no flow from hot water taps. ariston microgenus.

[GLWH]

hi all.
today ive discovered no water flow from hot taps and i noticed that the pressure in the heating system had dropped to about 0.2 bar after i had topped it up a month ago. no sign of any leaks but am on ground floor and pipe access is difficult. have refilled the system and the radiators all get hot.
is there likely to be a leak that has caused the drop of pressure? or will it be the valve that directs the hot water between the DHW and the CH?

 

[rexee]

Hi, I don't have a solution I'm sorry but I will be interested in any responses as I am now experiencing the same problem with my micro genus 23 combi boiler. The heating is fine but the hot water runs for about 30 seconds to 1 minute and then cuts out.