How to mend ... 25si

Greenstar 25Si/30Si boiler?

The pressure on the boiler is at zero, how do I get more pressure, I have already bleed my radiators

Worcester Greenstar- no hot water?

Hi, i was just wondering if anyone could help... For the last few weeks my 4 year old Worcester greenstar 2... [Read more]

Greenstar 25Si boiler keeps tripping out? any idea whats wrong?

I have had the Greenstar 25Si boiler for just over 4 years, when we had the cold weather before Christmas 2010... [Read more]

pressure lost?

Hi my Greenstar 25si boiler just started to loose pressure over 16 hour period, have checked for any leaks on ... [Read more]

Worcester Bosch 25SI Recharge Key!!!?

I need to bleed rads however water level low nearly red 1 on the clock. I have located recharge key and pushe... [Read more]

worcester greenstar 25si/30si - blue light flashes 2 sec?

the reset button is flashing every second but the blue light is flashing every 2 seconds - i am without heatin... [Read more]

worcester greenstar 25SI/30sI?

I have a 25Si/30 Si but no infomation is provided in the manual as to how to change the pressure. Also any id... [Read more]

Any ideas?

We have a Worcester Bosch boiler Greenstar 25Si/30si. It has been losing pressure over the last few weeks and ... [Read more]

manual use?

How can I set my Greenstat 25Si/30Si Wocester boiler to use manualy instead of using the thermosthat? Tanks

how can i fix worcester-bosch greenstar 25si?

when the heating is on the boiler normally runs at 1 bar pressure but now for some reason when the heating is ... [Read more]

Radio Frequency signal flashing????

Hi, recently our boiler has not started along with the timer. The radio frequncy thing on the control panel fl... [Read more]

how do I pressurise my worcester 25si?

i have seen the answer relating to using the key underneath the unit, but i cannot find this on my boiler. Am ... [Read more]

cant get heating to work?

Have hot water but no heating?Not over sure how to switch on.I think I just go to timer put switch to day time... [Read more]

how to fix my water pressure?

I have just removed three radiators from my bedrooms upstairs and I have just noticed that I now have zero pre... [Read more]

Bosch Worcester 25si boiler pre 2003 model?

My system seems to have developed a fault in that despite all hot water taps being off the hot water demand li... [Read more]

How do i refill water on my Greenstar 25si/30si to bring the pressure back ?

The water pressure on my Greenstar 25si/30si is very low,how do i refill instruction manual is difficult to un... [Read more]

worcester 25si?

when i run the heating it works great for a couple of hours. then it knocks itself off. eventually it`ll come ... [Read more]

whats wrong with my worcester bosch greenstar 25si?

Hello,iv got a worc/bosch 25si/30si combi,which has been switching itself off.When i attempt to switch it on i... [Read more]

If I turn the thermostat down the boiler turns off?

Hello, Can anyone please help. I have a Worcester 25si boiler & would like to turn the thermostat down how... [Read more]

How can we top up the water pressure on a Greenstar 25Si?

We have a Greenstar 25Si/30Si. The water pressure guage is a little on the low side which means that we need t... [Read more]