How to mend ... Boiler Keeps Going Hot

fault f4?

our Glow-worm30cxl knocks off as soon as we use hot water and comes up with fault f4. when we re-start boiler ... [Read more]

domestic water temp goes from hot to cold to hot all the time?

I have an Ariston Eurocombi boiler. The domestic hot water cycles from hot to cold to hot regardless of whethe... [Read more]

Baxi Bermuda 522?

Have a baxi bermuda 522 back boiler , heating working upstairs but not down stairs , pump seems to stop but he... [Read more]

heating and hot water?

F4 keeps appearing on my heatline vizo 24 boiler, i've replaced the condensor, ublocked the frozen pipes, stil... [Read more]

potterton puma water problem?

hello there!having a few issues with my potterton puma boiler! when the boiler is on the ON position i can he... [Read more]

vokera linea 24, heating problem?

my boiler is working fine except it won't heat the radiators in the house. It will not fire up when heating is... [Read more]

glowworm swiftflow 120. Hotwater ok. Boiler gurgles when CH on?

My glowworm swiftflow 120 works great with hot water. When the CH is turned on it makes a gurgling sound and t... [Read more]

Vokera maxin 28e orange light?

I have a Vokera maxin 28e boiler, when the heating and hot water is on it will randomly cut off with the orang... [Read more]

Ravenheat white star?

boiler operates central heating and hot water when the micro switch is removed from the valve block but is doe... [Read more]

Alpha CB24 boiler - No hot water no matter what?

For some time now I can get hot water providing the heating is turned off i.e. the boiler (alpha cb24) is turn... [Read more]

sabre boiler wont light?

we have a 2 yr old sabre boiler heating is on all the time at the moment. problem is it just wont light ,when ... [Read more]

biasi s24 boiler?

hot water not come on when tap turned on unless boiler on for rads. preesure switch i think /

I have hot water but no heating!!!!?

I have a combi baxi boiler it is providing me with hot water but will not activate the heating wether I switch... [Read more]

my hot water is running tepid to cold?

i can't take a shower or hot bath because the water temperature on the boiler fluctuates between 20 and 52. th... [Read more]

Boiler not heating water correctly?

I have a Ferroli Optimax HE 31c Combi-Boiler, since it has been installed the boiler has not heated the water ... [Read more]

Ferroli Domina 80E Combi: No Heating or Hot Water?

Hi we have not heating or hot water, the fan starts up but the iginstion light does not come on We have had tw... [Read more]

vaillant ecotec pro28r, not enough hot water?

hello all, i have vaillant ecotec pro 28r combi boiler, problem is there is not enough hot water but heating i... [Read more]

How can I replace diaphragm without my instruction manual ?

My Vaillant ( think it's a turbo as has black panel with green knobs as described by others ) is ten years old... [Read more]

SABRE HE 29 pressure gone?

I've just retunred from holiday and the pressure gage is reading zero on my boiler = no hot water or heat. Lig... [Read more]

Pilot light keeps going out with my Potterton Puma 80 boiler?

Hi, We have a Potterton Puma 80 boiler that lives in an outdoor shed attached to our house. Our problem is th... [Read more]