A.o. Smith Proline 50-Gal Atmospheric Vent Natural Gas Water Heater W/Mech Valve

A.O. Smith Proline 50-Gal Atmospheric Vent Natural Gas Water Heater W/Mech Valve Delivers 81-gallon first hour rating 40,000 BTU input atmospheric vent design delivers up to 0.64 Uniform Energy Factor Patented eco-friendly Green Choice® Gas Burner design reduces NOx emissions by up to 33% and complies with Low-NOx emission requirements Push-button piezo ignitor makes lighting pilot fast & easy Intelligent electronic gas control provides precise temperature control and LED status indicator Patented Blue Diamond® glass tank lining protects against corrosion DynaClean™ automatic cleaning system protects against sediment build-up Stainless steel Coregard™ anode rod protects against corrosion longer than ordinary anodes Commercial-grade brass drain valve for durable and easy operation 6-year limited tank and parts warranty MFG# 100290412