How to mend ... Central Water Boiler

Why do the diaphragms in my Vokera XL80sp keep perishing?

Ive had the boiler for about ten years now and its been reliable apart from the main (large) diaphragm in the ... [Read more]

Central heating pump continues 30 mins after boiler stops?

We have a Potterton EP3001 control panel. Problem is that when the air/water temperature is reached the pump k... [Read more]

Boiler pressure?

Hi, I was unable to get central heating working with my Ferroli F30 boiler. The hot water seems to work to bot... [Read more]

How can i fix my Vaillant combi boiler?

The water pressure drops quite fast when the central heating is turned on. Looking at the external overflow p... [Read more]

Vokera Linear 24 timer fault?

The boiler works fine in both hot water and central heating modes until the timer is set. When the time is rea... [Read more]

Glow Work Micro?

Due to a leak I recently had to drain the central heating system. I tied the ballcock up, to drain the system... [Read more]

Why does the Hawk II Optima keep turning on central heating without request?

I have a Hawk II Optima combi boiler which is around 10yrs old. I've pushed the selector switch to the disable... [Read more]

Alpha cb28 boiler. Hot water is fine but central heating isn't working?

Just attempted to start using central heating again after summer and it isn't working. Combi Alpha CB28 boiler... [Read more]

HOW CAN I STOP WATER COMING OUT OF THE 15mm PIPE THAT GOES OUT SIDE FROM MY?

I HAVE A POTTERTON COMBI GAS BOILER THE 15mm PIPE THAT GOES OUTSIDE KEEPS LEAKING WATER AFTER CENTRAL HEATING ... [Read more]

No hot water from my Glow Worm Space saver 60 MKII?

Central heating works fine but I can't get any hot water! Boiler fires up but switches off after a few minutes... [Read more]

boiler doesnt always fire up on hot water only.boiler type alpha 240e?

when turnig hot water on the boiler dosent always fire up need to put central heating on to get hot water

Is my Fan faulty?

After having problems with my boiler not supplying any DHW or CH the last couple of days i am of the opinion i... [Read more]

How can I repair my Vokera Combi Boiler?

What is causing the temperature of my hot water to cut the boiler out at 45C and in at 33C. Central heating w... [Read more]

We get hot water when we turn on the heating but not otherwise?

If we turn on the external heating thermostat, the central heating system works (boiler fires and radiators co... [Read more]

Worcester bosch 28 cdi ?

Recent installation. Hot water is fine but central heating cuts out after 5 minutes. Boiler is 18 months old b... [Read more]

Hot water problems, cylinder not getting hot?

I have a back boiler heated vented system, there is central heating but no hot water after i flushed the sedim... [Read more]

Why is there hot water but no heating?

I have a glowworm micron 40ff boiler,when hot water is selected on programmer the boiler fires up,but before t... [Read more]

Why have I got hot water but heating system?

When I turn on combi boiler all I have is hot water. There is no central heating - What should I do?

Boiler fires up when demand for hot water but doesn't when demand for C/H?

I have a Potterton Netaheat Profile 80e boiler, Honeywell V4073A mid-position valve, Honeywell ST699B programm... [Read more]

how can fix my baxi combi instant boiler 105e?

the little LED's are lit up to show that theres no flame, theres a fault on the fan or flue and the safety the... [Read more]