Hi all,
I have a Vaillant Ecotec plus 624 in my Victorian semi which is zoned with a Heatmiser UH1-W
and has the following zones controlled by 2 port valves:
1 Kitchen/diner UFH (3 port manifold)
2 Lounge and hall rads - now replaced with 2 port manifold and UFH
3 Upstairs rads,
4 hot water...