What is the best buy with regard to Rheem 22DV40F N/A Whole House 40 Gallon Tall Natural Gas Direct Vent Residential Water Heater 38000 Max BTU Input Have it At this moment

Rheem, 22DV40F, Whole House, N/A, Fury, Water Heaters, Gas/Propane Fury Collection Residential Natural Gas Direct Vent Water Heater with Tall 40 Gallon TankFury- Direct Vent water heaters use outside air for combustion.Guardian System-Rheem s Guardian System provides double protection, shutting off both air and fuel systems should it detect the presence of flammable vapor accumulation. This system is also maintenance free with no filter to clean.TechnologyThe adjustable coaxial vent allows flexibility of installation. It can swivel 360 degrees and uses outside air for combustion and requires no electrical power.Longer Tank LifeStandard anode rods help protect water heater tanks from rust. This unit uses a patented magnesium anode rod design that incorporates a special resistor, resulting in longer tank life. Rheemglas This exclusive tank lining resists corrosion and prolongs tank life.Features:Easy to light pilot with Piezo ignitionBrass drain valveTemperature and pressure relief valveHigh temperature silicone bands help reduce venting installation timeInternal air tube for reduced footprintCombination gas control and thermostatHeat saving flue baffle designWell insulated to reduce stand-by heat lossSpecifications:Tank Capacity: 40 GallonsEnergy Factor: 0.59Performance:First Hour Rating: 66 gallonsRecovery at 90 degree rise: 38.4 Gallons/HourMax BTU Input: 38000Altitude Certification: 2000 ft. above sea levelWarranty: 6 Year Limited Tank - 6 Year Limited PartsWith ProtectionPlus: 6 year Limited Tank Warranty becomes 10 Years! (Requires Professional Installation) Rheem has been manufacturing water heaters since the 1930 s, with coast to coast distribution by 1936.