The thermoregulatory circulating water or oil is a unit manufactured by Chromalox. The unit provides either direct or indirect processes of heating at a range of temperature of 750°F. The unit is complete with heaters, controls, pumps, valves and necessary plumbing. Further, it has heated rolls necessary for coating paper and paper products, spot carbonizing, vinyl bonding, bonding with hot melt adhesives, calendering and laminating.