| SGE04022 | Circulating heater 1000W contact thermometer to 100C - Heidolph Tiii |
| 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 |
| SGE03186 | Circulating heater 880W to 90C - Tecam TE - 7 |