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We have 126 questions about mending 'greenstar boiler water' in category Heating, Home Heating Systems which have been answered

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how can i fix my worcester bosch gas boiler?

how can i fix my worcester bosch gas boiler? The reset button is flashing red every second and the blue light... [Read more]
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how can i fix my worcester bosch gas boiler?

The reset button is flashing red every second and the blue light every 2 seconds? We have a manuel stating ... [Read more]
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Worcester Bosch Greenstar 24i Junior boiler - No heating?

We have a Worcester Bosch Greenstar 24i Junior boiler and our thermostat is a Drayton Digistat RF1. We have ho... [Read more]
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worcester greenstar 25si boiler radiators not heating up ?

select the on posistion for heating, boiler fires up then seems to cut off after about 10 seconds, getting hot... [Read more]
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How can i top up my bosch greenstar 24i junior?

When I tryto top the boiler up water is being released.
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my worcester greenstar zwb 7-30 combi boiler will not ignite ?

it sounds as though it wants to but then nothing so i have no heating or hot water please help
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no hot water but central heating ok?

Moved into house and central heating works ok, turn on the hot water tap and water runs ok but cold. The boile... [Read more]
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The timer on my Worcester Bosh 24i junior greenstar doesn't work?

The hot water is fine, the heating works when I switch the boiler on to constant, but I can't get the timer to... [Read more]
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Boiler pressure issue (Worcester Greenstar Junior Cond Combi)?

Last night, I noticed 2 of my upstairs CH radiators were cool at the top, so I decided to 'bleed' air from the... [Read more]
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keep refilling boiler?

why do i have to top up my greenstar boiler every few weeks . i cant see any leaks or any water coming out of ... [Read more]
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Worcester Greenstar 28i Junior stops working?

Hi all I just bought a new house and the previous owner installed the Worcester Greenstar 28i Junior. I went ... [Read more]
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How do I increase the pressure on my Bosch condensing boiler?

I have a Worcester Bosch Greenstar 24i junior condensing boiler. It seems to be functioning fine - hot water a... [Read more]
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worcester 15RI lockout problems?

hi,I need help with my greenstar 15 RI which keeps going into lockout. The boiler is just outside guarantee,an... [Read more]
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Worchester greenstar CDi 35 losing pressure?

Hi, I`ve had my Worchester CDi 35 for 1 year with no problems, runs great however last month I`ve been having... [Read more]
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Tiny black bits left in the bowl/sink after running hot water. What are the?

Had Greenstar Heatslave 18/25 oil fired condensing combi boiler (Worcester Bosch) installed 4 months ago. The... [Read more]
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can i isolate the hotwater circuit from my combi boiler?

I have a leak in my hotwater circuit and cannot get a plumber, holidays etc, I have solved the problem by turn... [Read more]
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combination boiler greenstar worcester?

My new combination boiler has a timer which you can program the time the hot water comes on why is this facili... [Read more]
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my worcester 28i greenstar has no hot water?

my boiler hot water has stoped working but the heating is ok any ideas
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How can I increase water pressure on Worcester 25si?

I have a new Greenstar Worcester 25si and the water pressure has gone down to almost zero. I inserted the plas... [Read more]
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loss of pressure & cold radiators at the bottom?

We have a Worcester Greenstar R40HE combi boiler. The pressure is dropping on an almost daily basis though we... [Read more]
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