Power VentGet easy, anywhere venting. Gas power vent water heaters offer flexible venting options with either vertical or horizontal termination PVC, ABS or CPVC. Venting lengths up to 150ft.Household SizeProvide hot water for the whole family of 2 to 4 personsReal CapacityGet the most hot showers from the only water heater that holds a true 40 gallons of water. (Compared to steel tank water heaters per DOE rated gallon capacity.)Maximum PerformanceLive comfortably with this best in class unit that delivers 72 of hot water in the first hour of use. (40 Gallon model as Measured through DOE First Hour Rating)Brass Drain ValveGet the lasting durability of a corrosion-resistant, rust-proof brass drain valve.Leading WarrantyRealMAX water heaters carry an eight-year limited warranty on tank and parts.Smart ShieldMonitors the surrounding air and automatically shuts off the unit if abnormal temperatures or the presence of flammable vapors are detected.Self-DiagnosticMonitors and reports on gas system status via an LED status light indicator.Made in AmericaGet the added confidence of an American-made water heater. APPEARANCE Color AppearanceGray CAPACITY Unit Capacity40 Gallons FEATURES Altitude Rating10,100 ft Anode RodMagnesium Bin TestingHigh ConfigurationShort ControlsLED Indicator Drain Valve TypeBrass Family Size2-5 People Fuel TypeNatural Gas FVIR Safety SystemPrevents accidental ignition of flammable vapors Gas ValveSelf Powered Height DescriptionShort Overheat ProtectionDry Burning Protection Pilot Light Window / ButtonYes Product TypePower Vent Gas Temp & Pressure Relief ValveYes Temperature Setting45-160° F Range UEF0.63 VentPower Vent Water Connection LocationTop POWER / RATINGS Burner BTU Size (k)40 First Hour Delivery GPH72 gal/h WARRANTY Labor Warranty1-year limited Parts Warranty8-year limited Warranty NotesSee written warranty for full details WEIGHTS & DIMENSIONS Approximate Shipping Weight155 lb Connection Sizes - Hot Water Outlet (MNPT)3/4" Connection Sizes - Water Inlet (MNPT)3/4" Height to Gas Control11 1/2 in Net Weight143 lb Overall Depth22 in Overall Height56 2/3 in Overall Width22 in Product Diameter22 in Product Height (to top of unit)49 1/8 in Product Height (to top of water inlet/outlet connections)50 5/8 in Vent Size3" Type B Vent