O-ring per flange di mandata/ritorno De Dietrich 730722500

This O-ring provides a reliable seal for flow and return flanges, preventing leaks and ensuring efficient operation of your heating equipment. As an essential part of boiler spare parts, it helps maintain system pressure and prevents water loss. Compatible with various flange connections, this ring is a common replacement item during boiler maintenance and repair. Its durable material withstands temperature fluctuations and chemical exposure, making it a dependable choice for keeping your burner spare parts functioning optimally.