PolyScience 3370P9A11B Liquid-to-Air Recirculating Cooler delivers quiet, efficient cooling for applications where fluid temperature remains above ambient and precision control isn’t necessary. Designed with a powerful positive displacement pump, this model is ideal for consistent flow in higher resistance systems like closed-loop instruments or small jacketed reactors.
- Quiet, reliable liquid-to-air cooling using ambient airflow
- Positive displacement pump ensures steady flow in pressurized systems
- Economical solution when active refrigeration and tight temperature control aren’t required
- Reservoir liquid level indicator and built-in low-level protection
- Includes power cord, manuals, and a 2-year manufacturer’s warranty
Water circulates from the reservoir to an external heat source, is cooled via an internal radiator using ambient air, then returns to the reservoir. No refrigeration system or temperature controller is required — reducing noise, maintenance, and energy use.
Specifications
| Model | 3370P9A11B |
|---|---|
| Cooling Method | Liquid-to-Air |
| Temperature Range | Ambient +5°C to 70°C (41°F to 158°F) |
| Cooling Capacity @ 20°C | 500W @ ΔT 3°C 1000W @ ΔT 6°C 2000W @ ΔT 12°C 3000W @ ΔT 18°C 4000W @ ΔT 24°C |
| Reservoir Capacity | 4.2L (1.11 gal) |
| Reservoir Cover | Screw-on Cap |
| Pump Type | Positive Displacement |
| Pump Speed | Constant, Single Speed |
| Reservoir Liquid Level Indicator | Yes |
| Reservoir Drain | Yes |
| Max Ambient Temperature | 35°C (95°F) |
| Shipping Weight | 59.9 kg (132 lbs) |
| Electrical | 120V, 60Hz |
| Warranty | 2 Years |
Included Items
- Power cord
- Operator’s guide
- Manufacturer documentation
- 2-year manufacturer’s warranty
Why Choose This Model?
- Ideal for circulating water through external systems above ambient temp
- Positive displacement pump supports higher resistance flow paths
- No refrigeration system — quiet and energy-efficient
- Great for light industrial, academic, or QC applications
- Backed by PolyScience reliability and support