System comprising a refrigeration circuit in fluid communication with supply and return piping for delivering chilled water to a container, cooler, fish well or tub and maintaining the chilled temperature of the water contained within the container, cooler, fish well or tub and parts therefor; system comprising a refrigeration circuit in fluid communication with supply and return piping for delivering chilled water to a food and beverage container, cooler or tub and maintaining the chilled temperature of the water contained within the container, cooler or tub and parts therefor; systems comprising refrigeration circuits in fluid communication with supply and return piping for cooling circulated water for use as a refrigeration element in containers, coolers, fish wells and tubs and parts therefor; systems comprising refrigeration circuits in fluid communication with supply and return piping for cooling circulated water for use as a refrigeration element in food and beverage containers, coolers and tubs and parts therefor; system comprising a refrigeration circuit in fluid communication with supply and return piping for cooling circulated water for use as a refrigeration element and parts therefor; system comprising a refrigeration circuit in fluid communication with supply and return piping for delivering chilled or cooled water for use as a refrigeration element and parts therefor; system comprising a refrigeration circuit in fluid communication with supply and return piping for delivering chilled or cooled fluids for use in dropping the temperature of beverages, fish, fresh catch, food items and perishable food items and parts therefor