WTR HTR TALL 50G 12YR LNOX NG

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 & 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.