How to mend ... Greenstar Over Pressure

bosch greenstar 30si combi?

pressure gauge low but when i turn water valve open no water enters engineer cant find the problem, boiler is... [Read more]

My Worcester Greenstar 24Ri stopped working?

My Worcester Greenstar 24Ri stopped working and it wont fire up. The Burner green light comes on and the syste... [Read more]

Worcester Bosch Greenstar 30 CDI?

Pressure keeps dropping off over 24 /36 hours. Usually set at 1.5 bar. Anyone suggest cause/actions I can ta... [Read more]

how can i fix my worcester greenstar 28i junior ?

burner on indicator light not showing pressed master switch nothing happening ,pressure ok seems to be no po... [Read more]

Location of small condensing tank?

Can anyone tell me the location of the small condensing tank in the 24i junior greenstar - the boiler appears ... [Read more]

Hot / Cold Water - Worcester Greenstar 37CDi Combi?

When I turned the shower on this morning the water went through bursts of hot water for about 1 minute then co... [Read more]

I have a greenstar 25cdi gas condensing boiler. ?

The hot water temperature is'nt always getting hot. Never cold but sometimes lukewarm , sometimes hot? The c... [Read more]

how to reduce pressure- bar is beyond 2 ( greenstar 25Si)?

How to reduce the pressure back to recommmended bar? The pressure was on zero and tried to raise it but valv... [Read more]

Worcester Bosch Greenstar 42CDi EA flashing?

EA and blue light flashing on my boiler. All help seen so far suggests a frozen pipe but this can't be the cas... [Read more]

Greenstar CDi combi boiler overheating?

Hi, Greenstar CDi combi boiler 3 years old. Top floor radiators cold so bled, this dropped water pressure to z... [Read more]

worcester greenstar 30 si think its the pcb?

Can anyone shed any light. Gone to a customer boiler in lockout indicating ignition fault. Reset boiler pump c... [Read more]

Worcester combi greenstar intermittently not starting up/EA error code?

We have a 3yr old Worcester Greenstar combi boiler that is playing up. It has been intermittently not firing ... [Read more]

my pilot light has gone out on our Greenstar 30CDI, how do I re-light it?

My heating has been working intermittently this afternoon after working completely fine for that last couple o... [Read more]

worcester greenstar?

my worcester greenstar 440 drops pressure when the hw is used it starts to make a noise like the pump is runni... [Read more]

worcester greenstar?

the pressure on the boiler when i set it at 0.9 bar rises to 3 bar yet the pressure on the washing machine say... [Read more]

Greenstar 24i?

had a service last week all fine , and never had a problem woke up today no heating or hot water boiler is f... [Read more]

How do I raise water pressure on my Greenstar 25si/ 30si?

I have a Greenstar 25si/ 30si combi boiler. About an hour ago it made an unpleasant noise and I turned it off ... [Read more]

Greenstar 20Si/30Si Worchester Boiler?

I removed one radiator without following any procedure water all over the place and when i put the radiator ba... [Read more]

greenstar 24hr junior combi mk111 condensing boiler?

how do I reset the water pressure on a greenstar 24hr junior combi mk111 condensing boiler using the key, I've... [Read more]

No hot water coming in to repressurise boiler?

Worcester Greenstar 28i Junior combination boiler. When I turn the two taps to bring the pressure up to 1.5 (... [Read more]