How to mend ... Bosch Combi Boiler

tepid water from worcester bosch 24cdi?

i am only getting tepid hot water from my combi boiler. central heating working fine. i have change the heat e... [Read more]

My Worcester Greenstar HE Combi boiler blows itself out. What is the fault?

My Worcester Bosch Greenstar HE combi boiler (Model: ZWB 7-27 HE combi) has developed a problem where 30 secon... [Read more]

worcester bosch combi boiler divertor valve?

Hi, I have hot water to my taps, but no heat coming from my rads. On inspection, my divertor valve on my worce... [Read more]

How do I fix My Worcester Bosch 28i rsf combi?

When the heating tries to come on it is like the ignition isn't catching properly. However I took the front c... [Read more]

Worcester 25Si ...Hot water not firing up at low pressure?

I've got a Worcester 25si around 7 years old combi, recently it decided to have a problem with the hot water. ... [Read more]

Oil Boiler Pressure Gauge fluctuating?

I have had a new Worcester Bosch Oil Condensing Combi fitted (Aug 07). The installer set the red gauge at 1.5 ... [Read more]

How can I repressurize my Worcester Bosch 350 combi boiler system?

Please can you help me? I have taken off a radeator and put it back on and bled it. But have losed the pressur... [Read more]

F C CODE worcester greenstar boiler?

can anyone tell me what the flashing fault code F C on my worcester bosch greenstar 30 plus combi means pls

Tiny black bits left in the bowl/sink after running hot water. What are the?

Had Greenstar Heatslave 18/25 oil fired condensing combi boiler (Worcester Bosch) installed 4 months ago. The... [Read more]

worcester bosch 24cdi , high pressure ?

i have just drained the system to move a rad, something i have done on a couple of previous times , i refilled... [Read more]

How can I fix my Worcester 24i RSF combi boiler?

My Worcester Bosch 24i RSF combi boiler periodocally refuses to ignite when the hot water taps are turned on o... [Read more]

change fan on worcester bosch 24 combi boiler?

I want to change the fan on the boiler I am very competent but like to have prior knowledge. Can any one offe... [Read more]

worcester combi boiler cutting out?

i have a worcester bosch 240 combi boiler, central heating works fine but when we use hot taps[especially the ... [Read more]

reduce pressure on combi?

when i bled my radiators at the weekend it emptied the boiler. So i used the loop thing to fill it again. Prob... [Read more]

why is my Worcester Bosch combi boiler losing ressure all the time the heat?

why is my Worcester Bosch combi 280 boiler losing presssure. it is fine when the heating is on but when it is ... [Read more]

High pitched noise from TRVs?

I have a Worcester/Bosch 28si combi boiler with 12 radiators. I am getting a high pitched noise from the TRVs.... [Read more]

Presure reducing after use on Worcester Bosch 28i junior combi boiler?

The pressure guage on the boiler keeps going down which would suggest a leak. However when the system is check... [Read more]

boiler will not switch off?

i have a worcester bosch combi.and it will not switch off.unless i turn it off by the plug. ?

Add a room thermostat to my Worcester Bosch 280 Combi Boiler?

Can i put a room thermostat to my worcester bosch 280 combi boiler, if yes how is it done?

Add water to sealed Worcester Bosch Highflow 400 combi boiler?

As the sealed system does not have an expansion tank, we are looking for a screw to turn 90 degrees to let wat... [Read more]