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

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how can i fix my bosch 24CDi combination boiler?

when i run the hot water, its starts making a banging noise and the pressure gauge jumps around? it has overhe... [Read more]
Mend Heating, Home Heating Systems

how to fit a room thermostat?

Could you draw a diagram of the wiring to the stat and from the stat to the boiler, showing what size cable to... [Read more]
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Bosch caravan boiler W135 won't light?

It is an old boiler/heater, over 10 years old. We have just turned it back on after the winter shutdown and f... [Read more]
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Worcester Bosch 35cdi - Pressure dropped/pilot out?

Hi there - I hope someone can help! The pressure has dropped on my boiler and although I have a key I cant fi... [Read more]
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noisey boiler worcester bosch 30 cdi?

I have a whirling noise in my boiler, it only occurs at times I turn on the hot water tap and the noise stops... [Read more]
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Worcester Bosch 20/25 lock out after oil ran out then refilled?

Fuel delivered. Checked fuel in pipe to filter. Still in lock out after attempting to reset for past 48 hours.... [Read more]
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worcester bosch greenstar fault code ea?

having got a plumber out who fitted a new ignition and cleaned the condensation pipe, it works for a while the... [Read more]
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bosch combi boiler C1?

leaking at outside overflow pipe
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worcester bosch 240 combi?

I am not getting any hot water from my boiler when i put the on demand switch on. If i put the Heating and wat... [Read more]
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Worcester Bosch boiler reset!!!?

Hi, Hoping someone out there can help pretty sharpish! My combo boiler seems to be playing up - I'm not able... [Read more]
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Replacement of 24i fan?

i had trouble with it a month or two ago, the upshot being that a 'new' fan was installed. i always thought it... [Read more]
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no hot water?

i have worcester bosch 240 o/f icant get hot water and the pressure at the hot taps seem low but cold ok
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Underground oil tank and Worcester Bosch Boiler intermittent cut-out Why?

We have recently installed an underground Balmoral Bunded oil tank and a Worcester Bosch Utility Condensing Oi... [Read more]
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how can i fix my worcester bosch greenstar boiler?

recently installed a greenstar 28i worcester condensing boiler, experiencing problem with condensate coming ba... [Read more]
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Worcester bosch?

No heat only hot water, changed batteries in thermo, it started up, then rads became boiling even though therm... [Read more]
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Bosch Worcester 25si boiler pre 2003 model?

My system seems to have developed a fault in that despite all hot water taps being off the hot water demand li... [Read more]
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Worcester Bosch 24i boiler ignition going on and off?

I wonder if anybody can help> I have a Worcester Bosch 24i combi boiler. I ahve noticed over the last couple o... [Read more]
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worcester bosch combi boiler 280 RSF?

On cold mornings the boiler requires between 3-6 attempts to start up. The instruction manual mentions 'if the... [Read more]
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Worcester Bosch 24Ri -Relay clicking?

Hello ! Has any one had the fan relay on this boiler click on and off randomly? This only happens when the... [Read more]
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boiler keeps filling up with no cut out just keeps filling what do i do?

worcester bosch combination boiler 24cdi - boiler keeps filling up with no cut out just keeps filling what do ... [Read more]

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