How to mend ... Boiler Heating Water

Worchester Bosch 280 RSF will not supply DHW?

My boiler works OK when used on CH, but will not supply DHW when the boiler is cold, if the boiler has been he... [Read more]

My (9 year old) Vaillant combi boiler has just stopped producing hot water?

My boiler has just stopped producing hot water. The heating still works, but the hot water will not kick in. A... [Read more]

how can i fix my ravenheat combi boiler?

red light next to spanner symbol has come on and now got no hot water or heating any ideas how to sort problem... [Read more]

my boiler wont fire up?

wont fire up on heating and hot water 240v present at fan for a second then 0v is this a pcb i need to replace... [Read more]

Potterton Suprima 50?

I have a Potterton Suprima 50 boiler and the red light keeps staying on permanently (not flashing) and the gre... [Read more]

My Central Heating not working but I am getting hot water?

The Potterton Puma 80, fires up when the hot water demanded however just recently the central heating does not... [Read more]

Should my combi boiler come on when the cold tap is used..??

I have recently had a Glowworm combi (30cxi) installed - everything appear to be working fine, but I have noti... [Read more]

Heating keeps going off?

My central heating & hot water are not coming on if I turn them on at the wall or on the set timer. However, i... [Read more]

Advice desperately needed: no hot water or heating?

I am a new house owner and are having issues with the central heating and hot water. As of sunday, it went off... [Read more]

Heating coming on when running bath? (vokera excell boiler)?

My Heating is turned off at the boiler but for some strange reason everytime I run my bath (hot water) the rad... [Read more]

What does the F75 error code mean?

I have an ecotech vaillan boiler installed near 2 years ago. Right now im getting not heating and not hot wat... [Read more]

My Potterton Puma 80 has pressure build up problem!?

When the boiler is providing hot water only everything is fine, operating without any problem. But when the c... [Read more]

Boiler wont fire up?

Boiler not firing up when heating switched on or when hot water turned on at atp?

how can i fix my ferroli cobi boiler?

recently had boiler repaired but now when turning heating on the bar presure falls to zero we keep having to t... [Read more]

baxi combi 105e diverter valve?

hi i have a baxi combi 105e boiler and i have been having a problem with this when i have been turning the hot... [Read more]

Whats wrong? My hot water is not working on my Ravenheat rsf 820/20?

I have a Ravenheat combi boiler - my heating is working fine BUT my hot water is not working. To get hot wate... [Read more]

fix sp 80 how to stop rads heating up when not required ?

my combi boiler is vockera excell sp80. when my heating is turned off and i run a bath or a sink hot water t... [Read more]

how can i fix my baxi 105e?

the problem started with the boiler not firing when hot turned on also sometimes for both heating and hot wate... [Read more]

i have just iftted a new pump but the hot water and heating do not fire up?

i have just fitted a new pump the pump is working but when i turn on the hot water or heating the piolet light... [Read more]

worcester 28si II boiler?

from a cold start my worcester boiler pressure is 1 bar, but when i switch the central heating on and it warms... [Read more]