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We have 55 questions about mending 'hot cdi boiler'

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Mend Heating, Home Heating Systems

Faulty Worscester 35 CDi loosing pressure?

My Worcester 35cdi has had 4 replacement heat exchanger's in less than 10 years the first 2 were within the fi... [Read more]
Mend Heating, Home Heating Systems

Worcester bosch cdi 42 combi keeps firing every 10 mins?

I have hot water and heating but the boiler is firing up every 10 mins or so. It sounds like a tap is turned o... [Read more]
Mend Heating, Home Heating Systems

no hot water on demand worcester 24 cdi?

Hi when the hot water tap is turned on the boiler dosnt fire and the red light dosnt come on.. however when th... [Read more]
Mend Heating, Home Heating Systems

Greenstar CDi combi boiler overheating?

Hi, Greenstar CDi combi boiler 3 years old. Top floor radiators cold so bled, this dropped water pressure to z... [Read more]
Mend Heating, Home Heating Systems

how can i fix my worcheter greenstar cdi 37?

when running hot water slow from taps boiler makes noise and when in eco mode. but not in eco mode
Mend Heating, Home Heating Systems

why no heating ?

i have a worcester greenstar cdi boiler, i have hot water but no heating, hsve tried the reset button etc. the... [Read more]
Mend Heating, Home Heating Systems

air trapped in worcester bosch 40 cdi ?

My worcester Bosch 40 CDI goes down nearly every time I manually switch it to radiator mode. It may run fine ... [Read more]
Mend Heating, Home Heating Systems

WB 42 cdi hot water?

I seem to have air in the hot water system, the heating is bled and works fine, the boiler was working fine ti... [Read more]
Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

have green light flashing above overide worcester boiler?

Hi, Worcester Greenstarr CDi, have green light flashing above override and heating wont come on, have reset an... [Read more]
Mend Heating, Home Heating Systems

Greenstar 30 CDi central heating not working?

Worcester Bosch Greenstar 30 CDi boiler supporting the central heating after being off all summer. Hot wate... [Read more]
Mend Heating, Home Heating Systems

worcester cdi 24 combi ?

have changed the diverter valve diagphram, have hot water but no central heating ,it fires up pipe from boiler... [Read more]
Mend Heating, Home Heating Systems

Overheating?

Worcester 35 CDi boiler 10 years old. I have turned the heating control down to almost off and all the radiato... [Read more]
Mend Bathroom Appliances, Baths and Showers

shower banging ?

i have a giainsborough royale thermostatic mixer showrer ,i have had a banging noise for quite sometime and th... [Read more]
Mend Heating, Home Heating Systems

My worcester bosch bolier making very strange vibrating noise 30 cdi?

My worcester bosch boiler is making a very strange noise almost vibrating to the extent that it is going to bl... [Read more]
Pages 321

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