5/8″ PEX Compression adapters are used to connect 5/8″ PEX tubing to the radiant heat manifold’s outlets.
Each adapter consists of a PEX insert, a compression ring and a nut.
PEX insert is crimp style and is compatible with all types of 5/8″ PEX tubing (A, B or C).
These adapters do not require use of any PEX tools or rings simply use a crescent wrench or adjustable pliers to tighten the nut over the manifold outlet.