The Rheem Performance Plus 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. 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."}},"base-catalog-326405918":{"__typename":"BaseProduct Installed temperature and pressure relief valve Easy operation with no filter to clean Piezo ignition - no match required Low lead compliant Well insulated for reduced stand-by heat loss All models certified up to 5,999 ft. above sea level Adjustable coaxial vent Internal air tube for reduced footprint Heat saving flue baffle design Meets 2015 NAECA standards