Waterway Pump Union [2-1/2" Union x 2" Slip] (400-5990) harwil or no longer matches the

or no longer matches the rest of the drain assembly

this air control box helps support dependable function control

a complete wet-end replacement can make the repair feel much more complete

Designed for compatible MP

A chlorinator lid is useful because it helps close and protect the feeder chamber while allowing access for tablet refills and routine maintenance

Waterway Pump Union [2-1/2" Union x 2" Slip] (400-5990) harwil or no longer matches theThe Waterway 400 5990 pump union is designed for compatible pump plumbing applications using a 2 1 2 inch union connection and a 2 inch slip outlet. This style is useful where the pump side must retain a larger union format while the downstream plumbing transitions into a smaller rigid line. That size change makes this Waterway union especially practical in retrofit and replacement work where the pump connection and the existing plumbing do not match