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We have 781 questions about mending 'bosch' in category Heating, Home Heating Systems

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worcester bosch thermotechnik?

how do you do the oil presser i think my boiler not gett ing the right amount of oil
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water flowing when recharging worcester bosch?

When recharging the boiler with filling key, a lot of water pours out of the system. Is this normal?
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Worcester Bosch 25si not igniting?

Due to the recent very wet weather and strong winds, my boiler has gone into fault with flashing red light, I ... [Read more]
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How to fix my boiler?

I have a Bosch-Worcester Heatslave 12-14 combi boiler, and it is not firing on demand although we do have some... [Read more]
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24Cdi worcester bosch?

Our 24CDi worcester bosch keeps switching on the heating when thermostat and heating is turned off . Any ideas... [Read more]
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i have no heat or hot water on worcester bosch greenstar 30cdi boiler?

no heat or hot water on greenstar30 cdi, no fault code but will not reset. flame light not lighting rapid flas... [Read more]
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Bosch Therm-BR1 Receiver not receiving?

I have a Bosch Therm BR1 receiver and a BRTRF Digital room thermostat. The mains power to the house was switch... [Read more]
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worcester boiler tripping out?

my worcester bosch junior keeps tripping out can anyone tell me what the problem is
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pressure keeps rising to just under 3psi on worcester bosch 24i junior?

problems with worcester bosch 24i junior pressure keeps rising to around 3 and red warning light then flashes ... [Read more]
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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]
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worcester bosch 28cdi?

Hi.   pressure keeps dropping on gauge with external pipe dripping
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wochester bosch 30si junior boiler..problem?

boiler keeps switching its self off.blue light flashes every 2to 3 seconds,red reset light constantly.....afte... [Read more]
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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]
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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]
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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]
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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]
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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]
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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]
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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]
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how do you reset bosch junior 28i boiler ?

boiler wont light after gas running out

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