Joint torique pour la purge. 110x3.5mm sgb De Dietrich JJX000652155

The O-ring for vent. 110x3.5mm sgb is a large sealing ring specifically designed for ventilation or flue gas applications in heating systems. Measuring 110 mm in inner diameter with a 3.5 mm cross-section, this O-ring provides a reliable seal between components such as flue pipes, air intake ducts, or expansion vessels. Its robust material composition ensures resistance to heat, moisture, and chemical exposure, making it suitable for long-term use in boiler and burner setups. Proper sealing with this O-ring helps maintain system efficiency and prevents dangerous gas leaks. It is a practical replacement part for maintenance and repair tasks.