PresAir Trol FF Switch [Center Spout] [Green Cam] (MCG-311A) gptools Designed for negative-pressure indoor venting

Designed for negative-pressure indoor venting setups

Helps provide simple countdown timing for compatible electrical loads

Supports cleaner and more dependable wet-end service

Union from Magic Plastics with 2 inch spigot or 1-1/2 inch slip x 1-1/2 inch slip configuration

air button support

PresAir Trol FF Switch [Center Spout] [Green Cam] (MCG-311A) gptools Designed for negative-pressure indoor ventingThe 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