Last seen: Jul 9, 2025
Assume that this 10mm (ext diameter) PEX pipe has the usual 2mm thick walls, and that we're comparing with the more common radiator feed pipe using 15...
Well that's refreshing... a new Forum Member who starts by offering lots of data for us to chew over! 😉 Firstly, I agree with your thinking about a...
Welcome @alistairgbarron - and you are certainly not alone in the quest you mention! There are a number of possible 'solutions' being discussed here...
Please ensure that Samsung know about this topic on the RHH Forum, currently over 200 posts and 1442 'views'. There will readers here who do not yet h...
Thanks @hjd - this is becoming a bit clearer now. I think that's the key point. It seems that the UFH manifold, associated pump and the room th...
Sheesh - these instruction manuals are (too) complex. I've just looked at the FTC6 diagrams which @kev-m refers to. It's written to give you lots of p...
OK... so the point being made in the manual is that an 'ordinary' domestic central heating pump gets operated with a PWM signal, provided that it is c...
I'm pretty sure that @mike-h 's Pump-2 is a UPS15-20 (or -30) which is the type most commonly used for domestic radiator circuits. It's likely to have...
Mike H's set-up (details to follow pending any additional photos) And here's the relevant installation diagram from the Grundfos manual for Pump-2...
I'm adding the annotations for everyone else... ... especially those who will arrive at across this topic in the months and years to come 😉 Annot...
Let's label a few bits:
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