Jomar 600-05DSEL 5 Inch Lug Style Butterfly Valve, Epoxy-Coated Ductile Iron Body, Stainless Steel Disc, EPDM Seat, Lever Handle Chemical Feed Pumps Then the power supply is

Then the power supply is plugged into the controller and to any power outlet

Spare Parts for This Housing:

IAPMO Certified NSF 61-8

Replacement works with WM125VX brass water meter and WM125SSVX stainless steel water meter

UV Absorption (Beer Lambert Law)  Ranges

Jomar 600-05DSEL 5 Inch Lug Style Butterfly Valve, Epoxy-Coated Ductile Iron Body, Stainless Steel Disc, EPDM Seat, Lever Handle Chemical Feed Pumps Then the power supply isJomar 5 Inch Lug Style Butterfly Valve, Epoxy Coated Ductile Iron Body, Stainless Steel Disc, EPDM Seat, Lever Handle Features: Epoxy Coated Finish EPDM, PTFE, Buna N, or Viton Seats Available Square Stem for Direct Mount Ideal for Mounting Pneumatic and Electrical Actuators Easily Accepts Actuator with ISO 5211 Mounting Flange Seat to Flange Seal Eliminates Need for Flange Gaskets Designed for Commercial, Industrial and Potable Water Applications up