Product code: 142909
This O-ring set, measuring 18 x 3mm, is a genuine Bosch spare for the Worcester Bosch Buderus 500. O-rings can be used in many different areas of the boiler to join parts to pipework. Among other parts, heat exchangers and gas valves require O-rings to prevent gas and water leaks. To help you find the right parts for your jobs, go to the industry leading parts identification tool, PartsArena, giving you quick access to over 20,000 exploded diagrams, 10,000 images & 20,000 products. FREE to Wolseley trade account customers.