The Maxitrol 210D-1 1/4 (1.25") Gas Pressure Regulator is a high-performance device designed to regulate and maintain consistent gas pressure in HVAC systems. Suitable for use with furnaces, boilers, and rooftop units, it ensures safe, efficient gas flow by automatically adjusting inlet pressure to the required downstream level. Ideal for commercial and industrial applications, it enh... https://www.partshnc.com/210d-1-14-maxitrol-125-reg-10maxin-3-8-spring