Heated Circulating Baths

We have dozens of different solutions to your laboratory’s liquid heating needs – from a simple Immersion Circulator to economical Open Bath Systems to full-featured Circulating Baths with ramp and soak capability.  60 years of patented innovation and award winning technology are the foundation of all of our Heated Circulating Baths.

To learn more about all of our Circulating Baths, download our free information guide here!

Polycarbonate Open Bath Systems

Handle liquid temperatures up to 85°C.


  • Advanced Programmable or MX Temperature Controller
  • 8, 11, 14, 17, 23 or 28 liter reservoir
  • Transparent polycarbonate reservoir lets you keep samples in clear view
  • Elevated tank bottom provides secure hand holds when lifting or relocating bath, remains stable on uneven surfaces
  • Controller bridge removes easily for tank cleaning, rests securely on reservoir top edge when in use
  • Included bath cover reduces evaporation and improves temperature stability
  • DuraTop™ chemical resistant bridge
  • Lidded opening for optional cooling coil (17, 23 and 28 liter models)
  • Drain port (17, 23 and 28 liter models)
  • Complies with DIN 12876-1 Class I safety requirements for use with non-flammable liquids

Select a Controller

  Advanced Programmable (AP) MX
Temperature Stability ±0.005ºC ±0.07ºC
Pump Type Pressure/Suction, Variable-Speed Pressure Only, 1-Speed
Programmability Unlimited programs and steps N/A
Connectivity USB A & B, Ethernet, RS-232/RS-485, Remote On/Off, External Temperature Probe  

Select a Reservoir

  8 Liter 11 Liter 14 Liter 17 Liter 23 Liter 28 Liter
Maximum Temperature 85ºC 85ºC 85ºC 85ºC 85ºC 85ºC
Working Access
(L x W x D)
4.1 x 6.1 x 8 in
10.5 x 15.6 x 20.3 cm
8.3 x 6.1 x 8 in
21 x 15.6 x 20.3 cm
12.4 x 6.1 x 8 in
31.4 x 15.6 x 20.3 cm
4.1 x 12 x 8 in
10.5 x 30.5 x 20.3 cm
8.3 x 12 x 8 in
21 x 30.5 x 20.3 cm
12.4 x 12 x 8 in
31.5 x 30.5 x 20.3 cm


Vertical Tabs


The optional cooling coil is ideal for set-points near ambient temperature or when rapid cooling is required.