How to mend ... Hot System Central

Rayburn Driven Central Heating Problem - Upstairs Cold?

I have a Rayburn Gas CH system with a seperate pump. The cooker / boiler is in the basement kitchen with 3 ra... [Read more]

Heating works but no hot water?

I have an Ideal Icos HE15 Heat Only boiler which is about 2 years old. Last week the hot water stopped work... [Read more]

Heating system not working correctly?

My central heating system is causing me problems. The boiler fires OK, but I can only get hot water. The centr... [Read more]

Baxi 105e, no hot water if heating isn't on?

I have a Baxi 105e. The central heating works fine and when the heating is on, the hot water runs fine. Howev... [Read more]

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]

Domestic hot water?

Is there a legal maximum temperature for hot water? I live in a council owned block of flats and it has a cent... [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!

Thermostats?

I have just recently had my central heating checked after a few radiator TRV's had become stuck. The engineer... [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]