How to mend ... Boiler Making Hot

Buzzing Water Cylinder when OFF?

We've noticed this a couple of times now; Our hot water tank in the airing cupboard has started making a loud ... [Read more]

how do i ignite pilot light on my sime super 90 plus combi boiler?

was working this morning gone to put heating on no heat in radiators no hot water checked themostst on wall ok... [Read more]

how can i stop my water going hot then cold?

my ferolli combi boiler keeps making the water go hot then cold repeatedly no matter what heat i put the showe... [Read more]

Chaffotaux Mauray britony boiler?

The boiler started making a click, click, clicking noise before it broke down. 14/12/09. It still fires up but... [Read more]

noisey boiler?

i have a potterton puma boiler when i switch it on it runs for about 2 minites and then starts to make a noise... [Read more]

No central heating but hot water?

I have a Potterton puma 80 combi, no problem with firing up for hot water but when the central heating is swit... [Read more]

Has the Fan Assembly truly failed?

Hello all I have a Glow Worm Ultimate 120FF boiler that serves the central heating in my home. The system ... [Read more]

Ravenheat RSF No Hot Water?

I’ve changed the diaphragm in the diverter valve of a Ravenheat RSF . The rod is still not making contact wi... [Read more]

Why does the water go from hot to cold every few seconds?

We have a Vokera Compact 28 boiler, when we turn on the taps, or the shower the water doesnt stay warm for lon... [Read more]

Baxi boiler - No heat but hot water and very noisey?

It is my friends heating system. She has a Baxi boiler not sure which one, but has a tank in the airing cupbo... [Read more]

Boiler overheating and making noises Vaillant VCGB 112/142EH?

Had a new 3 port valve changed as radiators were coming on at the same time as water even though only water wa... [Read more]

One room's convectors not heating?

All of our convectors are working beautifully, except for two in the same room. They are on a single loop in t... [Read more]

water overheatinh in central heating?

The water in header tank nearly explodes hot after you can hear strange noise probably from the pump. I change... [Read more]

Saunier Duval F24E Boiler?

Have a Saunier Duval F24E condenser boiler about 12 months old, pressure drops 2 or 3 a times a day after hot ... [Read more]

potterton boiler?

When I switch the boiler on for some hot water,the boiler lights and stays on for a while.The pipes from the b... [Read more]

Valiant VCW GB221H does not fire on demand?

I have a combiboiler of the above model. It has been shut down for the past 12 months or so. I have flushed th... [Read more]

Why is my Biaisi combi boiler making so much noise?

My boiler makes a really loud noise which seems to get louder as the day goes on although it is a bit noisy in... [Read more]

valliant tubomax gb 820 noise?

boiler is making high pitch noise when central heating on. The noise stops as long as the hot water tap is on.... [Read more]

Big bang on ignition?

Hiya, I have got Ferrolie Optima condensing boiler installed less than 2 years ago, now it is making banging n... [Read more]

Vaillant Gb 221 H Stays on?

After hot water use the boiler sometimes continues making a noise (the "working" noise) and the main flame wil... [Read more]