PresAir Trol FF Switch [Center Spout] [Green Cam] [Threaded] (MTG-311A) multiplemfg This type of component is

This type of component is especially useful when the spa is designed around both therapy-pump outputs and a dedicated circulation feature

and makes supported controls easier to understand during everyday use

Helps restore the internal flow and collection structure

the seat can become less enjoyable in a way that is easy to notice

It supports reliable operation and system functionality across connected components

PresAir Trol FF Switch [Center Spout] [Green Cam] [Threaded] (MTG-311A) multiplemfg This type of component isThe PresAir Trol FF Switch [Center Spout] [Green Cam] [Threaded] (MTG 311A) is an air control or air switch component from Presair Trol, intended for compatible spa and bath systems where correct fit and responsive operation are required. The listed part number is MTG 311A, making it easier to match this item against an existing component, parts diagram, or previous service record. Key listed details include Center Spout, Green Cam, Threaded, 311A,