Hi
I have a Valliant COMBIcompact VCW GB 240 H bolier - how do i top up the central heating water? It doesn't have a loop. Is there a valve somewhere?
Thanks in advance for your help.
Regards
Michael
I have a Valliant COMBIcompact VCW GB 240 H bolier - how do i top up the central heating water? It doesn't have a loop. Is there a valve somewhere?
Thanks in advance for your help.
Regards
Michael