How to mend ... Running Central Heating Hot

Radiaters heat up when domestic supply is running?

The boiler only heats the domestic hot water if the central heating is switched on, if the heating is switche... [Read more]

blowdown running constantly?

the pressure relief valve on my combi boiler runs every time a hot tap is opened or the central heating is run... [Read more]

Ravenheat LS100T combi boiler?

The boiler is not working on either the hot water or the central heating. When I go to switch it on the green ... [Read more]

Alpha CB28 Boiler?

Hot water will not operate unless central heating is running. How can this be fixed?

Ravenheat LS100T?

The boiler is not working on either the hot water or the central heating. When I go to switch it on the green ... [Read more]

Vaillant TurboMax Problem - Help please?

Hi, I have a Vaillant Boiler Turbo Max around 11 years old. Now the boiler has stopped working as it s... [Read more]

no water from hotwater tap, glow worm 30cxi?

Hi I checked other replies and others with a similar problem state the water is not hot but mine is not runn... [Read more]

Worcester 9.24 Electronic BF boiler, pressure keeps dropping?

Hi my boiler keeps dropping the pressure, this happens straight after the central heating goes off and sometim... [Read more]

how can i fix my boiler, valiant turbo max242E?

although the boiler is constantly giving central heating, the hot water is not always awailable or the water t... [Read more]

Sime super 90 plus problems?

Hi, We have a super Sime 90 plus boiler and about a year ago we had to change the dreaded diaphram in the dive... [Read more]

how can I fix my potterton performa 28i?

When I have the central heating running and turn on the hot water it comes out cold. I get a little warm/hot f... [Read more]

no hot water baxi combi 105e?

Hi. I'm looking for some help with a baxi 105e combi boiler. Central heating works fine but hot water only jus... [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]

Possible problem with diverter valve?

I have a Vaillant TurboMax 824e. When running hot water it initially runs warm water then cold then warm then ... [Read more]

my baxi combi instant 80e?

central heating workin fine, however the hot water when running a bath runs cold after a few seconds. the wate... [Read more]

No water running from hot tap?

I have no water symbol on my Vaillant Eco Plus boiler and when the hot water tap is turned on no water runs fr... [Read more]

Worcester 19/24CBI Problems (Over Heating, Fail to ingite)?

Hoping that someone can shed a little light on my problem or that this may help someone in a similar position.... [Read more]

how do I replace a pressure reducing valve in a worcester 24i boiler ?

My boiler is running out of pressure, there is no leak anywhere, as soon as I refill the boiler, the pressure ... [Read more]

Problem with BIASI boiler?

My BIASI 24S boiler is running the central heating OK, but will not run hot water to any of the taps or bath /... [Read more]

Puma 80?

PLEASE HELP.....? Hi, I require an experienced and competent gas engineer/boiler technician, to repair m... [Read more]