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Hi everyone
If all the covers are missing (!) how do you tell the difference? I need to know for balancing of central heating system.
Is it convention to have one on the right for example?
Hope someone can help
Thanks
SB
If all the covers are missing (!) how do you tell the difference? I need to know for balancing of central heating system.
Is it convention to have one on the right for example?
Hope someone can help
Thanks
SB