How to mend ... Water Not Heating Up Central Heating System

why does the domestic hot water keep leaking into the radiators?

the hot water for the domestic hot water is leaking into the radiators, so that even when the central heating ... [Read more]

No Central Heating - Promax 24 HE?

Hello. I have a similar system to that mentioned above. Since the weather turned colder a couple of weeks ago ... [Read more]

worcester 24i combi heating system?

hot water runs ok but no central heating. i think it may be the timer switch can i connect the wires to overri... [Read more]

Boiler water pressure?

I have a Ferroli SYS 10-23 central heating/hot water boiler with very low water pressure in the central heatin... [Read more]

Hot Water But No CH Poterton Neataheat Profile 30e-80e?

In addition the my previous question (with same title), I managed to get the Central Heating (CH) working for ... [Read more]

Hot Water but no CH Potterton Netaheat Profile 30e-80e?

In the last day or so we have noticed that we are getting hot water but no Central Heating (rads are cold etc.... [Read more]

Vaillant VCWGB242EH GC 4704413 Combi goes out immedi?

Hi, am working on the above boiler, was leaking at the auto air vent so tested the expansion vessel to find it... [Read more]

BAXI SOLO3 PFL30?

THE BOILER CENTRAL HEATING SYSTEM WORKING BUT HOT WATER IS SLITELY WARM AND NOT HOT AS SHOULD BE. WHAT CAN I... [Read more]

How can I stop my Sime Halstead Trio Whining?

Hello everybody. I have a Sime Halstead Trio boiler. When I run the hot water it fires up fine but just before... [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]

sealed water system boiler?

I have a glowworm ultimate 30BF/SS to 60BF/SS i have hot water no central heating? please help!

how can i fix my Thorn olmpic 20/35b?

Hi can you tell me how to re start this heating system, pilot light is lit the problem is i flushed the system... [Read more]

receid survey regarding water tank in the loft, what exactly is needed?

The area around the trap door and the rungs to the sliding ladders showed brown staining. This would appear ... [Read more]

How canb I fixed my grundfos central heating pump ?

The pump will not work, but the hot water system is OK

Too much preassure in Bosch boiler?

I have the problem with my central heating displaying 3 bar preasure, when I turn a tap on in the house (hot o... [Read more]

pressure loss in my Vaillant boiler?

my vaillant boiler model VC GB 242 EH is installed as a pressurised central heating & hot water system. The... [Read more]

EP2000 Potterton control box?

Hi, we have just replaced the battery in our unit, but still have the problem we were aiming to solve - which ... [Read more]

drayton digistat RF2 wireless system?

I have failed to get the central heating to come on after the summer with it being switched off. All timers... [Read more]

Re no hot water my Optomax HE 31C?

All summer the hotwater system has worked but now we have put the central heating on the water is cold. Can yo... [Read more]

Leak on Central Heating system?

A new combi boiler was fitted a few weeks ago. Prior to this, the presure on the old Combi boiler dropped to z... [Read more]