O-ring? 8.73 x 1.78 EPDM De Dietrich 7101078

The O-ring ?8.73 x 1.78 epdm is a sealing ring made from EPDM rubber, designed to create a leak-tight seal in boiler and burner applications. With an inner diameter of 8.73mm and cross-section of 1.78mm, it fits specific grooves or connections. EPDM material offers excellent resistance to heat, water, and aging, making it suitable for use in heating systems. Replacing worn O-rings helps prevent leaks and ensures efficient operation.