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

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bosch heatslave hot water problems?

My Bosch heatslave 20/25 seems to be heating up the radiators when only the hot water timer switch is on. The ... [Read more]
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how can i fix my(worcester bosch 28 cdi) hot water goes cold?

hi, shower run cold, if i run the hot water tap in the sink or bath i get hot water, when i put the cold tap o... [Read more]
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boiler dumps water worcester bosch 240?

my boiler dumps water when the filler loop is compleatly closed ,then there is no pressure i then have to open... [Read more]
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Worcester Bosch 230 Boiler No Hot Water?!?

Hello my worcester bosch boiler is approx 10 years old. It was fully serviced approx 6 months ago. Heating is ... [Read more]
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Boiler Greenstart 24i System falshing blue light ?

I have recently had an electrician change the Main fuse box and he has been turning on and off main electricit... [Read more]
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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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how can i fix my worcester bosch 24i junior?

i have a worcester24i junior. i have heating but no hot water how can u tell if its the flow switch or the div... [Read more]
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Worcester Bosch 240 rsf demand ignite not working?

Hi I have a 240 RSF that has suffered previously from a leaking PRV, so I am familiar with represurising, ble... [Read more]
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no hot water worchester bosch 240?

when you call for hot water only, nothing happens, when you swicth to central heat and hot water the boiler fi... [Read more]
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expansion vessel - engineer correct?

Hi there, our worcester bosch 240 has had a new diverter valve fitted by a brit gas engineer. Following the... [Read more]
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BG C1 Boiler (Bosch)?

Hi I have a British Gas C1 boiler and over the last 6 years it's had 3 heat exchangers. It is now showing si... [Read more]
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How can i change the prv on my boiler?

I have a bosch worcester 28i combi. the pressure relief valve is leaking. I bought the new part, but how hard ... [Read more]
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high pressure problem british gas C1 combi boiler?

I have a worcester bosch combi boiler BG C1 4731153 [NG] the pressure keeps rising even if the heating isnt on... [Read more]
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Lock out after service on Worcester Bosch 20/25?

Can anyone help - just had my fully functioning Worcester Bosch 20/25 boiler serviced. The engineer replaced t... [Read more]
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How can i fix a fault EA, on worcester bosch HEplus40?

How can i fix a fault EA, on worcester bosch HEplus40 the igniter comes on for a bit, struggles and then fail... [Read more]
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W-Bosch 24 Si c/h boiler with the rumbles?

My 24 Si boiler; morning start-up. Kicks in then starts noisy rumbles. Pressure build-up has rapid fluctuation... [Read more]
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Advice on possible reasons for Combi Boiler problem?

I have a Worcester Bosch 28si Junior Combi Boiler, (3 years old). No problems until very recently when having ... [Read more]
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Worcester Bosch combi boiler 24Si II - hot water from taps but not shower!?

Hi Please can anyone suggest a solution to the following: My hot water seems to be ok - radiators come on... [Read more]
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my worcester bosch 350 heating system won't work!!?

my worcester bosch 350 heating system won't work!! I cannot find the gas cork switch that is being mentioned ... [Read more]
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What could the problem be - Worcester Bosch 280 combi?

I have just found that the boiler will supply hot water, but not heat the radiators. System will light the fl... [Read more]

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