Plumbing Supply And More - Best Supply House supports radiant heating projects with manifolds, oxygen-barrier PEX
https://telegra.ph/How-to-Source-Quality-Fixtures-Through-a-Supply-House-Frequently-Asked-Questions-About-Sourcing-Fixtures-Through-a-Supply-House--11-03
Plumbing Supply And More - Best Supply House supports radiant heating projects with manifolds, oxygen-barrier PEX, and thermostatic mixing controls.