Worcester 24cdi rsf poor central heating

[Jaigee]

Hello

Wondered if anyone has some idea on the problem i have with my combi boiler. Hot water is working fantastic, the problem is with central heating, the rads are not getting up to temperature. System was powerflushed & fitted with magnaclean 18 months ago, all rads bled and clean and heat uniformly, yet although they do get hot, they are not reaching a high enough temperature to effectively heat the rooms i.e. at max ch setting i can still hold the rads continually without discomfort. I am presuming its probly the ch thermistor sensor. The problem has worsened gradually over the past 2 months.

Any ideas out there?

Thanks
J

 

[bengasman]

Could be at least 5 different things; you need to get someone who is good at fault finding.

 

[Jaigee]

Thanks,

I wouldn't mind the list of the potential 5 problems, if it is likely to be a sensor thats easily replaced i will do it myself as Worcester Bosch refuse to service the boiler as they consider its position to be 'hard to get to for servicing'