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Worcester Bosch Greenstar 42CDi EA flashing?

EA and blue light flashing on my boiler. All help seen so far suggests a frozen pipe but this can't be the cas... [Read more]
Mend Heating, Home Heating Systems

how do I reset the pressure relief valve on a worcester bosch combi?

I opened the valve to repressurise my worcester bosch condensing combi and forgot about it (My grandaughter wa... [Read more]
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FC fault?

Radiators hot all the time,Fault FC? Thermostat TR2, boiler:Worcester Bosch RD532i. Multifunction display s... [Read more]
Mend Heating, Home Heating Systems

Radiators hot all the time,Fault FC?

Radiators hot all the time,Fault FC? Thermostat TR2, boiler:Worcester Bosch RD532i. Multifunction display s... [Read more]
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should I change my Thorn boiler?

House was built in 1980's and has the original Thorn boiler. Should I change to Worcester Bosch?
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Worcester Bosch green star 30si?

The reset button and spanner light flash every second. All functions work, pressure ok. Reset boiler and the s... [Read more]
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no power?

no power to 1519 bosch worcester heat slave oil boiler
Mend Heating, Home Heating Systems

Radiators hot all the time,Fault FC?

Thermostat TR2, boiler:Worcester Bosch RD532i. Multifunction display shows fault FC,Text display shows Please... [Read more]
Mend Heating, Home Heating Systems

worcester bosch combi boiler?

sometimes the hot water does not come on,sometimes the central heating does not come on, how do you fix it ?
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Ihave a worcester bosch greenstar 30Si with a digital optimiser?

I have a worcester bosch greenstar 30Si combi boiler with a digital optimiser. The heating is full on and the ... [Read more]
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How do I program the timer on my Worcester Bosch 280rsf boiler?

Please can you tell me how I can program the time to set my boiler (Worcester Bosch 280) on and off, either on... [Read more]
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My Worcester Bosch highflow 400 will not re ignite?

My boiler will not ignite as describe in the manual by turning off the power, then turning on and turning the ... [Read more]
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how do i fix an air flow fault on the water heating side of a combi boiler?

how do i fix an air flow fault on the hot water side of a worcester bosch 25 si ll combi boiler
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Bosch Worcester CD24i not delivering hot water properly?

When hot tap turned on water demand light comes on and burner ignites, water begins to get warm. Then after ab... [Read more]
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What does -//- mean flashing on my Worcester Bosch 37cdi, no heating!?

I think there is something wrong with my thermostate, as the heating was coming on and off at it's own pleasur... [Read more]
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hot water temperature fluctuates?

boiler starts hot then goes cool. i have to reduce tap flow to get it hot again. its a worcester bosch 240
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How can I fix the noise on my Boiler and stop it loosing pressure?

The problem appears to be the pilot light on my boiler (Worcester Bosch 230 RSF combi ). When switched on it s... [Read more]
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Heating Home Heating Systems?

My Bosch Worcester 40 CDI has a problem the water isn't getting that hot but the radiators are working fine an... [Read more]
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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]
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worcester bosch greenstar 24i?

central heating not working, hot water yes. no fault indications reset no effect. burner on green light comes... [Read more]

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