Hayward Main Drain/Suction Outlet Collector Tube [2-Pack] [12"x2" S] (SP1055PAK2) rolachem A header is useful because

A header is useful because it helps route water into and out of the heater while also serving as one of the major structural and sealing points in the assembly

Waterway Clearwater II filter lock nut assembly

In chemical feeder plumbing

Waterway check valve lock ring

Hayward Main Drain/Suction Outlet Collector Tube [2-Pack] [12"x2" S] (SP1055PAK2) rolachem A header is useful becauseThe Hayward collector tube set is designed for compatible main drain and suction outlet applications where the internal collector tubes need replacement. Collector tubes are useful because they help support the movement of water through the drain assembly, contributing to proper suction routing and dependable operation. This replacement is especially useful when the original tubes are cracked, damaged, clogged, or missing. Replacing both tubes