How to mend ... Boiler Going Out

i have a potterton envoy40 and its been running fine and now wont light?

hi i have a potterton envoy 40 combi boiler its been working on constant for a week my partner turned it to tw... [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]

One radiator not heating to the same temperature as the others?

I recently got a new additional radiator installed and it is not heating to the same temp as the rest of the r... [Read more]

what is wrong with my ferroli optima 901?

the outside overflow is constantly leaking water and even when the boiler is off it sounds like water is being... [Read more]

Why does my Potterton Profile Boiler not fire up?

I hope some one out there can help me to diagnose the problem with my Potterton Profile which will not light.... [Read more]

Baxi 105e HW but no CH?

Hi Ive got a Baxi 105e which has developed a CH fault. Hot water works fine but flame will not remain lit whe... [Read more]

Intermittent hot water one SIME combi boiler?

I have a sime combi boiler, sorry, I dont know where to find the model number, but the heating (radiators) are... [Read more]

how can i fix my combi boiler ravenheat rsf 100?

heating is working fine but when i turn on hot water it keeps goin hot and then cold then hot then cold,can an... [Read more]

how to get boiler cover off!?

i have a potterton profile 100e and the pilot light has gone out. i can't even get the front cover off to fin... [Read more]

How do I replace flow switch on Vaillant combi. boiler?

The Pressure Differential Switch (Flow Switch) on my Vaillant Combi boiler (VCW T3W Sine 18) only works interm... [Read more]

Potterton Puma 80e - Hot Water but not heating?

There is hot water coming from the boiler; this has led me to believe that the pump is working and able to pum... [Read more]

PCB for worcester 35cdi mk2 rsf boiler?

Following the fault dianostics, given a fast flashing red lamp, on J flowchart in the owners manua (The fan no... [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]

Vokera Excell. Heating system ok but no hot water!!?

Our boiler is operating ok but we are not getting any hot water. If the boiler is not running,usually it kicks... [Read more]

Re Glow.Worm Micron 50FF Fault?

Hi can anyone help with this one, had the above boiler for under 3 years, lately the heating would just turn o... [Read more]

Fan noise from Potterton Puma 80 - 100?

There is a constant fan noise coming from my Potterton Puma boiler (either 80 or 100 series). It goes away wh... [Read more]

How can I fix my Vaillant boiler?

How can I re-start my vaillant boiler and what do I do if the "pressure" level is bellow 1? The boiler starts... [Read more]

240 combi boiler?

my worcester 240 combi boiler will not supply me hot water on demand but when the heating is on it runs warm,w... [Read more]

how can I fix my central heating boiler?

I have a Ferolli 77CF combi bolier 1993. If we turn on the hot water we have to continually hold down the pilo... [Read more]

hot rads but water runs cold or just warm?

the only way to get hot water is to turn heating down low what is wrong with my combie boiler