How to mend ... Burner Runs Up

Worcester Greenstar CDi Boiler will not light?

Worcester Greenstar 40 CDi Conventional Boiler GC number 41-311-72 will not light. New boiler last year, OK un... [Read more]

How do I fix my Potterton Netaheat MkIIF 16-22?

My boiler starts it's cycle on room stat demand. The internal fan runs, the pilot ignites, after 20 secs the m... [Read more]

how do i fill my chaffeteaux et maury sterling pp combi boiler?

My boiler is showing no pressure on the guage and if i try to bleed the rads up stairs there is no water or ai... [Read more]

Worcester 350 locks out in morning only?

Hi, we inherited the boiler with the house. Everything works very well except the first start on the time swit... [Read more]

Vokera Linear 24?

New thermistor fitted,water is running hot & cold. Burner fires up & runs for about 30 secs, shuts down for ab... [Read more]

Intermittent Fault Vaillant turbomax VUW 242E?

How can I fix my Vaillant Turbomax VUW 242E? My boiler is 8 yrs old. The flame indicator illuminates but th... [Read more]

Furnace not running. What to check?

This season, the gas furnace is not running. It has never been serviced since new about 12 years ago. T-stat s... [Read more]

Baxi bahama 100 combi problem?

Hot water works fine but it sound like the fan or pump keeps running after taps turned off. when the boiler... [Read more]

to get my micron 50ff to ignite?

i have just fitted a new pcb to a micron 50ff but it will not relite even though the pump runs and the fan kic... [Read more]

myson velaire standard domestic oil boiler keeps cutting out?

AFTER INITIAL START UP THE BOILER KEEPS CUTTING OUT. THE WATER RUNS COLD BEFORE BURNER STARTS AGAIN, RADIATORS... [Read more]

Johnson & Starley JB40-50 MAF 2 Warm Air Unit not operating correctly?

This unit has the Modairflow 2 control which runs the fan from very slow to full speed using infinitely-variab... [Read more]

Potterton Puma 80E Combi overheats and trips out on hotwater cycle?

When the hot water is adjusted or moved from its minimum setting the boiler trips out. Why? Almost every part... [Read more]

Burner and pilot light go out together?

Glow-worm Space-Saver 40B MK11, runs for anything between 2 - 5 minutes, and then a click is heard and both th... [Read more]

glowworm micron 70ff boiler?

I am keep getting software errors,the boiler runs for few seconds then switches off,after 3 attemps, the reset... [Read more]

my Glow-worm spacesaver mk2 main burner does not light,?

boiler has stopped heating water, the main burner does not work, pilot light is lit, and the pump runs,new pum... [Read more]

F24 misbehaving?

For some time, there has been an intermittent problem of the HW tap in the kitchen failing to cause the boiler... [Read more]

do i need another diverter valve for my alpha 280e combi boiler?

My alpha 280e combi boiler has a problem with the hot water temperature, it fires up ok starts to heat the wat... [Read more]

how can i fix my combi ferroli 77ff?

my ferroli 77 ff (12yrs old) has just stopped . i replaced the thermocouple started it up again and for acoup... [Read more]

Sime friendly format 80E Intermittent Relight?

I have the same problem as Neil Johnson. Switch on and runs fine, when the temperature has been reached the bu... [Read more]

Vaillant VCW GB 242 EH - burner keeps burning with Heating off and DHW Off?

DHW works fine, Boiler on with tap opened, off with tap closed, but reignites after a few seconds on low flame... [Read more]