Air to Water Heat Exchanger for Enclosures – 18,930 BTUh, 230 V, NEMA 4

Item # A2W20023004 Brand: ISC Preferred

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Ideal for high ambient conditions and tough industrial environments, these air-to-water heat exchangers provide contaminant-free cooling while minimizing energy use and maintenance cost.

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Ideal for food processing plants, agricultural irrigation, waste-water treatment, automotive plants, flour milling and mining operations where water is readily available onsite.

Key Design Features:

  • Intelligent system control and monitoring with an integrated digital temperature controller and solenoid water valve to regulate temperature control and to monitor the system status.
  • Protection from outdoor contaminants with a closed loop design.
  • Constant elimination of condensate.
  • Easy maintenance with a filter free design.
  • Flexible application with the narrow body style fitting 12" deep enclosures.
  • Eliminates water and corrosion buildup in wash-down applications with a sloped roof design and seam welded shroud.
  • Ruggedly designed for manufacturing environments in powder coated steel or corrosion resistant stainless steel
  • Ambient Operating Temperature: 34°F – 140°F
  • Overall Dimensions: 50.01″ H x 15.8″ W x 8.51″ D


  • Dry contact alarm
  • Open door kill switch
  • Corrosive environment package
  • 316 Stainless Steel housing
  • Enclosure mounted controller
  • Remote monitoring options
  • Hazardous location units
  • UL Power cord
  • Accessories: Water supply shutoff valves (sold separately).


  • UL Type: 4
  • Material: Powder coated steel
  • Voltage/Phase/hz: 230V / 1 Ph / 50-60 Hz
  • Running Amps: 1.26
  • Air Flow Rate (CFM @ 0 Static Pressure): 662

Additional information

Brand ISC Preferred
Weight 70 lbs
Dimensions 15.8 × 8.51 × 50.01 in
Item Type

Cooling Capacity




50 / 60

NEMA Rating