PresAir Trol Gunite Air Button [1-1/4" HS, 1-1/2" FD] [White] (B340WA) insiders and this Grundfos version is

and this Grundfos version is a single-speed 0

or fails to direct water cleanly between supported positions

A skimmer basket plays a direct role in keeping leaves and larger debris from moving farther into the system

This OEM DE grid is a practical service part for maintaining compatible ST40 and ST50 filter systems with the right size internal element

and this Magic Plastics UniBody version features a 1-1/2 inch spigot by 1-1/2 inch spigot configuration with a 100 psi rating using the 0402-15 reference

PresAir Trol Gunite Air Button [1-1/4" HS, 1-1/2" FD] [White] (B340WA) insiders and this Grundfos version isThe PresAir Trol gunite air button in white is designed for compatible installations using a 1 1 4 inch hole size and 1 1 2 inch face diameter. In gunite style applications, choosing the right button format helps preserve both fit and finished appearance at the control point. This version is especially useful when the original button has cracked, discolored, or no longer feels dependable during use. Replacing it can freshen the look of the