Hello,
I stupidly was fiddling with the isolation valves in my viessmann vitodens 050-W boiler and forgot which direction they go in, I have all valves open currently, the hot and cold water, flow in and flow out valves also. Is this correct?
I stupidly was fiddling with the isolation valves in my viessmann vitodens 050-W boiler and forgot which direction they go in, I have all valves open currently, the hot and cold water, flow in and flow out valves also. Is this correct?