Klinger Ultra Clamps Are Designed For Use On Air; Water; Sewer And Gas Pipelines. The Clamps Fit A Variety Of Pipe Sizes. Suitable For Steel, Pvc, Ductile Iron, Asbestos Cement, Grp, Cast Iron And Concrete Pipes.
I installed solar in our house recently, then I bought 4 of these:
Modular Contactor 25 A 230 Vac 2 No Co Jvc2 20 25 A and connected them with Ajax Wall Switches. Now I control 3 geysers and the swimming pool pump from my phone. Easy