How to mend ... Greenstar Over Pressure

Boiler pressure will not raise when taking advised steps?

I have raised the pressure in my Worcester Greenstar 30si before. This time when I go to do it I cannot hear w... [Read more]

Greenstar cdi combi boiler - no pressure, pump on ?

Been on holiday. Returned to boiler pump coming on/off every few minutes. No water pressure, but can't reach t... [Read more]

how do i fix my combi boiler?

Ive got a Greenstar 24i junior condensing boiler which has got no pressure since bleading the radiatiors last ... [Read more]

how can i fix my worcester bosch greenstar 25si?

my boiler pressure keeps creeping up over a period of 24 hours or so causing relief Vv to lift.The filling key... [Read more]

My Worcester Greenstar 37cdi central heating won't come onot wate?

My Worcester Greenstar 37cdi central heating won't come on. The hot water is working. The Digistat sender sho... [Read more]

Greenstar 42CDi combi boiler flashing EA ??

No hot water and no central heating - pressure is in the green area. any ideas ??

Worcester Greenstar 24iJunior Combi boiler?

Have a Worcester Greenstar 24i Junior Combi boiler recently fitted. We had a problem where the pressure kept o... [Read more]

how do i charge the system Greenstar CDi combi boiler?

the pressure guage has dropped into the red. How do I charge the system with the charging key. Where doed it... [Read more]

loosing pressure?

My greenstar 30Si is loosing pressure .I have checked all pipes for leaks and all seem dry.Could this be diver... [Read more]

where is pressure guage on worcester greenstar 34i boiler?

what is correct pressure

Greenstar 30SI, digistat DT10RF, reading error code. help?

my DT10RF Digistat is reading E7. it connects to the boiler but does not show any thing other then E7 on the d... [Read more]

AWC 6 Bar pressure relief valve passing water?

Water seems to pass only on morning initial start up of Worcester Bosch Greenstar 12i/24i system boiler. I hav... [Read more]

Greenstar 28i junior with over 3bar pressure?

Was low....bled a rad upstairs now its a whopping 3bar + with a periodical red light from the CH flame indicat... [Read more]

Greenstar 30cdi boiler light?

I have a problem developed with my boiler - I am getting hot water, just no central heating. Only light that i... [Read more]

Greenstar 25Si/30Si boiler?

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

how can i fix my greenstar 30si combi?

i have got low hot water pressure on the bath hot tap all other taps are ok.

The transmitter light if flashing constantly?

I have a Worcester Bosch Greenstar 24i junior/28i junior, and the heating stopped working, i realised that the... [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]

how do regain pressure ?

how do i regain pressure with my worcester greenstar heatslave 18/25

How can I fix my Worcester greenstar 24i?

I successfully managed to fix the pressure on the system after a lot of messing with the key, but now the whit... [Read more]