How to mend Bosch Junior 28i

Heating but no hot water - whats wrong?

We have heating but no hot water on Greenstar 28I Junior boiler. When looking at boiler all lights are normal... [Read more]

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Is it the condensate pipe?

Have 28i junior bosch boiler. Had frozen condensate pipe but literally over 10 kettles later, 5 hot water bott... [Read more]

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how do i reduce system pressure on greenstar 28ijunior?

I put in more water because it was it reached the red zone and I topped it up til it reached the black bar and... [Read more]

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worcester 28i junior help?

it stopped working this morning when i found the condenstate and flue both frozen with a large icycle hanging ... [Read more]

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Worcester Bosch 28i Pressure release?

My Worcester Bosch 28i junior works fine on central heating but if i run hot water at the same time as the c/h... [Read more]

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24i/28i Junior Problem?

Father christmas has brought me an early present! Please help if you can! My boiler knocked off while in use a... [Read more]

HOW CAN I FIX MY MASTER SWITCH?

My Worcester Bosch greenstar 24i/28i junior boiler is not working - the green pilot light went out so I turned... [Read more]

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worcester bosch junior 28i?

high pressure onboiler

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Siemens RDJ10 thermostat, not switching on my central heating?

I have a worcester bosch Greenstar 28i Junior combi-boiler, with a Siemens RDJ10 thermostat. I have set the ti... [Read more]

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Worcester 28i Junior, warning light carries on flashing?

I have a Worcester Bosch 28i boiler, I have increased the pressure and held the warning light button in for mo... [Read more]

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will it work boiler(worcester bosch 24i junior/28i junior)?

will a siemens wireless room thermostat work with this boiler (RDH10/RDH10RF)digital room thermostat

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How many radiators will a bosch 28i junior run?

I have 7 radiators running off my bosch 28i junior and i'm doing a loft conversion and want to add 2 small rad... [Read more]

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my wm 28i junior keeps over pressurising?

i have a two year old WB 28i junior, it is continuallygoing up to 3.5 bar then dropping to 2.0 bar. it also so... [Read more]

how to service worcester bosch 28i junior?

hi i had worcester bosch 28i junior fitted a year ago its due for a free service but the installer says theres... [Read more]

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Worscester Bosch greenstar 28i junior, no heating?

Newly installed boiler isn't firing up but we have hot water, any suggestions on what the problem might be or ... [Read more]

2

Worcester Bosch Greenstar 28i Junior RF Thermostat?

I have misplaced DT20RF Room Thermostat (part # 87161144630) so I need to manually over-ride the receiver in o... [Read more]

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worcester bosch 28i junior?

i can only get hot water from my boiler if the central heating in on if heating is off and i open hot tap boil... [Read more]

3

28i junior worcester bosch losing pressure?

My 28i junior worcester bosch boiler keeps losing pressure I have had around 10 call outs, the prv has been ch... [Read more]

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How to set clock on Worcester Bosch Greenstar 28i Junior?

Hi there, our heating doesnt go off when the time goes past the time I set it for. I cant find clock setting i... [Read more]

1

Presure reducing after use on Worcester Bosch 28i junior combi boiler?

The pressure guage on the boiler keeps going down which would suggest a leak. However when the system is check... [Read more]