O-ring per raccordi Pro C250 (10 ps) De Dietrich 7647696

The O-rings for Pro C250 fittings are replacement seals designed to ensure leak-free connections in your heating system. These O-rings are specifically intended for use with Pro C250 fittings, providing a reliable seal to prevent fluid or gas leaks. Regular replacement of worn O-rings is a key part of boiler maintenance, helping to maintain system integrity and performance.