The RS-750D includes automatic low-water shutoff to help protect the heaters and pump if water levels drop too low. The source copy describes the shutoff system as self-regulating, stopping operation when unsafe conditions are detected to help prevent pump-seal damage and heating coil burnout. A friction-drive turntable helps reduce the risk of motor damage during operation, while urethane non-marring casters make the large cabinet easier to move around the shop. The neoprene door seal helps reduce water and steam loss, and the NEMA-rated electrical panel helps organize and protect key controls from moisture and shop debris.