Caleffi 681555 Universal PEX Fitting is a required connection component used to connect PEX piping to the manifold inputs. It is compatible with any ASTM F876 single layer PEX piping.
- Working temperature 41 - 180 F
- Chrome Plated Nut
Although the manufacturer lists this product as a 3/4" PEX fitting (in catalogs and manuals), it will not fit 3/4" PEX.