This Resideo Gas Valve, also known as the J-390, is a key component in gas-powered appliances. It is designed to control the flow of gas into a system, ensuring optimal performance and safety. The valve operates on a voltage of 24V and has an inlet/outlet size of 1/2" x 1/2". It features a Single Pole Double Throw (SPDT) switch type, which allows for precise control over the gas flow. The J-390 is equipped with two automatic operators, pressure regulation, and manual shut-off. Its compact design and robust construction make it suitable for use in various applications including furnaces, boilers, and other heating equipment.