How to mend ... Changed Hot Water

Potterton Promax 24HE - No Central Heating?

Since the weather turned colder a couple of weeks ago we have been unable to have heating without the hot wate... [Read more]

chaffoteaux calydra 80 problem?

hi,iv a problem with the heating,the boiler fires up to heat the rads for about 10 secs then goes off every mi... [Read more]

boiler problemmy hot water goes very hot to cld in seconds ?

boiler goes hot and cold when taking shower changed two thermal elements but no change

expansion tank over flowing!?

i have changed ball valve in the expansion tank but it still over flows cant see any leak from ball valve or ... [Read more]

ravenheat whitestar LS80T?

Hi I have a Ravenheat whitestar LS80T and I have no central heating but still have hot runing water, if i turn... [Read more]

my heating works but no hot water?

when my heating is on and i switch to hot water as well the boiler stops i have changed the pcb but now i thin... [Read more]

Boiler will only burn for three seconds then off for three seconds?

When fully warmed up my Vokers Linea 28 starts to malfunction, it burns for about three seconds then shuts off... [Read more]

Boiler overheating and making noises Vaillant VCGB 112/142EH?

Had a new 3 port valve changed as radiators were coming on at the same time as water even though only water wa... [Read more]

FERROLLI DOMINA 80E PROBLEM STARTING IN THE COLD?

Boiler tries to start up fan goes,sparking ok, then makes a ocoilating noise and goes into red fault lock out ... [Read more]

No Central Heating - Promax 24 HE?

Hello. I have a similar system to that mentioned above. Since the weather turned colder a couple of weeks ago ... [Read more]

having problems with sime format 80 c boiler?

I have changed the diverter valve and water adjuster valve and the led light now flashing to say check smoke p... [Read more]

Worcester 9.24 Electronic. How to make it light?

I have an Worchester 9.24 Electronic combi boiler that is usualy fine. However I have gas C/H and when the gas... [Read more]

my hot water/heatinh not working properly?

hello my heating was working but my hot water wasn't. i changed the element in the emersion heater. now neathe... [Read more]

ferolli modena combi boiler?

The hot water works fine but the central heating wont come on in either clock mode or auto mode. Changed the h... [Read more]

how can i fix my valiant combi boiler?

Just had servo value changed and still not getting central heating to come on, when in constant mode and hot w... [Read more]

how can i fix my valiant combi boiler?

Just had servo value changed and still not getting central heating to come on, when in constant mode and hot w... [Read more]

Potterton Promax 24 HE - Heating without hot water problem?

Hi, I have a Potterton Promax 24 HE boiler on a pumped system. Since the start of the recent cold weather I ha... [Read more]

I CHANGED THE JUMPER SETTING TO OFF ON MY ARISTON MICROGENUS 28HE?

I CHANGED THE JUMPER SETTING TO OFF ON THE FAN & PUMP OVER RIDE , NOW I HAVE A ERROR CODE A03 SHOWING ON THE D... [Read more]

flame out light comes on falcon combi boiler?

The flame out light comes on quite a few times. The repair engineer has changed most of the parts internally b... [Read more]

Why is my water still to hot?

Previous Q & A :- I have a recently installed worcester 24i (LPG). The tap water gets very hot and after a wh... [Read more]