50 Gallon Natural Gas Residential Water Heater - ProMax, Direct-Vent, 40000 BTU

Lead Free; One-Pipe, Dual-Channel Draws All Make-Up Air from Outside the Home, Eliminating Problems Caused by Insufficient Indoor Ventilation; All Units are FVIR Compliant; Horizontal Air Intake and Venting on All Models up to 80 Inches from Outside the Wall with No Electrical Power Needed; The Internal Microprocessor Provides Enhanced Operating Parameter and Tighter Differentials for Precise Sensing and Faster Heating Response to Optimize Performance; Push Button Piezo Ignitor Makes Lighting the Pilot Fast and Easy with One Hand Push Button Spark Ignition; Factory-Installed Heat Trap Nipple; 6 Year Limited (Tank/Parts) Warranty

73 INCH TANK HEIGHT INCLUDING DRAFT HOOD; 40000 BTU/HR INPUT SUPPLY RATING; ANSI Z21.10.1, ASHRAE/IESNA 90.1, BOCA, CSA 4.1, HUD, NAECA, SBCC, UBC, CEC APPLICABLE STANDARD; INTELLIGENT CONTROL LOGIC, SELF POWERED ELECTRONIC GAS VALVE, DYNACLEAN[T] DIFFUSER DIP TUBE, COREGARD[T] ALUMINUM ANODE ROD, HEAT TRAP NIPPLE, BLUE DIAMOND[R] GLASS COATING INCLUSIONS/FEATURES; 50 GALLON TANK CAPACITY; 3/4 INCH MALE X 3/4 INCH MALE INLET/OUTLET CONNECTION; ASME/CSA T AND P RELIEF VALVE RELIEF VALVE DETAILS; 22 INCH DIA X 59 INCH H TANK DIMENSIONS; 6 YEAR LIMITED TANK WARRANTY; 43 GPH AT 90 DEG F GPH RECOVERY; 2 INCH THK FOAM INSULATION DETAILS; PIEZO IGNITION TYPE; GREEN CHOICE[R] BURNER TYPE; DIRECT, COAXIAL VENTING TYPE; NATURAL GAS TYPE; DURABLE TAMPER RESISTANT BRASS DRAIN VALVE DETAILS; AO SMITH[R] BRAND; GAS CONNECTION HEIGHT 13 1/4 INCH; PARTS WARRANTY 6 YEAR LIMITED; SHIPPING WEIGHT 200 LB; GDV MODEL