How to mend ... Central Heating Combi Boiler

worcester 24CDI - possible problem with pcb?

Hi, I hope someone can help me confirm a possible diagnosis! My combi-boiler was working well until a few ... [Read more]

central heating not working?

i have a worcester combi boiler 24 junior hot water working but as soon as switch on c/heating it runs through... [Read more]

central heating pressure problems?

i recently replaced the pressure relief valve on my halstead ace high combi boiler because the pressure kept d... [Read more]

Worcester 350 combi pressure rising to 3 bar?

Central heating pressure rises to 3 bar (initial pressure = 1 bar) and pressure valve operates. Once cooled, p... [Read more]

Halstead Finest Gold Combi Boiler water going cold / heating locking out?

The water is only luke warm even though i have turned the temp up and the central heating will start up and ru... [Read more]

Baxi 105HE Heating fault?

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]

repair of ravenheat 820/20 fan assisted combi-boiler?

central heating is working but no dhw.lot of banging and popping recently before failure.replaced diverter val... [Read more]

vaillant VCW GB 240 X H combi boiler?

I have a valient combi boiler and want to set up a timer for the central heating at the moment it is completel... [Read more]

why won't heating work now i've built up the pressure in biasi 24s?

i have a biasi 24s combi boiler. the pressure in the boiler has gradually dropped over the last 12 months unti... [Read more]

My vaillant 824e only either gives hot water or central heating?

My vaillant 824e combi boiler only gives hot water or central heating. If I am wanting hot water I have to swi... [Read more]

operating manual for Ferroli Optimax HE 31 C?

Where can I get a manual for this combi boiler? It has been installed in my home and the contractors didn't le... [Read more]

Any ideas what my problem is???

I have a 10 year old Ravenheat combi boiler (not sure of model, but will add when i get home later). It will o... [Read more]

How can i fix my Potterton Performa 24 combi. boiler?

My Potterton Performa 24 combi. boiler will switch on and fire up, but will not switch off. For example: If i ... [Read more]

potterton combi 80 boiler no heating?

i have a potterton combi 80 boiler i have hot water ( no taps dripping ) but no central-heating but the pump s... [Read more]

central heating ?

my potterton combi 80 boiler heats water with no problem, however the central heating does not work, i put ... [Read more]

Protherm 80e Combi Boiler?

Can anyone tell me how I reduce the boiler pressure please. It goes up to just under 3 Bar when I have the cen... [Read more]

How can I get my central heating to work again?

I have a valliant eco combi boiler & a sunvic remote thermostat & receiver. Both water & heating were working ... [Read more]

how can i find out what is wrong with worcesster 350 rsf combi bioler ?

as soon as i put my central heating on my boiler cuts completely i have to reset overheat switch but if i onl... [Read more]

How can i fix my Worcester 24i Junior combi boiler?

My boiler will not always ignite for hot water but would for central heating and the red fault light would fla... [Read more]

ariston combi boiler?

My Ariston microgenus 27 mffi.is losing pressure through the safety valve(3 bar). when the central heating is ... [Read more]