Cooling Tower and Boiler Controllers
Products

AEGIS II Controller
The AEGIS II provides reliable control and offers the most flexible communication options to optimize efficiency and profitability for all your cooling, boiler, and wastewater or disinfection applications. more
Your benefits
- Built In Wireless Access Point and Ethernet
- Updated Keypad design for easy menu navigation
- Enhanced responsive browser views for Smart Phones and Tablets
- Fluorometer connection via 4-20mA or direct Modbus
- 8 digital inputs for multiple flow meters for status indicators
- 10 Status LED's
- Integral Data Logger
- Optional Modbus/BACnet communications
- 9 Flexible control outputs include: ON/OFF setpoint or time-based control & Frequency (Pulse) Proportional or volumetric control
- Conductivity, pH, ORP, Corrosion, Chlorine, Bromine, PAA, Chlorine dioxide, Fluorescence and more

LogR Corrosion Monitor
Readings taken every 2.5 minutes
The ProMinent LogR is a single channel corrosion rate monitor using Linear Polarization Resistance (LPR) to measure the corrosion rate of metals in cooling water treatment applications. Weight loss coupon results can take weeks or months. With the LogR, a reading is taken every 2.5 minutes giving accurate corrosion rates instantly. Select from carbon steel, copper, or admiralty sensors. more
Your benefits
Package Includes:
- Monitor, sensor, 24 V DC/120 V AC power supply
- Universal power adapter
- 3/4” sensor entry “T” fitting
- 4-20mA output
- Backplate mounting hardware
- USB flash drive with startup and O&M manuals

microFLEX M2B Controller
The ProMinent microFLEX is a powerful controller integrating built-in diagnostics with realtime monitoring in a compact design. more
Your benefits
- Boiler or Condensate Conductivity input
- Single water meter input
- Boiler status input
- Chemical feed relay
- 5 Key universal keypad
- 2 Line, 16-character backlit display
- Boiler blowdown or condensate diverter relay (solenoid valve or motorized ball valve)

microFLEX M2T Controller
The ProMinent microFLEX is a cooling tower/closed loop controller that combines the latest technology with an economical solution. Our breakthrough design offers a worry-free thermal flow switch that does not require any user adjustments or calibration. more
Your benefits
- Tower conductivity and temperature input
- Flow switch status input
- 5 Key universal keypad
- 2 Line, 16-character backlit display
- Single water meter input

multiFLEX M5B/M10B Controller
The multiFLEX is a completely customizable microprocessor that provides the highest degree of control and flexibility for your boiler system. more
Your benefits
- Flexible Control: Multiple processes can be managed using any number of combinations with one controller. Monitor softener regeneration, condensate conductivity and pH. Automate sulfite, amines, and inhibitor chemicals. Select from continuous or captured sample.
- Data Logging: Detailed data history provides sensor minimum, maximum and average per each log period. Also, records pump run times, pump feed volume, calculated drum levels, water meter volume and tower run time.
- Communications: TModem, Ethernet TCP/IP and keypad programmable. Remotely monitor and control your water treatment program on any computer and from anywhere in the world with the use of a standard web browser.
- Plug and Play Onsite Upgrades: The multiFLEX features Plug and Play technology allowing the user to perform simple and economical onsite upgrades.
- multiFLEX Advanced Technology: Maximize your treatment potential with ProMinent’s exclusive features. Rate to Volume, Rate to Stroke, Timed Cycling and Time Modulation provide progressive control, taking your program to whole new level!
- Trackster Software: Trackster 3 Software completes the package, providing the ultimate in program management. Features such as customized live views, alarm notification, graphing and reporting of all I/O data with exporting capabilities, and email of historical data are all possible with the use of this powerful tool.

multiFLEX M5T/M10T Controller
The multiFLEX is a completely customizable microprocessor that provides the highest degree of control and flexibility for your cooling tower circuit. more
Your benefits
- Flexible Control: Multiple processes can be managed using any number of combinations with one controller.
- Data Logging: Detailed data history provides sensor minimum, maximum and average per each log period. Also, records pump run times, pump feed volume, calculated drum levels, water meter volume and tower run time.
- Exclusive Thermal Flow Switch: Innovative design does not require user adjustment or calibration. Operates on 1GPM flow rate with no moving parts.
- Feed Verification: Highly accurate chemical feed with 1mL resolution. Calculates, displays and data logs chemical ppm based on system parameters. Alarms on failure to feed. Additional feature provides tank inventory and low tank level alarm without the use of level sensors.
- Communications: TModem, Ethernet TCP/IP and keypad programmable. Remotely monitor and control your water treatment program on any computer and from anywhere in the world with the use of a standard web browser.
- Plug and Play Onsite Upgrades: The multiFLEX features Plug and Play technology allowing the user to perform simple and economical onsite upgrades.
- Trackster Software: Trackster 3 Software completes the package, providing the ultimate in program management. Features such as customized live views, alarm notification, graphing and reporting of all I/O data with exporting capabilities, and email of historical data are all possible with the use of this powerful tool.

Pre-engineered Tower Packages
Take the guess work out of your cooling tower control and feed needs, with a ProMinent pre-engineered tower package. more
Your benefits
- 3/4” PVC sch 80, Maximum 150 psi / 120 oF
- Mounted on 3/8” PE backplane
- Chemical injection ports
- Y-strainer standard on all models
- Controller and Sensors ordered separately

SlimFlex 5 Controller
Introducing flexible programming with ProMinent's SlimFlex 5 Built-in WiFi Hotspot. Enhanced, responsive browser views for smart phones and tablets makes programming fast and easy! more
Your benefits
- 5 Flexible control outputs include: ON/OFF setpoint or time-based control
- Built In Wireless Access Point and Ethernet
- New Keypad design for easy menu navigation
- Enhanced responsive browser views for Smart Phones and Tablets
- No need to choose - pH and/or ORP along with conductivity all available on the SlimFlex 5 controller
- 6 digital inputs for multiple flow meters or status indicators
- 6 Status LED’s
- 5 Powered relays (2 relays are powered - 3 relays are dry contacts, and they can be powered)
- Integral Data Logger
- Conductivity, pH, ORP and Pyxis
- Email out data and alarms