PolyScience Non-Refrigerated Recirculating Coolers

Category Chillers
Manufacturer PolyScience
Country of manufacture the United States of America

Quiet, energy-efficient heat removal. Available in both Liquid-to-Air and Liquid-to-Liquid models, PolyScience Recirculating Coolers deliver extremely quiet and energy-efficient heat removal. They provide significant cooling for set-points above ambient, without the energy consumption of refrigerated chillers.

Liquid-to-Air Cooling
Uses ambient air to cool your application. Heated process fluid is pumped through the unit's fan-cooled heat exchanger and returned to the process.

Liquid-to-Liquid Cooling
Uses your facility's water, pumped through the unit, to remove heat from your application without risk of contamination. Heat removal capacity is dependent on the facility water temperature.

Liquid-to-Air Cooler Specifications

  • Working Temperature Range: Ambient +5° to 70°C 
  • Maximum Fluid Temperature: 70°C 
  • Cooling Capacity: 4000 watts based on 24°C Δ T (water)
  • An economical solution for applications where cooling fluid temperature is higher than ambient and temperature control is not required
  • Quiet liquid-to-air cooling
  • Positive displacement or turbine pump
  • Built-in low liquid level indicator

Liquid-to-Liquid Cooler Specifications

  • Working Temperature Range: Facility water +10° to 60°C 
  • Maximum Process Temperature: 60°C 
  • Temperature Stability: ±0.4°C 
  • Cooling Capacity: 10,000 watts based on 10°C Δ T
  • Protects precision equipment from facility water contaminants
  • Quiet, energy-efficient liquid-to-liquid heat removal
  • Displays temperature and pressure or flow rate information
  • Built-in temperature and low flow alarms

Please note: PolyScience chillers are manufactured at the time the order is placed and have a 2-3 week lead time.

Key Attributes
Type Chillers
Incubation No
Refrigeration Yes
Temp Range (°C) Ambient to 70
Capacity (L)  
Circulation External Only
Brand PolyScience
MaxFlow Rate (l/min) 8.1, 20.5
Temp Stability (°C) ±0.4°C
Timer No
Alarms Yes
Digital or Mechanical Digital
Data connection No
Tank Material N/A
Sample Agitation No
Media Racks Available No
Warranty (years) 2
Weight (lb) 132
Width (in) 15
Depth (in) 20.5
Height (in) 22.4


Manufacturer Specifications


Pump 1/3 HP Positive Displacement 1/3 HP Turbine Pump
Temperature Range Ambient to 70°C
Cooling Capacity @ 20°C (W) 500 based on 3°C ΔT
1000 based on 6°C ΔT
2000 based on 12°C ΔT
3000 based on 18°C ΔT
4000 based on 24°C ΔT
Power Requirements (V/Hz) 120/60
Maximum Pressure psi (bar) 100 (6.9) 62 (4.3)
Maximum Flow gpm (l/min) 2.4 (9.1) 5.4 (20.5)



Pump Turbine Pump
Temperature Range Facility Water +10° to 60°C
Cooling Capacity (W/BTU) 15,000 / 52,855 based on 15°C ΔT
10,000 / 34,100 based on 10°C ΔT
4,500 / 5,345 based on 5°C ΔT
Power Requirements (VAC/Hz) 200-240 / 50-60 (plug for 230V)
Maximum Pressure psi (bar) 100 (6.9)
Maximum Flow gpm (l/min) 3.5 (13.2)

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