34-1128 - RING HEATER 240V 500W 6-1/16" OD Description PRODUCT INFO: RING HEATER, FULL SHEATH. [ 240V 500W 1PH ] [ 6-1/16" OD X 4-5/16" ID ] [TERMINALS {STUD 6-32 } NOTE: Half Sheath Units Have Reduced Thermal Gradient to Heated Surface ? Provides faster heat up. Delfield SEP90113