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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
Vocational, Technical or Trade Scho
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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596 satisfied customers
I have a worcester greenstar 25si and have just tried to
hi - i have a worcester greenstar 25si and have just tried to turn CH on and it doesn't fire up. hot water working fine.… read more
Andrew Smith
Andrew Smith
Engineer
Vocational, Technical or Trade Scho
4,021 satisfied customers
Rick I have a greenstar 25si boiler and the PRV triggered
Rick I have a greenstar 25si boiler and the PRV triggered yesterday i reset it and repressurised the system but now both CH and DHW are intermittent. No flashing lights checked to see if condensation … read more
Andrew Smith
Andrew Smith
Engineer
Vocational, Technical or Trade Scho
4,021 satisfied customers
Hi. I have a Worcester Greenstar 30Si wi-fi thermostat optimiser.
Hi. I have a Worcester Greenstar 30Si wi-fi thermostat optimiser. Hot water works, pressure reading on boiler OK. It is only firing up when, it seems, at the * temperature (in the middle of the night)… read more
Andrew Smith
Andrew Smith
Engineer
Vocational, Technical or Trade Scho
4,021 satisfied customers
I have a Worcester Greenstar 25Si. It give hot water
I have a Worcester Greenstar 25Si. It gives hot water but CH not working. I noticed the pressure gauge showed empty so re-pressurised to 1.5 bars, still no joy. Please help. Manny… read more
Rick Ridley
Rick Ridley
Retired, well Semi,
30 years on the tools
2,707 satisfied customers
I have a Worscester 30si Greenstar combination boiler and the
I have a Worscester 30si Greenstar combination boiler and the pressure reading is fairly high at 3 bar with the heating off. There is a constant drip outside the house from an overflow pipe. How do yo… read more
Andrew Smith
Andrew Smith
Engineer
Vocational, Technical or Trade Scho
4,021 satisfied customers
i have a greenstar 30si the hot water has stopped working and
i have a greenstar 30si the hot water has stopped working and the dial on boiler shows nil bar but have checked water pressure at taps and is fine have also checked with neighbours and their pressurs … read more
Andrew Smith
Andrew Smith
Engineer
Vocational, Technical or Trade Scho
4,021 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
14,807 satisfied customers
I have a Greenstar 25si/ 30si combi boiler. About an hour ago
I have a Greenstar 25si/ 30si combi boiler. About an hour ago it made an unpleasant noise and I turned it off at the wall. Now realise there is no pressure and the burner isn't lighting when I reset. … read more
Andrew Smith
Andrew Smith
Engineer
Vocational, Technical or Trade Scho
4,021 satisfied customers
hi, i have a greenstar 25Si/30Si combination boiler the blue
hi, i have a greenstar 25Si/30Si combination boiler the blue light is on but it won't fire up after pressing reset button. There's no pressure after bleeding radiators?… read more
Rick Ridley
Rick Ridley
Retired, well Semi,
30 years on the tools
2,707 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
Vocational, Technical or Trade Scho
4,021 satisfied customers
My Greenstar boiler heats the water, but will not heat the
My Greenstar boiler heats the water, but will not heat the radiators: I have bled the radiators and topped the system back up with cold water to approx 2 Bar. The boiler was turned off when I bled the… read more
Andrew Smith
Andrew Smith
Engineer
Vocational, Technical or Trade Scho
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
Vocational, Technical or Trade Scho
4,021 satisfied customers
With a Watts industries pressure vessel in the system and the
With a Watts industries pressure vessel in the system and the only pressure gauge that can be seen (just above it) reading zero, does this mean the vessel should be charged to 4 bar iaw the label on t… read more
Rick Ridley
Rick Ridley
Retired, well Semi,
30 years on the tools
2,707 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
Hello. I have a Greenstar 25Si/30Si Condensing Combination
Hello. I have a Greenstar 25Si/30Si Condensing Combination Boiler with a Boss Therm Programmable Room Thermostat (BPS242RF) and a Boss Therm BR1 Receiver. Problem, lots of hot water on tap (sorry), bu… read more
Andrew Smith
Andrew Smith
Engineer
Vocational, Technical or Trade Scho
4,021 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
Vocational, Technical or Trade Scho
4,021 satisfied customers
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