O-ring 18x3 NBR De Dietrich 711477400

This O-ring measuring 18 mm inner diameter with a 3 mm cross section is made from NBR (nitrile rubber), a material known for its excellent resistance to oils, fuels, and many chemicals. It is commonly used in boiler and burner spare parts to seal joints and prevent fluid or gas leaks. Whether you are servicing a gas burner or performing routine boiler maintenance, this O-ring provides a dependable seal for various heating equipment components. Its durable construction ensures long-lasting performance in demanding environments.