| SGE04020 | Circulating heater 1050W thermostat control to 80C - Thermoline Unistat 1 |
| SGE05046 | Circulating heater 2000W -30C to 200C menu driven over temperature & low water cut-out - Huber CC1 |
| SGE05437 | Circulating heater LED display 2000W -20 to 100C flow rate to 15L/min - Julabo ED |