This Commercial Product Will Need On Site Electrical Certification After InstallationThis Temperature Controller Box is designed to allow precise temperature control when paired with a heating element and it can be used with a standard 20-amp wall outlet. It is ideally suited for both 30 Liter (7.9-gallon) and 50 Liter (13.2 gallon) boilers, offering versatile functionality for brewing and distilling needs. The recommended setup is to pair the temperature controller box with a compatible heating element. Installation and operation are extremely straightforward: plug the controller into a standard wall outlet, attach the heating element to your kettle or boiler, and then connect the element to the controller. This system delivers precise and reliable temperature control, making it an excellent choice for achieving consistent, high-quality results throughout your brewing and distilling processes. Specifications: Includes 5' cord with plug 110V Plug and Power No additional wiring for installation is needed