This 3/8 in x 200 ft coil of Onix (TM) radiant tubing is used for underfloor radiant heating, snow melting, and hydronic supply and return piping installations. It is an EPDM-based, aramid fiber reinforced tube with an aluminum oxygen barrier. This tubing is highly flexible, does not expand and contract, and is ideal for underfloor applications. It is rated at 180 degrees F at 100 PSI.
Watts Radiant™ Onix Radiant Tubing, 3/8 in Nominal, PEX, 3/8 in Inside Dia, 11/16 in Outside Dia, 200 ft Length, 0.31 in Wall Thickness, 180 psi Working, 70 to 180 deg F, EPDM, Black