INK1049 Features: * Die-molded, high efficiency, expanded polystyrene thermal barrier surrounds tank for low heat loss * Adjustable thermostat, convenient drain, thermally fused to prevent tank damage from dry start-up or loss of water * Tank is always open to atmospheric pressure and requires no relief valves * Spout is elevated to fill large containers * 4"" extension sleeve * Stainless steel case * Minimum water required Specifications: * System provides up to 100 cups of 190 F water per hour * Completely insulated from 190 F water Dimensions: * Mounts in standard sink opening or 1-1/4"" drilled hole