The washers, o-rings and gaskets are used in many different sections within your heating unit. They are used when sealing pipework to other parts within the boiler. Heat exchangers, flues and many other sections require orings, washers and gaskets to prev
Part Number 87161165490
Measurements: 13.87mm X 3.53mm
Technical specification
TypeO RingMaterialRubberColourBlackManufacturer Model No87161165490Brand NameWorcester Bosch