Myron L (758II-121-4A) 0-2000 uS with Optional 4-20 mA Isolated Output Digital Display Isopure Water (ISO-WH1-20B) Single Stage 20" Big Blue Boy Whole House Water Filter This valve is not rated

This valve is not rated for compressed air

Formulated specifically for water with low buffer capacity where standard pH tests give inconsistent results

💧 Pro Tip: Keep a replacement band clamp seal on hand for quick maintenance

Satin chrome finish

Myron L (758II-121-4A) 0-2000 uS with Optional 4-20 mA Isolated Output Digital Display Isopure Water (ISO-WH1-20B) Single Stage 20" Big Blue Boy Whole House Water Filter This valve is not ratedThe Myron L 758II 121 4A is a precision conductivity monitor and controller that measures 0 2000 S with drift free accuracy, featuring automatic DC offset compensation and optional 4 20 mA isolated output for integration with industrial control systems. Built with IP64 NEMA 3 rated splash and corrosion proof housing, this compact 6x4. 8 inch unit delivers reliable water quality monitoring with automatic temperature compensation to 25C and a heavy duty