How to mend ... Boiler Not Start

Potterton Profile 80E Starts OK on HW but not on CH?

Boiler would start (fan running for 20 seconds) but would not complete the ignition cycle. Replaced the PCB. A... [Read more]

oil fired domestic water boiler noisy?

On occasion, boiler wont start. Pressing reset button starts up but shuts down after about 20 secs. If the cir... [Read more]

Glow worm ultimate 55f playing up ?

Although the boiler is firing up , after about 10 minutes of heating it seems to stop, start stop start q... [Read more]

Alpha CB24 Flashing Indicator Neons, No Hot Water/Heating, please help?

On sunday I discovered my Alpha CB24 had no power. On inspection, the main terminal fuse had blown. With a bit... [Read more]

Replacing LP112 Programmer?

I'd like to replace my LP112 Programmer & TS 142 mechanical roomstat with something more accurate and with opt... [Read more]

24i junior problem?

boiler hung and fitted all connections good filled and vented system and boiler .no external controls. therefo... [Read more]

ariston flame lift?

My ariston combi runs on average about 1 hour to 2 hours and then goes to flame lift fault and wont start agai... [Read more]

ravenheat csi85 combi read this it will help many!?

I have a ravenheat csi85 boiler, the hot water works fine. The central heating started switching on /off, it w... [Read more]

My riello boiler won't start after replacing the water pump?

I replaced the water pump on my riello oil boiler yesterday and it worked for a while and now it won't work at... [Read more]

Ferroli HE31C - Hot water but no heating?

There is an error code D2 on the boiler and no matter what I try I can't make it go away. I've tried turning i... [Read more]

halstead hero boiler red light not staying on?

halstead hero boiler red light does not stay on once heating and water have been turned on. red light tries to... [Read more]

vaillant 824/e ecomax pump working, but no hot water leaving boiler?

My vaillant 824/2e ecomax on start up has fast rise in temperature up to between 80-104 c and pump stops. cent... [Read more]

Worcester 28i Junior Combi... Hot water but NO Heating ???

Hi everyone, We have a Worcester 28i Junior Combi which developed a fault this week. We have hot water fine b... [Read more]

how can i start myson velaire boiler after it ran out of oil?

now refilled the oil tank but i keep getting lock out on the boiler

halstead ace high boiler not igniting?

If anyone can help, it would be much appreciated. The pump runs ,the fan runs,the pressure switch is made and ... [Read more]

how can i fix my boiler problem?

I have a Ideal isar he24 combi boiler. when my heating is switched off and i only use the hot water running... [Read more]

my potertton 30 boiler doesn't start?

the red light is intermitent

Potterton Prima F won't light?

Hello I have a Potterton Pima F boiler that's been giving me problems (2 years ago I had the problem with dry ... [Read more]

Drayton SCR no green light?

I have read all the threads about replacing the capacitor, but my green light does not show and the boiler doe... [Read more]

fault f9?

Boiler glow worm 30 cx shows fault f9 although pressure is 1.5 bar, it is imposbsible to start it after re... [Read more]