State Industries has expanded its line of PatriotT Light-Duty Commercial Electric Water Heaters, adding larger sizes and a greater choice of kW inputs at different voltages. Patriot water heaters equipped with a single heating element are available in 30, 40, 50, 66, 82 and 120-gal. sizes. Compact and Lowboy Patriot models (6 through 50 gals.) offer overall heights from 18" to 31 3/4", to permit under-counter installation. State Industries.