Nontoxic threaded x threaded Schedule 80 CPVC pressure-rated fittings connect to pipe and have thicker walls than Schedule 40 fittings. These pressure fittings are threaded on all connection ends. Female threads are on the inside of a fitting. Male threads are on the outside of a fitting and screw into the female threads. Threaded connections use PTFE tape to secure seal.

Nontoxic socket Schedule 80 CPVC pressure-rated flanges connect to pipe and have thicker walls than Schedule 40 flanges. Socket pressure flanges slip over pipe and secure using solvent cement.

Nontoxic socket x socket Schedule 80 CPVC pressure-rated fittings connect to pipe and have thicker walls than Schedule 40 fittings. These fittings, also called slip or hub fittings, include socket ends on all fitting connection ends. The socket ends fit over the end of pipe and require glue or adhesive to secure the connection.

Nontoxic socket x spigot Schedule 80 CPVC pressure-rated fittings connect to pipe and have thicker walls than Schedule 40. These fittings include a socket (hub or slip) end that fits over a pipe and a spigot (also known as street) end that fits inside a socket. The spigot end is necessary when a fitting connects to another fitting (not directly to a pipe). These fittings require glue or adhesive to secure the connection.

Nontoxic socket x threaded Schedule 80 CPVC pressure-rated fittings connect to pipe and have thicker walls than Schedule 40 fittings. These pressure fittings include at least one threaded end and one socket (hub or slip) fitting end. Female threads are on the inside of a fitting. Male threads are on the outside of a fitting and screw into the female threads. Threaded connections use PTFE tape to secure seal. Socket ends require glue or adhesive to secure connection.