How to mend ... Boiler Will Not Heat Water

FAO Bobby Rob re sime friendly combi boiler?

you seem to know what you are talking about re sime boilers, can you help me with this one? i have a sime fri... [Read more]

Euro combi - Red light keeps coming on and cutting off boiler?

I have a Euro combi boiler and the red light keeps coming on and cutting off when in central heating mode and ... [Read more]

new heat exchanger?

Heat exchanger os leaking water when boiler is turned on

worcester-bosch 24cdi combi boilerwill not heat water?

my boiler heats the radiaters but will not heat water,we cannot get it to fill up its pressure is reading 3 li... [Read more]

vokera mynute 14se?

my boiler fire's up when not calling for heat or hot water and my pump is always runing, engineer has changed ... [Read more]

Sime Friendly Format 80e - Heat but no hot water?

Can anybody tell me how to fix my sime friendly format 80e. The heating side of it is working perfectly fine, ... [Read more]

Potterton Ultra 2 BOiler problem?

My boiler and pump starts and runs for several minutes, or longer. Then it stops and goes into lockout. If I t... [Read more]

Central Heating won't heat radiaters but do have hot tap water?

I have an Optima 700 boiler/central heating system. When I turn up the room thermostat it clicks but the boile... [Read more]

No CH with Potterton Puma 80?

I have a problem with a Potterton Puma 80 in that the CH does not appear to be working and there is no heat go... [Read more]

Would the level of the return pipe cause banging pipes?

We rescently had a new Burnham Boiler installed for a steam heat sysem. Since the installation we have had mor... [Read more]

can i fit a 2 port valve to a gravity feed heating system?

Hot water is gravity fed through the boiler and through the coil in the hot water tank to heat the water. The ... [Read more]

potterton puma 80 combi boiler?

boiler on but will not heat water or central heating - when switch tap on starts heating water and then starts... [Read more]

Boiler works but doesn't get CH to required temp?

My Alpha 240E boiler will produce hot water and some heat for central heating but it goes on for a bit then st... [Read more]

what is wrong with my worcester 15/19 combi boiler?

we put the water on and the radiators heat up - we cannot run enough hot water for a bath even if the water is... [Read more]

Why does the hot water on my Ravenheat boiler sometimes come out cool?

A Ravenheat 820/20 combi boiler, had diverter valve diaphragm replaced last year as it had perished, now occas... [Read more]

vaillant hot water problems?

got vaillant 828 turbo plus 3y old.hot water slow to cut in sometimes takes 20 mins sometimes 10 secs,have fit... [Read more]

hot water on Sime 80E Combi boiler?

what is likely problem with Sime 80E Combi boiler only giving hot water if room thermostat is calling for hea... [Read more]

vaillant woes?

hi all ,in need of a bit of help for a sick vaillant 828 turbo plus fitted about 3 years ago,a brief history... [Read more]

how can i fix my baxi combi boiler which has no hot water but the central h?

i have just moved into a house which has a baxi genesis combi.the radiators heat up fine but there is no hot w... [Read more]

How to fix a error E34?

It is Ariston microGENUS HE 28 MFFI combi condensate boiler. Ones it is heat up it shuts down, even if hot wa... [Read more]