Chillers and Coolers

PolyScience Chillers and Coolers have proven, over several decades and hundreds of thousands of installations, that they are the most reliable in the industry — and an exceptionally smart choice for end-user and OEM applications ranging from lasers and analytical equipment to reactors and manufacturing equipment.

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Recirculating Coolers -
Model 3370 Liquid-to-Air Cooler

Key Specifications

Working Temperature Range: Ambient +5° to 70°C 
Maximum Fluid Temperature: 70°C 
Cooling Capacity: 4000 watts based on 11°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

Performance Specifications & Part Numbers

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) 120/60 240/50 120/60 240/50
Pump 1/3 HP Positive Displacement 1/3HP Turbine Pump
Maximum Pressure psi (bar) 100 (6.9) 100 (6.9) 62 (4.3) 50 (3.4)
Maximum Flow gpm (l/min) 2.4 (9.1) 2 (7.6) 5.4 (20.5) 4.5 (17.1)
Part Number 120 VAC / 60Hz 3370P9A11B 3370TBA11B
Part Number 240 VAC / 50Hz 3370P9A12E 3370TBA12E

ΔT = Process water temperature - ambient air temperature

Electrical plugs for the part numbers listed are standard U.S. and European types. Country specific plug types available.

Vertical Tabs

Pressure Gauge

Front mounted gauge lets you check process pressure at a glance.