How to mend ... Heating Turned Works

Could a faulty diverter valve cause lockout when the taps are turned off?

I have a potterton puma 80e. The lockout light is comming on after a shower has been taken. It lights once t... [Read more]

Ravenheat CSI-85 Combi, erratic operation, any ideas?

Boiler now 2 years old. Works fine generally, however it has now started to operate even when the settings sa... [Read more]

Glow Worm Ultimate 50FF making "popping" noises?

During heating my 50FF boiler is making popping noises almost as if the water is boiling inside. It is not hap... [Read more]

potterton performa 28i combi?

we drained the sytem to do pipe alterations in bathroom, when finnished we turned all valves back on filling t... [Read more]

How do I get my Bosch WTL 5200 to heat?

My Bosch WTL 5200 runs and tumbles, but it doesn't heat, so nothing dries properly. Since the machine otherwi... [Read more]

What is causing my boiler to randomly operate the central heating?

My boiler, a Potterton Puma 80e, works fine on the hot water cycle, but randomly operates the central heating.... [Read more]

Ravenheat CSI 85 no DHW unless CH on?

Hi, I have a problem with a Ravenheat CSI 85 (18 months old) which will only give DHW when the CH is on. ... [Read more]

Vaillant ECOTEC COMBI headache?

Ive had fitted a brand ne Vaillant Ecotec combi, hot water works fine heating doesnt, it cycles on and off for... [Read more]

Central heating only works with hot water on?

My central heating will not come on unless i have turned the hot water on as well, any ideas?

How can I get the Hot water to come on when I turn the tap on my heater?

I have a Halstead Ace water heater, the central heating works fine but the water heater does not come on deman... [Read more]

Baxi bahama 100 combi problem?

Hot water works fine but it sound like the fan or pump keeps running after taps turned off. when the boiler... [Read more]

Any idea why Ravenheat 820/20 won't fire up?

pilot light is OK, when heating is turned on, fan speed changes, pump works, but the burners don't fire up. BG... [Read more]

Vaillant VCW GB 242 EH?

I have a vaillant vcw gb 242 eh boiler that was already in my flat when i bought it, i have no idea how old it... [Read more]

valiant boiler has hot water from taps but central heating doesnt work?

i have a valiant boiler the hot water works perfect intantly when the hot water tap is turned on. but when i ... [Read more]

Whats the probem with my Stelrad Group - Ideal Sprint F Combi?

The problem is with the hot tap water side of the boiler, (the central heating works fine all the time). When ... [Read more]

optima 701 ferroli does not work on central heating but it gives hot water?

My optima 701 ferroli combi boiler works very well only 0n hot water but when its knob is turned to turn on th... [Read more]

Gas dryer has quit heating?

the gas is turned on and everything works but the heating process. I'm guessing the ignitor has gone bad or... [Read more]

No hot water but central heating works on my Vaillant TURBOmax VUW 242E, 28?

Boiler does not ignite when hot water taps turned on but central heating does turn on. Can I fix this without... [Read more]

CH OK no HOT WATER on Vaillant Turbomax VUW 242 E ?

Central heating works fine, but not hot water on any taps. When I turn the taps warm water coming for few SECO... [Read more]

how can i fix my BIASI 24s combi?

central heating system works great.But the dhw does not always come on. We have to turn it on and off a few ... [Read more]