The Potterton Performa SL, Suprima, Slimline, and Main HE units can all use Potterton Tubing washers. In many different places throughout the boiler, O-rings, gaskets, and washers are employed to connect parts to the pipes. These components are necessary for heat exchangers and gas valves, among other sections, to stop gas and water leaks.
Shaped
Fits multiple appliances
Technical specification
Product TypeWasherWaist Sizeab49cg11gzTypeWasherSupplier Part Number238156Brand NamePotterton