Reliance Tall Height Water HeaterProduct Type: Water HeaterPower Source: Natural GasTank Capacity: 50 gal.Assembled Height: 60-3/4 in.Assembled Length: 21 in.Assembled Width: 21 in.Vent Diameter: 3 or 4 in.Wall Mountable: NoPoint of Use: NoTemperature Pressure Relief Valve: YesWarranty: 6 yearMaximum Pressure: 150BTUs: 40,000 BTUMaximum Elevation: 10,100 ft.Self Cleaning: YesCSA Listed: YesMaximum Temperature: 160 deg. FGas Connection Size: 1/2 in.Water Connection Location: TopWater Connection Size: 3/4 in.Commercial or Residential: ResidentialEnergy Star Compliant: NoMinimum Temperature: 55 deg. FPiezo igniter allows for easy one hand pilot ignitionwithout matches PEX diptube Glass lined tank with anode rod protects againstcorrosion Environmentally Friendly Non CFC foaminsulation Factory installed PEX polymer linedheat trap nipples Unit not approved for mobile-manufactured homeinstallation Warranty voided if installed in mobile-manufactured home Brand Name: Reliance Tankless: No BTUs: 40000 BTU Power Source: Natural Gas Product Type: Water Heater Commercial or Residential: Residential Gas Connection Size: 1/2 in. Vent Diameter: 3 or 4 in. Maximum Elevation: 10100 ft. Low NOx Burner: Yes Maximum Pressure: 150 psi Temperature Pressure Relief Valve: Yes Water Connection Location: Top CSA Listed: Yes Water Connection Size: 3/4 in. Height: 60-3/4 in. Depth: 21 in. Amps: 0 amps Diameter: 21 in. Energy Star Certified: No Width: 21 in. Tank Capacity: 50 gal Volts: 0 V Warranty: 6 yr Maximum Temperature: 155 ��F Minimum Temperature: 55 ��F Piezo igniter allows for easy one hand pilot ignition without matches, PEX dip tube, Glass lined tank with anode rod protects against corrosion, 1-1/2\” Environmentally Friendly Non CFC foam insulation, Factory installed PEX polymer lined heat trap ni