Waterway 6-Port Manifold [3/4" Barb x 3/8" (6) Smooth Barb] (672-7190) gaskets Check valves are useful because

Check valves are useful because they help prevent unwanted reverse flow that can affect the performance of connected equipment and plumbing lines

A properly selected grid helps restore intended filtration performance and contributes to cleaner maintenance

aerated effect that adds movement and energy to the spa experience

This type of part is especially useful when the main filter assembly remains serviceable and the issue is centered on the cartridge element

Waterway 6-Port Manifold [3/4" Barb x 3/8" (6) Smooth Barb] (672-7190) gaskets Check valves are useful becauseThe Waterway 672 7190 6 port manifold is designed for compatible plumbing applications using a 3 4 inch barb main connection and six 3 8 inch smooth barb outlets. This type of manifold is useful where one flexible supply line must branch into several smaller tubing lines in a compact, organized way. The all barb format makes this Waterway manifold especially practical in tubing based systems where hard pipe connections are not required. It can help