1000 hours of continuous use

77" X Length: 11

We get most people under 10 ppm TDS

This switch is designed to turn off the pump when the desired pressure is achieved

If your PSI is already over 50 PSI

HM Digital DM-3: In-Line TDS Meter PUMPPARTS 1000 hours of continuous useHM Digital DM 3: Commercial In Line TDS Meter This In Line Dual TDS Monitor is highly efficient and accurate due to its advanced microprocessor technology. Displays TDS levels of the Feed Water and Product Water with electrode probes. Install on industrial systems such as a car washes, window washing, manufacturing, and food processing. This model features digital calibration, low batter indicator, improved accuracy, longer batter life (2 years),