from my rads. On inspection, my divertor valve on my worce... [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]

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]

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]

boiler lock out froli?

i note that the problem on your combi is the same as what has just happened to one of ours we have changed the... [Read more]

Saunier Duval Boiler - SD30e cutting out?

Hi, I have an SD30e combi boiler (exactly the same as a Glow-worm compact) and recently a diaphragm had to be ... [Read more]

Vokera Linea 24 combi boiler pressure dropping?

the boiler is eight years old serviced yearly by the installer had this problem with the pressure dropping for... [Read more]

How can i fix my combi boiler, Vokera excell, 80 SP?

The boilers pilot light works but the motorised valve allowing the main gas in does not open for heating or ho... [Read more]

How do I re-pressure Vaillant VCW-sine 18 T3WF H combi boiler?

I have a Vaillant VCW-sine 18 T3WF H combi boiler that has lost water pressure. I haven't got the manual and a... [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?

I have re pressurised the expansion tank as suggested. There is no water coming from the valve on the unit nor... [Read more]

How can I replace stat/ divertor valve assembly Ocean Style FF combi boiler?

Leaking divertor valve

Ravenheat - only get hot water when heating is on?

A friend has a Ravenheat combi boiler. When he turns on the hot water the boiler fires up but he gets no hot ... [Read more]

Ravenheat combi boiler pressure - won't stay above zero?

I have a Ravenheat combi boiler and the pressure got to above 4 so I released the pressure by turning the red ... [Read more]

Chaffoteaux Combi constant leaks?

Hi there I a have Chaffoteaux 80 combi boiler and twice in the last month I have had the plumber out to fix i... [Read more]

Worcester 28i RSF Combi Boiler losing water pressure?

The boiler will not hold its water pressure and is venting water through the pressure relief valve to outside,... [Read more]