The Xylem Bell & Gossett 118373 Flange Gasket Set is designed for secure, leak-free connections in hydronic heating and cooling systems. Used with pumps, boilers, and other HVAC equipment, these gaskets create a reliable seal between flanges, preventing fluid leakage and maintaining system pressure. By ensuring tight connections, they improve system efficiency, reduce maintenance issu... https://www.partshnc.com/118373-xylem-bell-gossett-bg-flange-gasket-set