WDSW-120D-A-I WDSW100 Disinfection Controller, 2 Pulse, 1 Dry Relay, DIN Cord, No Pigtails, Analog Output, ClO2 w/ Manifold, 0-20 ppm by Walchem

WDSW-120D-A-H WDSW100 Disinfection Controller, 2 Pulse, 1 Dry Relay, DIN Cord, No Pigtails, Analog Output, Free Chlorine w/ Manifold, 0-20 ppm by Walchem

WDSW-120D-A-J WDSW100 Disinfection Controller, 2 Pulse, 1 Dry Relay, DIN Cord, No Pigtails, Analog Output, Ozone w/ Manifold, 0-10 ppm by Walchem

WDSW-120D-A-K WDSW100 Disinfection Controller, 2 Pulse, 1 Dry Relay, DIN Cord, No Pigtails, Analog Output, PAA w/ Manifold, 0-2000 ppm by Walchem

WDSW-120D-A-O WDSW100 Disinfection Controller, 2 Pulse, 1 Dry Relay, DIN Cord, No Pigtails, Analog Output, Peroxide w/ Manifold, 0-2000 ppm by Walchem

WDSW-120D-A-F WDSW100 Disinfection Controller, 2 Pulse, 1 Dry Relay, DIN Cord, No Pigtails, Analog Output, Total Chlorine, 0-20 ppm by Walchem

WDSW-120D-N-I WDSW100 Disinfection Controller, 2 Pulse, 1 Dry Relay, DIN Cord, No Pigtails, No Analog Output, ClO2 w/ Manifold, 0-20 ppm by Walchem

WDSW-120D-N-A WDSW100 Disinfection Controller, 2 Pulse, 1 Dry Relay, DIN Cord, No Pigtails, No Analog Output, Free Chlorine, 0-20 ppm by Walchem

WDSW-120D-N-P WDSW100 Disinfection Controller, 2 Pulse, 1 Dry Relay, DIN Cord, No Pigtails, No Analog Output, No Sensor w/ Manifold by Walchem

WDSW-120D-N-J WDSW100 Disinfection Controller, 2 Pulse, 1 Dry Relay, DIN Cord, No Pigtails, No Analog Output, Ozone w/ Manifold, 0-10 ppm by Walchem

WDSW-120D-N-K WDSW100 Disinfection Controller, 2 Pulse, 1 Dry Relay, DIN Cord, No Pigtails, No Analog Output, PAA w/ Manifold, 0-2000 ppm by Walchem

WDSW-120D-N-O WDSW100 Disinfection Controller, 2 Pulse, 1 Dry Relay, DIN Cord, No Pigtails, No Analog Output, Peroxide w/ Manifold, 0-2000 ppm by Walchem

WDSW-120D-N-F WDSW100 Disinfection Controller, 2 Pulse, 1 Dry Relay, DIN Cord, No Pigtails, No Analog Output, Total Chlorine, 0-20 ppm by Walchem

WDSW-120H-A-I WDSW100 Disinfection Controller, 2 Pulse, 1 Dry Relay, Hardwired, Analog Output, ClO2 with Manifold on Panel, 0-20 ppm by Walchem

WDSW-120H-A-B WDSW100 Disinfection Controller, 2 Pulse, 1 Dry Relay, Hardwired, Analog Output, ClO2, 0-20 ppm, 20ft Cable by Walchem

WDSW-120H-A-L WDSW100 Disinfection Controller, 2 Pulse, 1 Dry Relay, Hardwired, Analog Output, Extended pH Range Cl2 w/ Manifold, 0-20 ppm by Walchem

WDSW-120H-A-E WDSW100 Disinfection Controller, 2 Pulse, 1 Dry Relay, Hardwired, Analog Output, Extended pH Range Free Chlorine, 0-20 ppm by Walchem

WDSW-120H-A-H WDSW100 Disinfection Controller, 2 Pulse, 1 Dry Relay, Hardwired, Analog Output, Free Chlorine with Manifold on Panel, 0-20 ppm by Walchem

WDSW-120H-A-A WDSW100 Disinfection Controller, 2 Pulse, 1 Dry Relay, Hardwired, Analog Output, Free Chlorine, 0-20 ppm, 20ft Cable by Walchem

WDSW-120H-A-N WDSW100 Disinfection Controller, 2 Pulse, 1 Dry Relay, Hardwired, Analog Output, No Sensor by Walchem

WDSW-120H-A-P WDSW100 Disinfection Controller, 2 Pulse, 1 Dry Relay, Hardwired, Analog Output, No Sensor with Manifold on Panel, 3ft Cable by Walchem

WDSW-120H-A-J WDSW100 Disinfection Controller, 2 Pulse, 1 Dry Relay, Hardwired, Analog Output, Ozone with Manifold on Panel, 0-10 ppm by Walchem

WDSW-120H-A-C WDSW100 Disinfection Controller, 2 Pulse, 1 Dry Relay, Hardwired, Analog Output, Ozone, 0-10 ppm, 20ft Cable by Walchem

WDSW-120H-A-K WDSW100 Disinfection Controller, 2 Pulse, 1 Dry Relay, Hardwired, Analog Output, PAA with Manifold on Panel, 0-2000 ppm by Walchem

WDSW-120H-A-D WDSW100 Disinfection Controller, 2 Pulse, 1 Dry Relay, Hardwired, Analog Output, PAA, 0-2000 ppm, 20ft Cable by Walchem