Boiler cycle?

My boiler only fires up for about 90 seconds greenstar 4000

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Greenstar 25 combo boiler?

The washers on my worster boiler key seems to big what can I do to repressurise it

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Greenstar Highflow 440?

d5 code appeared, pressed spanner button till red then pressed ECO -- 11 appeared but still the pump does not come in - what ndoes this mean?

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Boiler not working?

My Worcester Greenstar 30CDI is not heating the boiler since I changed the batteries on the thermostat

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How do I rectify aU9 Code?

Worcester Bosch Greenstar 37CDi Combi showing code U9? My boiler is showing code U9, I know this means that the temp has risen to 99 degrees. The result when I turn the hot tap on the boiler just stop ... more

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Worcester greenstar 25si compact?

how to raise the pressure worcester greenstar25si boiler

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Worcester Bosch Greenstar ri 24kw?

WB Greenstar24kw Ri, heating working , but does not ignite for hotwater, so no hot water. (pressuried tanks) but no flashing lights/fault codes, just does not ignite for hot water

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I have a greenstar 440 displaying d5, I have tried the reset code ?

using service mode , eco button and Cs but it will not display 5a I get every other code eg 1a up to 4f then goes straight to 5b then back around and so on. I've made sure condensate trap and pipes ... more

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over pressure?

I have a greenstar 24i boiler, pressure is normal, when I turn heating on pressure increases and eventually operates pressure relief valve, pump is running and radiators get warm

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I have a Worcester Greenstar 42cdi boiler?

Water started coming out of fan casing at the bottom fan started making a weird noise water has stopped seeking Bill won't start can any one help please

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Worcester Bosch Greenstar Ri v Beast from The East?

My boiler has been struggling to reach thermostat temperature and has now started gurgling like its boiling a kettle inside also just noticed some drips of water on the worktop underneath from the pip ... more

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re pressurizing boiler?

Trying to repressurize Greenstar 28i boiler and had the key in position but when turning the neighbouring white coloured bit, anti clockwise, I get water coming out, no sound of water filling in to th ... more

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my greenstar highflow 440 boiler is showing an error code C1?

the boiler is showing a c1 error, fan speed too low, how do I fix it please?

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worcester greenstar 30Ri compact blue pulsing light?

I have a sealed /unvented cyl system, my boiler has a pulsing blue light,( not constantly flashing. ive tried the reset button to no avail any ideas

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How to rtemove stuck key from boiler?

I have pressurised my Worcester Greenstar 28i Junior boiler after several months. I am not able to remove the key. Earlier fitting it in or taking it out was not a problem. Can you advise?

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Worcester Greenstar 40CDi fan running contiously?

I have a Worcester Greenstar 40 CDi boiler which had displayed an EA fault. I rest this but all the boiler does now is run the fan continuously and nothing else.

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how to fix worcester greenstar 28i ?

locking out on hot water . fitted new flat plate and thermistor but still locking out

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how to reduce boiler pressure ?

i have set the bar pressure on my greenstar 37 cdi to high. how do I reduce it to proper level. Do I use the key to let water out or do I have to bleed radiators?

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Is a Boss BR1 compatible with any other brand?

I have a worcester Greenstar 37cdi boiler with a BOSS Therm BPS 242RF programmable timer. The timer unit itself no longer works as the screen became dislodged. I would replace it with an identical one ... more

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Worcester Greenstar 24Ri seems to have no power?

My Worcester Greenstar 24Ri boiler was working yesterday morning, but did not come on yesterday evening. It is like is has no power. I'm sure the boiler is getting power. The programmer is fed fro ... more

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