Valliant sensocomfort schematic query

[0ldskoolskater]

Hi All,

I've been trying to find a Vaillant schematic for a sealed system boiler that depicts 1 unmixed radiator, 1 mixed UFH, and DHW but have come up short, so I have created a hybrid schematic on which I'd would welcome your thoughts as to whether it would work.

I'd be looking at using new components connecting to an ecotec 428 plus:
VRC 720
VR 92
VR 71

System boiler with 1 unmixed radiator circuit and 1 mixed UFH circuit - DHW prioritised

• 0ldskoolskater
• 20 Apr 2023

Does this look viable or are further tweaks required?

Cheers

Oldskool