Herga Air Switch [4 Function] [20a] [3PDT] [Thd] [White Cam] (59-345-3150) ballvalves A spring check valve helps

A spring check valve helps maintain one-way water movement in a compatible plumbing system

and this G & P Tools version is designed for that service task using the 99-366-1075 reference

0 THP systems

Fits compatible Max-Flo SP2700X pump applications

Herga Air Switch [4 Function] [20a] [3PDT] [Thd] [White Cam] (59-345-3150) ballvalves A spring check valve helpsAn air switch helps convert pneumatic button input into electrical switching action, and this Herga Electric version is a 4 function 3PDT threaded model rated at 20 amps with a white cam configuration using the 59 345 3150 reference. Multi function air switches are useful because they support more complex control sequences in systems that rely on air button activation. This part has practical value because the 3PDT layout and white cam configuration