Reliance 12 40 UNACT Gas Water Heater, 40 gal Tank, 3/4 in Inlet

40,000 Btu input for faster recovery. Electronic gas control valve that provides precise temperature control and operational status. Piezo igniter allows for easy one-hand pilot ignition without matches. PEX dip tube. Glass-lined tank with anode rod protects against corrosion. Environmentally-friendly Non-CFC foam insulation. Factory-installed PEX polymer lined heat trap nipples. Factory-installed temperature and pressure (T&P) relief valve. Not for use in inside closets where a direct vent design is required. Complies with ultra-low NOx requirements in California of less than 10 ng/J NOx emissions.