The Glow-worm washers, gaskets and O-rings are used in many areas throughout your heating unit. They are used to connect pipework to other parts of the boiler. Heat exchangers, condensate traps and many other components require O-rings, washers and gaskets to prevent gas or water leaks.
Fits multiple appliances
Shaped
Technical specification
TypeSealManufacturer Model No20020496Brand NameGlow-worm