This Burnham Commercial Gas Control is designed for use with a 5-section Electronic Ignition (EI) system using Natural Gas (NAT). It measures 1 inch in diameter, making it suitable for various commercial applications. The control unit ensures the safe and efficient operation of the gas supply by regulating the flow based on the demand from the EI system. It is constructed with industry-standard materials to ensure durability and reliability under different operating conditions. The product is designed to be easily installed and maintained, making it a practical choice for commercial heating systems.