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Refrigerated Circulators (238)
Heated Circulators (190)
Recirculators & Chillers (85)
Laboratory, Utility Water Baths (84)
Specialty Baths (47)
Shaking Water Baths (31)
Immersion Circulators (28)
Bath & Circulator Accessories (26)
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PolyScience (148)
Cole-Parmer (91)
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Water Bath (268)
Circulators (Cooling/Heating) (249)
Circulators (Immersion) (28)
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Home  >  Lab Equipment > Baths and Circulators

Baths and Circulators

Baths and Circulators

Cole-Parmer offers an extensive array of laboratory circulators and baths to meet the demands of almost any temperature control application. Whether you are thawing samples, cooling equipment, or recirculating cooling system water, Cole-Parmer offers the laboratory circulator to meet your needs.

Types of Circulators for the Lab


Immersion circulators easily convert open baths, tanks, or containers into your own unique constant temperature bath.


  • Temperature control from 5° above ambient to 200°C

  • Flow rates up to 15 L/min

  • Immersion depths from 3 to 7 inches

  • Adjustable clamps attach to vessel walls up to 1 inch thick



Constant lab circulator baths expand your temperature control options by offering the ability to heat or cool external applications while saving valuable laboratory or work space. Choose from a wide selection of heated circulators or refrigerated circulators for your laboratory.


  • Available in 6-, 13-, and 28-liter tank capacities

  • Cooling capacities up to 700 watts

  • Heating up to 2000 watts

  • Easily attach to external equipment for maintaining a constant temperature



Recirculating chillers are enclosed circulators that feature robust cooling systems ideal for the most demanding continuous-use lab applications.


  • Temperature control from -10° to +80°C

  • Sealable reservoirs permit open-loop and closed-loop use

  • Pumping capacities up to 15.5 L/min
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EW-12122-02 Cole-Parmer<small><sup>&reg;</sup></small> Polystat<small><sup>&reg;</sup></small> Cooling/Heating Circulating Bath, 6.5-liter, Standard Digital, -20 to 100&deg;C, 115V 60 Hz

Cole-Parmer Polystat Cooling/Heating Circulating Bath, 6.5-liter, Standard Digital, -20 to 100C, 115V 60 Hz

Product Type Circulators (Cooling/Heating),Capacity Liters 6.5,Min temperature º C -20
EW-12122-02
In stock.
$2,315.00 USD/EACH

Qty:
EW-12101-84 PolyScience<small><sup>&reg;</sup></small> Standard Immersion Circulator, 120 VAC

PolyScience Standard Immersion Circulator, 12L, 120 VAC

Product Type Circulators (Immersion),Capacity Liters 12,Min temperature º C Ambient
EW-12101-84
In stock.
$1,714.00 USD/EACH

Qty:
EW-13042-01 Cole-Parmer<small><sup>&reg;</sup></small> Polystat<small><sup>&reg;</sup></small> recirculator, 17 lpm, 250W cooling capacity, 115V 60 Hz

Cole-Parmer Polystat recirculator, 17 lpm, 250W cooling capacity, 115V 60 Hz

Product Type Circulators (Cooling/Heating),Capacity Liters 2.8,Min temperature º C -10
EW-13042-01
In stock.
$2,385.00 USD/EACH

Qty:
EW-12210-20 PolyScience refrigerated bath (exact model not shown)

PolyScience Performance Digital 15L -30 Refrigerated Bath Circulator 120V/60Hz

Product Type Circulators (Cooling/Heating),Capacity Liters 15,Min temperature º C -30
EW-12210-20
Call 1-888-358-4705 for availability.
$4,448.00 USD/EACH

Qty:
EW-12210-28 PolyScience bath (exact model not shown)

PolyScience Performance Programmable 15L -40 Refrigerated Bath Circulator 120V/60Hz

Product Type Circulators (Cooling/Heating),Capacity Liters 15,Min temperature º C -40
EW-12210-28
Call 1-888-358-4705 for availability.
$6,225.00 USD/EACH

Qty:
Representative photo only Cole Parmer Polystat Cooling Heating Circulating Bath 8 6 liter Advanced Digital 28 to 200C 115V 60 Hz

Cole-Parmer Polystat Cooling/Heating Circulating Bath, 8.6-liter, Advanced Digital, -28 to 200°C, 115V 60 Hz

Product Type Circulators (Cooling/Heating),Capacity Liters 8.6,Min temperature º C -28
EW-12122-42
In stock.
$3,052.00 USD/EACH

Qty:
Representative photo only Polyscience compact benchtop chiller 20 to 40C 680 watts at 0C 120 VAC

Polyscience compact benchtop chiller, -20 to 40°C, 680 watts at 0°C, 120 VAC

Product Type Recirculating Chiller,Capacity Liters 2.65,Min temperature º C -20
EW-12930-10
In stock.
$3,176.00 USD/EACH

Qty:
EW-12210-14 PolyScience refrigerated bath (exact model not shown)

PolyScience Performance Digital 7L -40 Refrigerated Bath Circulator 120V/60Hz

Product Type Circulators (Cooling/Heating),Capacity Liters 7,Min temperature º C -40
EW-12210-14
Call 1-888-358-4705 for availability.
$4,354.00 USD/EACH

Qty:
EW-14575-12 Water bath, 10L, 120V

Cole-Parmer StableTemp Water bath, 10L, 120V

Product Type Water Bath,Bath type Utility Water Bath,Capacity Liters 10
EW-14575-12
In stock.
$1,041.00 USD/EACH

Qty:
EW-12121-02 6.5-liter bath

Cole-Parmer Polystat Stainless Steel Heated Bath, 6.5-liter, Standard Digital, 150C, 115V 60 Hz

Product Type Water Bath,Bath type Heated Water Bath,Capacity Liters 6.5
EW-12121-02
In stock.
$1,684.00 USD/EACH

Qty:
Representative photo only Cole Parmer Polystat recirculator with force suction pump 21 lpm 500W cooling capacity 115V 60 Hz

Cole-Parmer Polystat recirculator with force/suction pump, 21 lpm, 500W cooling capacity, 115V 60 Hz

Product Type Circulators (Cooling/Heating),Capacity Liters 2.8,Min temperature º C -10
EW-13042-21
In stock.
$3,017.00 USD/EACH

Qty:
Representative photo only Thermo Scientific NESLAB ThermoFlex 2500 IPR Recirculating Chiller with Pump 2 208V 60Hz

Thermo Scientific NESLAB ThermoFlex™ 2500 IPR Recirculating Chiller with Pump 2 - 208V/60Hz

Product Type Water Bath,Bath type Recirculating Water Bath,Capacity Liters 7.2
EW-13042-46
Call 1-888-358-4705 for availability.
$5,552.00 USD/EACH

Qty:
Representative photo only Cole Parmer Polystat recirculator 17 lpm 500W cooling capacity 115V 60 Hz

Cole-Parmer Polystat recirculator, 17 lpm, 500W cooling capacity, 115V 60 Hz

Product Type Circulators (Cooling/Heating),Capacity Liters 2.8,Min temperature º C -10
EW-13042-17
Call 1-888-358-4705 for availability.
$2,806.00 USD/EACH

Qty:
EW-12120-01 Cole-Parmer<small><sup>&reg;</sup></small> Polystat<small><sup>&reg;</sup></small> Standard digital immersion circulator with clamp; 115V, 60 Hz

Cole-Parmer Polystat Standard digital immersion circulator with clamp; 115V, 60 Hz

Product Type Circulators (Immersion),Min temperature º C Ambient +10,Max temperature º C 100
EW-12120-01
In stock.
$992.00 USD/EACH

Qty:
EW-12210-18 PolyScience refrigerated bath (exact model not shown)

PolyScience Standard Digital 15L -30 Refrigerated Bath Circulator 120V/60Hz

Product Type Circulators (Cooling/Heating),Capacity Liters 15,Min temperature º C -30
EW-12210-18
Call 1-888-358-4705 for availability.
$3,398.00 USD/EACH

Qty:
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