How to mend ... Cdi Combi Boiler

how do i charge the system Greenstar CDi combi boiler?

the pressure guage has dropped into the red. How do I charge the system with the charging key. Where doed it... [Read more]

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]

how do i fill a greenstar 42 cdi combi boiler?

how do i fill a greenstar 42 cdi combi boiler after low pressure.thanks

Worcester combi boiler pressure off scale,model 24 cdi?

Pressure needle gone past 4bar to stop pin,overflow leaking,have turned fill key other way but not done anythi... [Read more]

How can I stop my Greenstar CDi combi making loud vibrating sounds?

I turned up my central heating at the boiler, and now the boiler is making an awful vibrating sound all the ti... [Read more]

Greenstar CDi Combi Boiler, Burner Indicator Won't Light?

I wonder if anyone can help Last night my boiler's burner indicator light went off. I noticed that the water... [Read more]

Worcester 28 CDI with DHW fault?

When I turn on my hot water tap, the combi boiler fires up its usual way and supplies hot water but after 1 mi... [Read more]

how can i get my water hot?

My hot water is running stone cold but my shower is still hot, i have a combi boiler Worcester 28 CDI , any id... [Read more]

How can I fix my Greenstar CDi condensing combi boiler?

...after nearly 4 years of fault free operation from new, this morning I had no hot water & a "EA" message dis... [Read more]

Which boiler ?

I am going to have my old combi boiler replaced, but I can't decide which new boiler to go for. I have narr... [Read more]

Which Boiler ?

I am going to have my old combi boiler replaced, but I can't decide which new boiler to go for. I have narr... [Read more]

The water pressure in my Worcester 24 CDi combi boiler keeps rising?

The water pressure in my Worcester 24 CDi combi boiler keeps rising to about 5 bar even though you have to ins... [Read more]

how can i fix the hot water on my 25 cdi?

i can only get hot water when the heating is on on my combi boiler?

boiler noise?

boiler making noise like jet engin and motorbike when igniting, greenstar 27 cdi combi, have already defrosted... [Read more]

Pressure reducing on my Bosch Worcester 24 CDi Combi Boiler?

A few months ago i had problems on my boiler with 'rising' pressure. This turned out to be the Heat Exchanger ... [Read more]

Worcester/Bosch combi boiler 25 CDi ?

My Worcester/Bosch 25 CDi comi boiler has been great until now, This morning I noticed the code "SE" flashing... [Read more]

How to fix my Worcester Bosch 24 CDi Combi boiler?

My hot water causes problems in the shower, which has a mixer tap. The temperature is fine, then goes cold, th... [Read more]

pressure ?

i have a combi boiler worcester serial number 30 CDI the water pressure is low and almost in the red how do i... [Read more]

WORCESTER BOSCH CDi COMBI BOILER?

MY BOILER KEEPS STOPPING. i BELIEVE THE PIPES FITTED ON OUTSIDE WALL OF BOILER KEEP FREEZING UP AND STOPPING ... [Read more]

Worcester Bosch Greenstar 40 CDi fault?

CH on my 3 year old Worcester Bosch Greenstar 40 CDi Combi boiler has stopped working. The antanna, colon and... [Read more]