How to mend ... Central Heating Boiler Up

ravenheat RSF 820/20 boiler?

The boiler operates fine with the central heating but does not flare up when you turn the hot tap on

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]

how do i set my timer on a ferroli medena 80e boiler?

We have a central heating sytem with a Ferroli Modena 80e boiler and have tried to set the timer but it never ... [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]

Sime Format 100c Making tapping noise then the boiler cuts off?

My boiler has starting making a strange noise for central heating only? It was a loud tapping noise, i turn... [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]

How can I flush my central heating system?

How can I flush my central heating system it is a Potterton Boiler with 2 motorised zone valves.

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?

How can I fix my Glow-worm fuelsaver F?

When we went to turn on our central heating because of the wonderful summer weather we are having ,there was n... [Read more]