PresAir Trol FF Switch [Center Spout] [Green Cam] [Threaded] (MTG-311A) relayscontactors and 1/2 inch MPT connection

and 1/2 inch MPT connection give this part practical value because thermowells work best when they match the original mounting and sensor relationship closely

This version is especially useful when the installation requires 115 volt service

That helps restore timer operation through a more focused replacement of the drive component

An impeller like this is useful because it is central to water movement through the pump

Purpose-built design focused on electronics compatibility

PresAir Trol FF Switch [Center Spout] [Green Cam] [Threaded] (MTG-311A) relayscontactors and 1/2 inch MPT connectionThe 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,