Waterway 8" Round Anti Vortex Main Drain Grate Cover [VGB 2008] [Grey] (642 2157V) intermatic Application focused heaters are useful because Application focused heaters are useful because they help preserve the equipment format and operating expectations used by the supported system It is a practical replacement when the original pump needs functional restoration without replacing the entire assembly The gray finish gives the drain area a more understated appearance that can work especially well in pools and spas where the surrounding surface is neither bright white nor very dark or damaged and the goal is to restore a more finished look without replacing unrelated components