Oxygen diffusion is a topic often mentioned when discussing Radiant HeatSystems. Oxygen diffusion refers to the ability of oxygen to pass through certain materials such as PEX. The problem with oxygen diffusion is that it can cause corrosion of metal(iron, cast iron) components in a Radiant Heat or hydronic heating system. The solution to this problem is to use oxygen barrier PEX tubing such as Wirsbo hePEX Tubing, Mr. PEX-al-PEX Tubing, and Wirsbo Multicor Tubing. This oxygen barrier tubing will prevent oxygen from damaging any of the components in the system.
