How to mend ... Trying Ch Boiler

vokera combi hot water issue?

Hi My hot water tap has to be on full flow in order to trigger the boiler to fire up. Can it be adjusted to f... [Read more]

baxi bahama 100 poss air in system?

have just replaced the flow switches again and boiler seems to work okay, but when one of cold taps on sinks a... [Read more]

red light flashing?

red light flashing.hot water or ch not working on ici caldaie combi boiler

Boss Therm BPS242RF showing wireless connectivity but not switching on CH ?

Had a problem with the reciever on a Boss Therm BPS242RF showing green LED indicating wireless reception and o... [Read more]

Ravenheat 85t combi. no CH but hot water is perfect ?

My boiler is not giving me CH but the hot water is fine, i spoke to my local plumbing center and he reccomende... [Read more]

Btu level?

Need to find out the boiler rating (in Btu) for the above - I know the ouput for CH is between 10.5-27.5kW and... [Read more]

boiler cuts off?

boiler cuts off and red boiler shut down light comes on after a few seconds of switching boiler on resulting i... [Read more]

Saunier Duval Combi Boiler Pressure Rises?

Hi Hopefully someone can answer this problem for me please? I have a Saunier Duval Thema Condens F30e Bo... [Read more]

Have an intermittent problem on a Sime 100 boiler?

Have an intermittent fault on a Sime100 boiler. Sometimes works fine other times does not work at all for hot... [Read more]

hot water?

my halstead ace high boiler is okay for c,h but i cant get hot water when heating is on. i have to wait for bo... [Read more]

How can I fix my mega flow HW/CH pressure problem?

The pressure gauge keeps dropping rapidly to zero and the boiler turns itself off. I have topped up the press... [Read more]

Worcester 28i Lockout?

I am an electrical engineer but have only minimum knowledge with boilers. When the boiler is asked for HW no p... [Read more]

Potterton Profile 80E Starts OK on HW but not on CH?

Boiler would start (fan running for 20 seconds) but would not complete the ignition cycle. Replaced the PCB. A... [Read more]

Hot water but no central heating?

Hi, having an odd problem with the heating today. i can get as much hot water as i want but cannot persuade... [Read more]

No Hot Water But CH is normal???

My Vokera Linea 735 boiler isn't heating up the hot water but the central heating is working perfectly. There... [Read more]

24i junior problem?

boiler hung and fitted all connections good filled and vented system and boiler .no external controls. therefo... [Read more]

Why won't my ideal boiler heat water or CH?

My boiler has decided that it no longer wants to give us hot water or CH. We have gas, and have reset it and h... [Read more]

ravenheat csi85 combi read this it will help many!?

I have a ravenheat csi85 boiler, the hot water works fine. The central heating started switching on /off, it w... [Read more]

vaillant turbomax vuw 242e problem?

guys i have a problem with a vaillant turbomax vuw 242e boiler, i get dhw but no ch the auto air vent is leaki... [Read more]

Ravenheat 84E boiler not firing up?

Hi can anyone help boiler is not firing up with ch or hw fan working , pump working pilot is sparking and has ... [Read more]