PresAir Trol FF Switch [Center Spout] [Green Cam] (MCG-311A) gptools With a properly matched overlay

With a properly matched overlay in place

Helps provide simple countdown timing for compatible electrical loads

The CMP generic 9-3/8 inch weir is designed for compatible Baker Hydro style skimmer applications where the weir door needs replacement

Side-discharge design supports intended plumbing fit

Supports cleaner and more dependable wet-end service

PresAir Trol FF Switch [Center Spout] [Green Cam] (MCG-311A) gptools With a properly matched overlayThe PresAir Trol FF switch with center spout and green cam is built for compatible pneumatic control systems that depend on a specific cam and switching configuration. In air driven systems, matching the correct internal configuration can be just as important as replacing the switch itself. This version is especially useful when the original switch is no longer operating properly or when the control system needs the green cam format to preserve the