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Watermatic ORP/pH Digital Controller With Flow Cell, Knob Interface
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Item #: C660
$1,480.45 & FREE Shipping
1 - In stock

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The C660 is a 120V unit with a terminal strip. It has two standard power receptacles for the ORP and pH feeder hookups. Health Department approved for commercial applications.

Selectable Features:

  • Desired ORP/pH settings
  • Manual operation
  • pH and PPM calibration
  • ORP and pH timed or continuous feed
  • Maximum feed time option
  • Safety interlock between pH and ORP
  • Front face lockouts
  • Acid/Base feed

The Watermatic C660 ORP/pH controller box contains:

  • ORP/pH Controller
  • Flow Cell with Flow Switch with parts bag
  • ORP Sensor with 10 foot cable
  • pH Sensor with 10 foot cable

Designed for easy installation and operation, the Watermatic Controllers can be used with liquid feed pumps, granular and tablet erosion feeders, ozone generators, and salt chlorinators. During the filtration cycle, the controller maintains sanitizer levels and pH balance by constantly measuring the Oxidation-Reduction-Potential (ORP) and pH balance of the water. If the sanitizer level (ORP) or pH falls below a predetermined set point, the controller activates the chemical feeder.


  • Precision chemical dosing, alleviating the highs and lows caused by organic contaminates and overfeeding.
  • Check water balance status, change current settings or start manual feed cycles from the convenience of the controller.
  • Save time and money, and protect your equipment investment.
  • Technical Details:

  • Control salt water chlorinators, granular feeders, liquid feed pumps and ozone generators.
  • Constant monitoring avoids chemical highs and lows.
  • Saves wear and tear on salt chlorine generator cells by engaging cell only when chlorine is needed.
  • Multiple feed time and feed delay options.
  • Optional Peristaltic pump for dosing (sold separately)
  • Note: This controller not warranted or recommended for use with chlorine gas systems.

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