O-ring 40.64 x 5.33 (5 ps) De Dietrich 7628285

This O-ring with dimensions 40.64 x 5.33 mm is a precision sealing component used in various boiler and burner applications. It creates a tight seal between mating parts, preventing leaks of water, gas, or air. Commonly found in pumps, valves, and connectors, this O-ring is a critical spare part for maintenance and repair. Made from durable material, it withstands temperature and pressure variations typical in heating systems. Replacing worn O-rings ensures system integrity and optimal performance.