How to mend ... System Boiler Hot

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]

Upstairs Hot - Downstairs Cold ???

Can any body help ? my upstairs rads are hot while the ones downstairs are cold, I've tried bleeding them with... [Read more]

Eco button turns itself on - Worcester 25Si?

Combination boiler works well and has been serviced annually for the 3 years of it's life. Now the ECO button ... [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]

My oil boiler is heating water but not the house?

I have an oil heating system which heats the water and the house and was new last year. It worked last winter ... [Read more]

WHY'S MY VAILLANT BOILER NOT FIRING UP?

My Vaillant boiler isn't firing up when heating is turned on or when hot water taps are turned on. All the se... [Read more]

Pressure dropping on worcester 241 RSF boiler?

Hi i hope someone can help me, the pressure has been dropping on our boiler and has noe gotten to the point wh... [Read more]

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]

overflow?

my system when it reaches temp boiler shuts off then a rumble from the pump and hot water shoots from the over... [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]

ferroli optimax 25c. empty boiler?

re.ferroli 25c. no hot water. no.heating. gauge shows zero. have to refill every morning. fault code f37. can... [Read more]

Boiler firing up when not on cycle?

I have what looks like a fairly old-fashioned heating system. There is a gas back boiler behind the fire in th... [Read more]

stuck with my Ariston boiler and its getting colder by the day?

Hello I have an Ariston A/27 MFF1. I have just tried the heater first time this year and found that it cuts ou... [Read more]

Heating does not come on again after running hot water tap?

BAXI 105e Instant. Can only get heating to come ON after switching OFF at mains switch for approx 10mins & swi... [Read more]

new valve and pump fitted heating fine no hot water?

Just had an engineer to fit a new c/h pump and 3 way honeywell v4073a motorised mid position valve to a combi ... [Read more]