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Question on pex in ceiling heating.
Hi to all
Gutted my house April of 20 and now I'm to the point where the first floor ceiling (1,500 sq/ft) has been covered with OSB and is ready to receive the foam board spacers for the Pex-Al-Pex.
It's a 3k sq/ft project and I hope to have half done by the end of September. Working on my330 sq/ft. 22x15 kitchen (running pex long ways using Johns (Over your head https://www.pmmag.com/articles/96488-radiant-ceilings-are-a-great-option-in-many-systems) and I have a few questions:
*** Does the rule on only using up to 300 ft of .5 in. pex-al-pex still apply?
*** Using his layout, how many square feet can you cover (give or take) using 300 of pex?
*** If I need over 300 ft. will the Caleffi TRVs compensate for the difference somehow?
*** Is there any major changes to his ceiling heat idea before I get too far down the road?
Hope everyone had a nice 4th.
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