191385 Walchem Option Board, pH/ORP, W400 Series

4-20mA Option Board, W400 series

W100W Series Plug into more options in water treatment control! Three powerful control outputs make the Walchem W100 a more versatile, high value choice among entry level water treatment controllers...

The WEL Series are modular in design with a rugged CPVC housing that contains the electronics. pH and ORP cartridges can easily be connected or replaced in minutes without tools. The cartridges...

WDS Differential pH and ORP Sensors Walchem’s WDS Series differential pH and ORP sensors will provide long-lasting and reliable performance in industrial and municipal applications. The differential...

Power relay board, W100, 3 powered, passive pH/ORP

Power relay board, W110, 3 dry, passive pH/ORP

Cable Assembly, Power, W400 Series

The Walchem 191023 is a specific repair part designed for the Chemical Metering Pump. Functionality: It combines low-pressure electrodeless conductivity measurement with pH/ORP (Oxidation-Reduction...

The Walchem 191307 is a specific repair part designed for the Chemical Metering Pump. Low Pressure pH/ORP: The repair part enables low-pressure measurement of pH or ORP (Oxidation-Reduction...