Whale Service Kit Waste Tank Replacement Lid w/Sensor - Grey [AK1005]Service Kit Waste Tank Replacement Lid with Sensor Grey The Grey Waste Tank enables the user to manage all grey waste onboard easily, through one skin fitting. The Intelligent Control sensor integrated into the tank lid provides automatic operation of the grey waste pump. The sensor will detect water in the grey waste tank at a pre determined level, and will automatically activate the grey waste pump. When the tank is emptied, the switch will