There are a wide variety of PEX fittings available to suit your needs. The three most popular connection types are F1807 (Crimp), F1960 (Expansion) and F2080 (Expansion).

F1807 – uses PEX insert fittings that are crimped in place, using a copper crimp ring, a stainless ring with ears (Oetiker) or a stainless sleeve.  Also, the fittings are available in both lead free brass and poly (PPSU). This method can be used on all PEX tubing types (A, B or C)

F1960 – the PEX pipe is expanded and uses a ring made out of PEX to complete the connection. The fittings are available in both lead free brass and poly (PPSU). This method is only recommended for use on PEX-a or PEX-c tubing.

F2080 – the PEX pipe is expanded but this time but this time are the fitting is inserted a brass or poly ring is pulled over the connection using a tool. This is said to be the most secure PEX connection type. The fittings are available in both lead free brass and poly (PPSU). This method is only recommended for use on PEX-a or PEX-c tubing.