The Unistat 291w circulator offers highly efficient heating and cooling from -90°C to 200°C. It has cooling capabilities up to 19 kW with 24 kW of heating. As with all Unistats, the 291w is a low-volume, hydraulically sealed circulator that provides tight temperature control for a variety of critical processes and applications. CARON offers the complete range of Unistat circulators with operating temperatures ranging from -120°C to 400°C. They provide cooling capacities from 700 W to 130 kW and heating from 1.5 kW to 80 kW.