Waterway Spa Skimmer Weir [w/Foam Insert] [Grey] (550-4057) watertestkits When functions line up clearly

When functions line up clearly with what the user sees

Retrofit design

Lateral set for compatible Jacuzzi Laser 190L and 225L sand filter applications after 2003

When seal-related wear begins to affect the pump

Waterway Spa Skimmer Weir [w/Foam Insert] [Grey] (550-4057) watertestkits When functions line up clearlyThe Waterway 550 4057 spa skimmer weir is designed for compatible applications and features a foam insert in a gray finish. A weir like this is useful because it restores the moving skimmer door that helps regulate surface water entry into the skimmer body. The foam insert can be an important design detail in how the weir behaves inside the housing, so using the correct version matters. This Waterway gray replacement is especially practical when the