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We have 819 questions about mending 'central heating working'

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Mend Heating, Home Heating Systems

why does wind stop my ferroli optima 701 central heating boiler working ?

why does my ferroli optima 701 central heating boiler stop working properly when it is windy? When there is n... [Read more]
Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

Central Heating Comes on, When Hot water is Turned On ?

I have an old system (circa 1992). I think its is convection pumped system. I have to have the hot water turn... [Read more]
Mend Heating, Home Heating Systems

Boiler not firing?

Our central heating boiler is not firing. The electrics are working. Any ideas what the problem would be?
Mend Heating, Oil Filled Radiators

My hot water and central heating have stopped working?

I have a glow worm swift flow combination boiler and the hot water and central heating have stopped working. T... [Read more]
Mend Heating, Home Heating Systems

central heating not working ?

Air trapped somewhere and pump is not circulating how do I get that out? I am getting hot water but the heati... [Read more]
Mend Heating, Home Heating Systems

about boiler hydrometer?

I have a central heating boiler sr.no.0229L81794. The question is about the hydrometer. The hydrometer indicat... [Read more]
Mend Heating, Home Heating Systems

I have a vokera compact 24 central heating boiler which is knocking off wh?

The hot water on this boiler is working fine but the heating is only working for a couple of minute and then k... [Read more]
Mend Heating, Home Heating Systems

saunier f24e,heating not working?

i have a sunier duval f24e,the hot water works fine but when i try to use the central heating the boiler will ... [Read more]
Mend Heating, Home Heating Systems

how can i get my central heating working again?

i have changed the batteries in my controler, now i can't get boiler to run cenral heating
Mend Heating, Home Heating Systems

worcester 24i rsf combi ?

Hot water but central heating not working Engineers say it is the circuit board or the pump both expensive t... [Read more]
Mend Heating, Home Heating Systems

what causes a combi boiler to get very hot and smelly?

Hello, Can anyone help? I have a 10 year old boiler that was in good working order, no bad odours, smells or ... [Read more]
Mend Heating, Home Heating Systems

timer not working greenstar junior 28i?

central heating not coming on with the the timer switch could it be something simple or will i need anew time... [Read more]
Mend Heating, Home Heating Systems

Baxi fs601rs ?

Baxi fs601rs heating not working. Drained down system to replace a radiator, filled system back up and bled ra... [Read more]
Mend Heating, Home Heating Systems

radiators and water luke warm?

Problem with an ageing camray oil fired boiler. The boiler fires up ok and runs ok but the central heating i.e... [Read more]
Mend Heating, Home Heating Systems

Towerstat Receiver and Transmitter both look fine but boiler not firing up?

Hi I have a Towerstat RF fitted on a Heatline Boiler. Boiler appears fine, firing up for hot water etc wh... [Read more]
Mend Heating, Home Heating Systems

central heating?

hot water is ok but central heating not working
Mend Heating, Home Heating Systems

My Potterton 80e often doesn't start up anyone know why?

My Potterton 80e gas central heating and hot water boiler often won't fire up on its own . We tend to have ... [Read more]
Mend Heating, Home Heating Systems

No hot water?

We have a Junkers gas boiler CG25/CGW25 which provoides us with central heating but not hot water. Any advice... [Read more]

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