Rheem Professional Classic 40 Gal Tall 6-Year 38,000 BTU Ultra Low NOx Natural Gas Water Heater

The Rheem Classic 40 Gal. Natural Gas 38,000 BTU/hour environmentally friendly Ultra Low-NOx radiant burner that provides ample hot water for households with 2 to 4 people. A piezo ignition system enables safe and easy startup. Its maintenance free combustion air intake system means there are no filters to clean and replace. A premium grade anode rod provides long-lasting tank protection. Factory installed temperature and pressure relief valve and 3/4 in. water connections are included with the water heater for easy installation.|Protective control system that disables the heater in the presence of flammable vapor accumulation|Rated for installations up to 10,000 ft.|Exclusive air/fuel shut-off device for double protection|With Protection Plus the 6-year limited tank warranty becomes 10-year|Ultra-low NOx radiant burner design|Premium grade anode rode provides long-lasting tank protection|6-year limited tank and parts warranty|Maintenance free - no filter to clean|No matches required|More hot water at a low operating cost