How to mend ... Central Heating

4 year old Valiant boiler keeps cutting in & out when heating water ?

My 4 year old Valiant boiler keeps cutting in and out when heating water for the taps and shower in the house,... [Read more]

Time clock is turned off, Hot water & heating remains on?

With the programme timer turned off for both Hot water & the central heating, the system remains on, rads & ho... [Read more]

why does the central heating come on when the thermostat is turned off alon?

why does the heating remain on when the thermostat is turn down and the heating is turned off

How can I fix my boiler in which the hot water works but the central heatin?

I have an IDEAL Mexico Super 2 RS100 boiler. It was working fine before this morning when it was noted that th... [Read more]

with the system drained, what pressure should be in the expansion tank? ?

worcester electronic 9.24. when i switch the central heating on, water pressure starts to raise from one bar u... [Read more]

Baxi Bahama 100 Central heating wont fire up?

I have checked most items cannot get pump to fire up in central heating mode followed trouble shooting steps a... [Read more]

worcester 350 combi?

hi my question is i can only get hot water when my central heating is on why ? its a combi boiler

how do I increase the pressure on worcester bosch highflow 400 combi boiler?

I have a worcester bosch highflow 400 combi boiler, about 14 years old. The hot water cuts in and out when the... [Read more]

How can I fix the hot water and heating problem with my Ferroli Domina 80E?

I have a Ferroli Domina 80E, it is an older combination system. The hot water comes on when the hot tap runs, ... [Read more]

Baxi combi 105HE boiler fault on the heating side?

I have a Baxi 105HE combi boiler. When the hot water is in demand the boiler will run ok no matter how many t... [Read more]

Ariston Eurocombi?

I have to have the central heating on to get hot water!? I had the diverter valve changed and this hasn't help... [Read more]

Water leaking from pressure valve of Baxi 80E combi Boiler?

When I put the central heating on the water leaks from the pressure valve. I keep topping the boiler up to 1 ... [Read more]

Strange Goings On with Boiler:Pressure Surging to 3+ when Hot Water Goes On?

Strange Goings On with Boiler: Pressure Surging when Hot Water Goes On I bled my radiators a few days ago... [Read more]

28i junior CH problem?

I have a fault with the central heating of my worcester 28i junior. The boiler fires up and the radiators heat... [Read more]

Potterton Flamingo II, hot water is fine but central heating doesnt ignite?

Hello I have a Potterton Flamingo II. The hot water option works no problem, but when I select either wate... [Read more]

correct water pressure in a vaillant turbotec central heating gas boiler?

i have a vaillant gas central heating system with 10 radiators and i was wondering what would be the correct p... [Read more]

How can i fix my sime friendly format 80E boiler?

When turning on the Central Heating and leaving it for approx. 30mins, the pressure keeps going over the blue ... [Read more]

Baxi Combi 133 HE Plus problems?

My girlfriend has one of these boilers which is 2-3 years old in a new build property. The timer unit on the ... [Read more]

what is wrong with my combi ?

HI, i have a potterton puma 100 combi, about 12 year old and when i switch the central heating on,after approx... [Read more]

worcester heatslave 20/25 hot water but no central heating?

the central heating has just been turned back on on my oil fired heatslave 20/25 only to find it does not work... [Read more]