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

Mushroom-style buttons are useful because their broader top surface can make activation easier and more consistent in everyday use

2-1/2 inch slip x male pipe thread connection

or no longer holding the pump securely

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