Can anyone tell me how to change the valves and a rad. I have a nightstor 100 electric heating system that works with a water tank in the airing cupboard. I have had combi boilers before and it was quite easy to bring the pressure back up. With this system there is no bar guage and I don't know where to start.
refilling the system
- Thread starter stevebidd
- Start date
post some pics 
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