The Maxitrol 325-11L210G-2 2" Gas Pressure Regulator with Overprotection Device is a gas control component designed for compatible commercial boilers, furnaces, and industrial heating equipment. It regulates incoming gas pressure to maintain a consistent outlet pressure for proper burner operation. The integrated overprotection device provides additional protection against excessive d... https://www.partshnc.com/325-11l210g-2-maxitrol-2-inch-regulator-woverprotect-device