This Lochinvar gas valve is a key component in many heating systems, specifically designed for natural gas applications. It features a 1 1/4 inch size, which refers to the diameter of the pipe that can be connected to it. The valve's primary function is to control and regulate the flow of natural gas into a heating system, ensuring optimal performance and safety. Manufactured by Lochinvar, a company known for its high-quality heating equipment, this gas valve is built to last and provide reliable service.