O-ring 25.8X3.53 Nbr De Dietrich JJJ005401490

For a dependable seal in your boiler or burner assembly, this O-ring sized 25.8 mm inner diameter with a 3.53 mm cross-section, made from NBR (nitrile rubber), offers excellent resistance to oils and fuels. It is suitable for use in many heating equipment components where a medium-sized O-ring is required. Whether you are replacing a worn seal or performing preventive maintenance, this NBR O-ring helps maintain system integrity and prevent leaks.