Types of PVC pipe fittings: There are many types, including:
Elbows: Change the direction of the pipe (90-degree, 45-degree, etc.).
Couplings: Connect two straight pipe sections.
Tees: Create a three-way branch in the pipe run.
Reducers: Connect pipes of different diameters.
Caps: Seal the end of a pipe run.
Unions: Allow for easy connection/disconnection for maintenance.