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Tubing size, spacing, flow rate for a joist install
I had been working with NRT radiant to design my radiant system. At the time I was planning on installing radiant in a basement slab, but was not sure If I wanted to do the first floor as well.
I asked NRT to do a heat load calculation for my first floor as well (19kbtu). Additionally NRT confirmed that my HX and injection pump could handle the addition of the first floor heating zone. NRT indicated it would be fairly straight forward to add the first floor zone.
Sadly NRT is no more, and as I continue to review the documents they provided me I wish I had them design the first floor as well. Working with NRT was a pleasure, I hope they are doing well.
I'm not exactly sure how to proceed, but I think the first step would be to choose the first floor tubing, spacing flow rate etc based of the 19kbtu heat load calcs?
Thanks for any thoughts/advice etc