Grid Controls M-310 Flow Switch [25A] [2" Slip] (57-F4-3135-T02) jets A properly selected Herga switch

A properly selected Herga switch helps preserve intended compatibility and contributes to more dependable multi-step control performance in the supported application

The Waterway 311-2140 Hi-Flo side discharge pump faceplate is designed for compatible 2 inch applications

4-button topside control panel for compatible Gecko IN

where maintaining dependable temperature feedback is essential to overall heater and control performance

Grid Controls M-310 Flow Switch [25A] [2" Slip] (57-F4-3135-T02) jets A properly selected Herga switchA flow switch helps verify water movement in a compatible system before downstream equipment operates, and this Grid Controls M 310 version is a 25 amp model with a 2 inch slip connection using the 57 F4 3135 T02 reference. This style is useful where reliable flow sensing is needed within a larger plumbing line and a more robust switch rating is preferred. The 2 inch slip fitting gives this switch practical value because it is intended for direct