Rheem Professional Classic 40 gal. Tall 6-Years 40,000 BTU Atmospheric Residential Natural Gas Water Heater

The Rheem Classic Atmospheric 40 Gal. Natural Gas Tall Water Heater comes with a 40,000 BTU/hour environmentally friendly low NOx burner that provides ample hot water for households with 2 to 4 people. The push button ignition system ensures safe and easy startup. Its maintenance free combustion air intake system means there are no filters to clean and replace. The self-diagnostic gas control valve monitors system performance. 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.|California residents: this water heater does not meet ultra-low Nox (ULN) emissions requirements, regulations prohibit the sale, shipment or installation of this water heater in any air quality district that requires ULN water heaters, please refer to the map below to confirm if your home is in a district that requires ULN emission water heaters and if so please select an approved ULN model|Exclusive air/fuel shut-off device|6-years limited warranty on tank and parts for your convenience|Protection plus the 6-years limited tank warranty becomes 10-years|Natural gas water heater costs less to operate than electric models|Exclusive Rheemglas tank lining resists corrosion and prolongs tank life|Temperature and pressure relief valve included|Easy to light - no matches required|Maintenance free - no filter to clean|Uniform energy factor (UEF) 0.66