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Walchem - (view all)


Intuition-9 WBL9 Boiler Controller - Fixed Relays

8 powered relays with USA pigtails prewired

USA power cord, 15 Amp

Sensor Input module (2 universal inputs)

Boiler sensor with ATC, 250 psi, 1.0 cell constant, 20 ft. cable


Walchem WCTW100PN-A

The WCTW100PN-A Series Bleed & Feed Cooling Tower Controllers are high-quality controllers designed for reliable and efficient management of cooling tower water treatment, offering advanced features and user-friendly operation.



Walchem pH Controller, Prewired 120VAC cords, Three (3) line powered relays, no mA output, pH sensor w/20ft cable, no TC, submersion mtg 1"NPT, Max 100psi, 50-158F temp limits.


Myron L - (view all)

Myron L 753II Resistivity Monitor & Controller

750 Series II Resistivity Monitor / Controller


  • Resistivity ranges: 0-20meg, Digital Read Out
  • Choice of 3½ digit display or analog meter
  • Automatic temperature compensation to 25°C
  • Isolated 0-10 VDC Recorder Output standard
  • IP65/NEMA 4X water resistant and corrosion proof enclosure
  • Built-in electronic calibration
  • Single set point/alarm standard
  • Adjustable setpoint hysteresis
  • Solid State 24 VDC Output
  • 10 amp relay operates on choice of increasing or decreasing reading
  • LEDs show “above/below” Alarm/control status
  • Push-to-test set point check
  • Internal set point discourages unauthorized adjustment
  • Selectable 115/230 VAC
  • Reliable, easily installed sensors