Heatmister UFH and Rad Zone

14 May 2009
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United Kingdom
Hi All,

I am currently at first fix electrical and plumbing in my renovation project. I have installed wet UFH throughout my cottage. I am now looking at control systems. I want something that will allow smart app control, as well as be easy to control locally in each room. I have settled on Heatmister Neo range.

First Question.
When the UH8 UFH wiring centre has Zone 8 configured to control a rad zone. I assume this will still fire the boiler but not the UFH Value?

Second Question.
I have Flow and Return from the boiler plumbed to close to Manifold what valves do I need to install to have a Rad zone aswell? Is it a 3 port valve or two 2 port valves? Looking at diagrams online, I seems I can do it either way. So S Plan system.

Many Thanks
Last edited:
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Answering my own questions now, haha, Question 1 is indeed the case. And looks like I need X2 2 port valves to make a S Plan system. No TRV's as I will use a stat to control the room with rads, so no bypass needed.

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