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I've got a Greenstar 25Si or 30si. It's working fine, but
Hi. I've got a Greenstar 25Si or 30si. It's working fine, but one radiator isn't getting hot (the furthest from the boiler). I've tried letting more water into the system, and also bleeding the radiat… read more
Andrew Smith
Andrew Smith
Engineer
4,021 satisfied customers
I have just bled a good amount of air from the radiators,
Hi, I have just bled a good amount of air from the radiators, but now the boiler water pressure gauge is reading 0. How do I add more water into the system please? The boiler is a Worcester Greenstar … read more
Brian
Brian
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Hi - I have a greenstar 25si/30si and while the CH is on, no
Hi - I have a greenstar 25si/30si and while the CH is on, no hot water is coming out of the hot taps. The pressure gauge is at 1.5 and the radiators all seem fine. What advice do you have?… read more
Andrew Smith
Andrew Smith
Engineer
4,021 satisfied customers
I have a Greenstar 25si/30si boiler. Hot water works fine but
I have a Greenstar 25si/30si boiler. Hot water works fine but no heating and the burner on indicator light is off. Can you help?… read more
Andrew Smith
Andrew Smith
Engineer
4,021 satisfied customers
Hello Andrew, I have a Worcester Bosch Greenstar 30Si combi
Hello Andrew, I have a Worcester Bosch Greenstar 30Si combi boiler. At the moment the hot water is intermitantly hot. I have topped the Bar up to 1.5, but still the same. The burner light indicator is… read more
Andrew Smith
Andrew Smith
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4,021 satisfied customers
Water pressure below 1 bar on Greenstar 30Si Combi Mk III.How
Water pressure below 1 bar on Greenstar 30Si Combi Mk III. How to raise pressure to operating level? Thanks for help. J Mack Hay-on-Wye… read more
Rick Ridley
Rick Ridley
Retired, well Semi,
30 years on the tools
2,707 satisfied customers
I have a "Wall hung RSF Gas Fired Condensing Combination Boiler"
I have a "Wall hung RSF Gas Fired Condensing Combination Boiler" - Greenstar 25Si/30Si. Up to about an hour ago we were using the water and getting hot water from the boiler. about 30 minutes ago, i h… read more
Brian
Brian
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596 satisfied customers
hi i have problems with my worchester boiler it about 5 years
hi i have problems with my worchester boiler it about 5 years old it is model no greenstar 25si/30si it is loosing presure all the time the water is leaking out of the outlet pipe outside and i am hav… read more
canuck the pro
canuck the pro
14,825 satisfied customers
I recently had to change a radiator and drain the central heating
I recently had to change a radiator and drain the central heating system. The Worcester Bosch Greenstar combi boiler controls were all switched off. Some days later I still have not fitted the new rad… read more
Andrew Smith
Andrew Smith
Engineer
4,021 satisfied customers
How do I increase the water pressure on my Worcester Bosch
How do I increase the water pressure on my Worcester Bosch 25Si/30Si? The needle is resting on the green/red divide… read more
Andrew Smith
Andrew Smith
Engineer
4,021 satisfied customers
Hi, I have a Worcester Bosch Greenstar 25Si/30Si combo boiler.
Hi, I have a Worcester Bosch Greenstar 25Si/30Si combo boiler. The pressure had dropped so I opened the valve to put it up to 1.5bar. The next time I checked it was up at 3 bar and has stayed there si… read more
Andrew Smith
Andrew Smith
Engineer
4,021 satisfied customers
I have a greenstar 25Si/30Si boiler. We have been away for
I have a greenstar 25Si/30Si boiler. We have been away for two days and come back to find no hot water or heating. The main blue light is flashing rapidly and the pressure is on zero. We have tried re… read more
Andrew Smith
Andrew Smith
Engineer
4,021 satisfied customers
Greenstar 30Si combi loosing pressure every few hours. Water
Greenstar 30Si combi loosing pressure every few hours. Water leaking from rear of boiler. Expansion vessel?… read more
Andrew Smith
Andrew Smith
Engineer
4,021 satisfied customers
Hi i have a greenstar 25si/30si and the pressure gauge is showing
Hi i have a greenstar 25si/30si and the pressure gauge is showing close to 3 bar how do i reduce this ?… read more
Rick Ridley
Rick Ridley
Retired, well Semi,
30 years on the tools
2,707 satisfied customers
Reset button and blue button are flashing. Tried to reset twice
Reset button and blue button are flashing. Tried to reset twice by pressing reset button. Boiler made noise and steam came out of vent but it went back to flashing mode. Have no hot water or heating a… read more
Andrew Smith
Andrew Smith
Engineer
4,021 satisfied customers
we have no psi pressure, no hot water, no central heating.
we have no psi pressure, no hot water, no central heating. have reset boiler no difference. Worcester Bosch combi boiler about 2 years old Greenstar 30 DCi… read more
Rick Ridley
Rick Ridley
Retired, well Semi,
30 years on the tools
2,707 satisfied customers
Hi, I have a Worcester Bosch Greenstar 25SI combi boiler.
Hi, I have a Worcester Bosch Greenstar 25SI combi boiler. The pressure guage shows 0 bar and then rises to 2 bar when the Central heating is switched on - is this normal? Jim Lanyon… read more
Andrew Smith
Andrew Smith
Engineer
4,021 satisfied customers
I have a worcester 28cdi combi boiler its working fine, but
I have a worcester 28cdi combi boiler its working fine, but my grey pressure needle is slowing increasing in pressure the red is set at 1.5, but the grey is now over 3. Is this okay or should the pres… read more
Rick Ridley
Rick Ridley
Retired, well Semi,
30 years on the tools
2,707 satisfied customers
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