HL 109 Safety Devices Training Panel
1 HL 100 Universal Stand (not included), 2 training panel, 3 rod-type heater (threaded heater element), 4 overpressure valve, 5 thermal discharge safety device, 6 spring tube manometer, 7 bimetallic dial thermometer, 8 pressure vessel, 9 safety valve, 10 system of safety devices, 11 switch box for heater