How to mend ... Bosch Worcester

how can i fix my worcester bosch greenstar 25si?

my boiler pressure keeps creeping up over a period of 24 hours or so causing relief Vv to lift.The filling key... [Read more]

worcester bosch 28cdi?

Hi.   pressure keeps dropping on gauge with external pipe dripping

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]

How can I fix our Worcester Bosch 350 Combi?

The Worcester Bosch 350 Combi displays nothing on the display screen. Looks like no power is getting to the Bo... [Read more]

bosch worcester 14/19cbi lockout - fires up for 1 second?

my bosch worcester 14/19cbi has lockout light flashing - when i reset it fires up for 1 second and fan comes o... [Read more]

Worcester Bosch Greenstar 24i not firing up?

I have a worcester bosch greenstar24i boiler (6 months old) which is not firing up. We have hot water but the... [Read more]

How to remove expansion vessel on Worcester 350?

Need to remove expansion vessel on worcester bosch 350 combi. Have removed fixing screw and released fixing cl... [Read more]

Worcester Bosch Greenstar 37CDi Combi showing code U9?

My boiler is showing code U9, I know this means that the temp has risen to 99 degrees. The result when I turn ... [Read more]

noisy fan on worcester bosch 240?

Each time the boiler fires up the fan has become quite noisy. In my limited knowledge sounds like could be bea... [Read more]

Worcester Bosch intermittent heating fault?

The green light on heating display flashing and is showing "off" position - it is always set on timer. Turns ... [Read more]

worcester combi bosch?

How can the pressure gage be increased with the steel bendy pipe ? At present the reading is in the red close ... [Read more]

worcester bosch junior 24i?

(worcester bosch junior 24i) Hi , This is a bit of a strange issue. When running the hot water with the ... [Read more]

how do i reignite a worcester bosch 25cdi?

i have error code "EA" but don't know how to reignite the boiler, can anyone help?

combi boiler stays on full burn?

worcester bosch 280 rsf wont switch to low burn unless i turn boiler thermo back or i turn hot tap on & get a ... [Read more]

replacing the diverter valve diaphram?

i think i need to replace my worcester bosch 240 diverter valve diaphram as im only getting hot water and no h... [Read more]

Worcester Bosch 24i Junior?

My heating has stopped working, I've tried resetting, and turning on and off, we have no hot water, or heating... [Read more]

pilot light has blown out on my wocester bosch greenstar 30cd1 combi how do?

the pilot light has blown out on my worcester bosch greenstar cd130 combi boiler how do I relight

what is the problem,40cdi bosch combi boiler keeps losing its pressure?

40cdi worcester bosch combi boilerkeeps losing pressure, what is the problem ?

bosch worcester 240 combi ?

all of a sudden there is no CH or hot water.. pressure seems Ok at 1.2bar, no leaks .. the pilot bursts into l... [Read more]

U2 error worcester bosch?

water over heating and knocking boiler off - U2 code coming up