Heavy-Duty 30.5 mm Watertight/Oiltight Kitted Operators. Special Function Non-Illuminated. Special Function Type: Push-Turn-to-Release. Marking: EMERGENCY STOP. Hot Buttons make it easier and faster than ever for you to get the most popular push buttons, pilot lights and selector switches. GE has taken its proven CR104P Heavy-Duty Oiltight push buttons, matched them with their logical and most often-used contacts and nameplates, and put them together. One product number, one box, one price.