The HG/KH series heater gaskets provide protection against the potential build-up of ice which may form on or in the valve portion of the Flush/Fill, Potable Water and Waste Dump Lever Lock assemblies Unique Features of Product - Constructed using an epoxy compound which when moulded and cured provides a very stable substrate for the etched foil elements. - Unlike the common silicone heaters currently available and installed, these assemblies will not cold flow or delaminate.