Waterway 6-Port Water Manifold [1-1/2" Spigot x 1-1/2" Slip x (6) 3/4" Smooth Barb Shur-Grip] (672-4680) circuitbreakers A union is useful because

A union is useful because it allows the line to be disconnected more easily for service

Improves replacement accuracy and long-term usability

0 HP XP2 Impeller is designed to restore proper water movement and pressure in compatible XP2 pump systems

and this Grundfos version is a single-speed 0

Waterway 6-Port Water Manifold [1-1/2" Spigot x 1-1/2" Slip x (6) 3/4" Smooth Barb Shur-Grip] (672-4680) circuitbreakers A union is useful becauseThe Waterway 672 4680 6 port water manifold is designed for compatible plumbing applications using a 1 1 2 inch spigot connection, a 1 1 2 inch slip connection, and six 3 4 inch smooth barb Shur Grip outlets. This style is useful where the main line needs flexible integration into the surrounding plumbing while also feeding several flexible branch lines from one centralized fitting body. The Shur Grip outlets make the manifold especially well suited