How to mend...Worcester 28si

Change time on boiler. Clock?

How can I change the time on my boiler. It’s a Worcester Bosch model 28SI 11

Worcester 28si boiler top up?

I have a very old worester 28si and the pressure is down to around 0.4 i cannot figure out how to up the press... [Read more]

worcester 28Si II hot water fault?

My Worcester boiler heats the central heating water ok, and seems to heat the hot tap water if the central hea... [Read more]

Worcester 28si II needs re pressurising HELP!?

I have read online on how to do this and but there is no black unit with space for the white key (which I don'... [Read more]

Worcester 28si 11?

I've changed psb and fan,when I switch boiler on red light flashes straight away with CH off and not calling f... [Read more]

Worcester 28si Boiler?

My Worcester 28si Pump runs continuously when not calling for heat, have to turn the power off, can anyone he... [Read more]

worcester 28si ll?

my combi boiler keeps triping out when the heating comes on

vibrating / noisy boiler ?

hi all , have a combi boiler worcester 28si II , fire central heating up for 5 / 10 min and get awful vibratin... [Read more]

How do I recharge the water in my worcester 28si II?

I have inserted the recharging key as far as it will go and have turned in both directions but it will not rec... [Read more]

How can i fix my Worcester Bosch 28Si II?

Hi my boiler started flashing once per second and i've just been reseting it on and off for about 2 weeks putt... [Read more]

The warning light is flashing red on my worcester 28si II ?

Heating not working, red warning light flashing, ignite button doesn't seem to work, dont want to press it too... [Read more]

the water gauge on my worcester 28si combi boiler has dropped to 0 what do?

On the front panel of my worcester 28si combi boiler there is a dial which i presume is water pressure it has ... [Read more]

boiler not igniting?

i have a worcester 28si 2 combi boiler.red light flashing .try to reset still same.

How do you re charge a worcester 28si combi boiler ?

Hi I am attempting to resite some radiators and I have to drain and recharge the boiler. I know you have obta... [Read more]

Worcester 28Si boiler is leaking when heating is turned on?

Whilst the heating was on, the pressure was really low (0) (has been for a while, so we keep letting more wa... [Read more]

Worcester 28si II problem?

My boilers warning light comes on and the pressure bar goes below zero and nothing works, I have tried filling... [Read more]

Pressure fault on Worcester 28Si II?

Hi. I'm repairing my boiler after it froze. I have the central heating working now (pump and flow sensor damag... [Read more]

worcester 28si?

i have no hot water or heating when i turn the hot water on the only thing that happen is the domestic water f... [Read more]

where is the pressure valve on worcester 28Si?

spotted my sons boiler pressure gauge on almost 0!! I have a new condenser worcester and know where to fill mi... [Read more]

noisy fan ?

I have a worcester 28si combi and there is a noise when the hot water demand increases. Its like an increase i... [Read more]