Ariston washers, gaskets and O-rings are used in many different sections within the boiler. They are used when joining parts to the pipework of your central heating system. Heat exchangers, fans and many other parts require O-rings, washers and gaskets to prevent leaks of gas or water from occurring.
Measurement is 19.05 mm
Technical specification
TypeGasketMaterialFibreManufacturer Model No573520Brand NameAriston