The Waterway 805-0261 Executive pump face plate volute O-ring is designed for compatible applications and corresponds to O-261 sizing. An O-ring like this is useful because it helps restore the seal between the face plate and volute, supporting a cleaner reassembly of the pump wet end.Sealing parts are often replaced during pump service because older O-rings can flatten, crack, or lose elasticity with time. This Waterway O-ring is a practical replacement when the original face plate to volute seal no longer provides the proper fit needed for a reliable rebuild.For compatible Executive pump repairs, this Waterway O-ring is a practical replacement when the face plate volute sealing ring needs to be renewed. Waterway Executive pump face plate volute O-ring O-261 size reference Helps restore sealing between face plate and volute Useful for repair and rebuild work Supports cleaner wet-end reassembly