The Pneumatic Control Box is a compact and dependable spa control system built for smaller spa setups that use pneumatic air-button controls. Operating on 120V, it features a 1.0kW fixed heater and includes a GFCI cord, ensuring both effective heating and electrical safety. Its simple design supports one pump and a blower, making it ideal for retrofitting older spas or maintaining basic spa functionality. With its user-friendly pneumatic interface and plug-and-play setup, it's a solid choice for low-maintenance, energy-efficient spa operation.