Latest revision as of 17:08, 30 July 2018

Pressure drop as a function of pipe diameter - [1]
Typical pressure rating is 80 PSI at 200F - [2]
1/25hp hydronic pump, 007-F7, covers 1-6 loops of 1/2"x250' pipe, 11 foot head, up to 20 gpm - $120

Sourcing

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 =Sourcing=
+*$62, Oxygen barrier - [https://www.ebay.com/itm/300-1-2-TRUE-Oxygen-Barrier-RED-PEX-tubing-for-in-floor-heating/281584686571?hash=item418fc155eb%3Ag%3Ahy4AAOSwn4da35mI&_nkw=oxygen+barrier+1%2F2%22+pex+300&rt=nc]
 *Oxygen barrier, 1/2" for closed loop systems $54 for 300' - [https://www.ebay.com/itm/1-2-x300ft-Pex-Tubing-Oxygen-Barrier-O2-EVOH-Red-300Ft-Radiant-Floor-Heat-US/263398132139?epid=14011735303&hash=item3d53c089ab:g:q2kAAOSw~0paOyQZ]
 *Non-oxygen barrier - 1/2" - 300' - $48 - [https://www.ebay.com/p/1-2-X-300ft-Feet-PEX-Tubing-Non-Oxygen-Barrier-Pex-b-Radiant-Floor-Heat-Red/754952850?iid=131985087734&_trkparms=aid%3D222007%26algo%3DSIM.MBE%26ao%3D2%26asc%3D49917%26meid%3Dc6fe789a6a7840d9ace1c3b9cdcf9690%26pid%3D100005%26rk%3D2%26rkt%3D6%26sd%3D263398132139%26itm%3D131985087734&_trksid=p2047675.c100005.m1851]