3/4-Inch Oxygen Barrier PEX-B Tubing, 100 Feet - For Radiant Floor Heating Systems

Planning a radiant heating project? This is 100 feet of 3/4-inch Oxygen Barrier PEX-B tubing, perfect for hydronic (water-based) radiant floor heating systems. The oxygen barrier layer helps prevent corrosion in metal components like boilers and radiators. It’s red in color (often used for hot water supply), with an inside diameter of 0.67 inches and outside diameter of 0.88 inches. Rated for temps up to 180°F and pressure up to 160 PSI, with a max flow around 4.6 GPM. Made from durable polyethylene, it’s flexible and easy to install in slabs, under floors, or in walls. Brand is Supply Giant, MPN PFR-R34100. Includes California Prop 65 warning (common for plastic products). Whether you’re heating a garage, basement, or whole house, PEX is the go-to for modern radiant systems. This tube is new, in original packaging, and sold as a full 100-foot coil. DIY-friendly if you’re handy, or great for professional installers. Stay warm and efficient with this quality PEX tubing.