The TURBOPOWER 96 Gas-Fired, Fire-tube, Storage Water Heater features 96 percent thermal efficiency. The product also comes with a tank and removable heat exchanger fabricated from pickle-passivated duplex stainless steel. This product line offers a heat input range from 500 to 1,600 MBTU and storage capacities from 250 to 1,500 gallons. A 15-year warranty is provided with the tank. Additional features include a touch screen operating control, low NOx combustion and PVC or polypropylene venting. Water heaters are ASME stamped for 150 psi and ETL listed to ANSI Z21.10.3/CSA 4.3. PVI Industries.