Waterway D.E. Manifold Assembly With Air Relief Assembly (550-4200) fuses A blower muffler can make

A blower muffler can make a noticeable difference in how refined and comfortable the air side of the system feels

and in-line spa filter systems where fit and function are important

This model stands out by targeting Hayward-compatible installations

Uses the MTJ-770 reference

Waterway D.E. Manifold Assembly With Air Relief Assembly (550-4200) fuses A blower muffler can makeThe Waterway 550 4200 manifold assembly with air relief assembly is designed for compatible D. E. filter applications that require both internal manifold support and air management at the filter. This combined assembly is especially useful because it brings together two important functional elements in one service oriented replacement part. When internal manifold components wear out or the air relief system is no longer operating correctly, replacing