glow worm 24ci?

The Flow Control Valve is dripping. Boiler 5 years old. Could it be the O rings need replacing or is this a common fault needing control valve unit replacing? Any ideas where I can get replacements (the O rings are buggers to match up with anything at local plumbers merchants)

Mongo
January 2009

if the pressure reading is less than 0.7bar, re-pressurise the system to 1bar by gently opening the blue built in filling tap underneath the boiler. close the tap. If the system repeatedly loses pressure, contact your installer/service provider

Kellie-Nina
December 2007

Rob, there is a system filling device on the front right, you need to turn it clockwise and it should fill the system.

James
October 2006