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Wastewater Treatment Plant

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Wastewater Treatment Plant Systems – Water Level Controls



Every model is designed to provide a 15-year average duty cycle with 1% failure rate and come with a Lifetime Limited Warranty. Even in the harshest conditions, Waterline Controls out-performs its competitors. This means you’ll get your money’s worth. The Water level management systems used in this application can be either pump up systems or pump down systems.

Additional Information


Electrical: Controls operate at 0.5AMPS at 110VAC Internal Relay Contacts rated 30AMPS at 250Volts Dry Contacts for BMS are rated 0.5AMPS at 60Volts. The Sensor is Intrinsically Safe.

Enclosure: 8-3/4” X 10-1/2” X 6” including the hinge and the latch. For indoor and outdoor use.
  • WLC-4500-Fill W/ Low Alarm

    WLC-4500-Fill W/ Low Alarm

    WLC-4500 – Fill w/ Low Alarm – Electronic Water Level Control | Complete Kit Includes Sensor With 50 ft. Sensor Wire, Controller, and Mounting Assembly | Fill w/ Low Alarm | TWO-CONTACT POINT SYSTEM | Custom Sensors lengths available upon request | 6-wire Dry contacts to BMS for measuring Fill “ON” time, Low Water Alarm and fault conditions. Operates any 110VAC valve & 110VAC audible alarm (Not supplied in this kit.)

  • Model: WLC-7000

    Model: WLC-7000

    Pump down or drain only system with internal diagnostic test system – WaterLine Controls™ Model WLC-7000.

  • Model: WLC-8000

    Model: WLC-8000

    Pump down or single drain with high level set point and internal diagnostic test system – WaterLine Controls™ Model WLC-8000.

  • Model: WLC-9000

    Model: WLC-9000

    Dual pump down system or dual drain with high level set point and internal diagnostic test system – WaterLine Controls™ Model WLC-9000.

  • Model: WLC-9100

    Model: WLC-9100

    Lead-lag controller dual pump down system or dual drain with alternating pumps system and high level set point. Contains internal diagnostic test system – WaterLine Controls™ Model WLC-9100.

    Lead Lag Dual Drain Controller: Lead-lag pump system dual drain high alarm