A. O. Smith ProLine(R) 40-Gallon Short Electric Water Heater

 •Delivers 41-gallon first hour rating
 •Single commercial-grade heating element available in minimum 1,000 kW
 •Long-lasting lower Incoloy(TM) stainless steel element
 •HUD compliant, approved for mobile homes/manufactured housing
 •Patented Blue Diamond(R) glass tank lining protects against corrosion
 •DynaClean(TM) automatic cleaning system protects against sediment build-up
 •Stainless steel CoreGard(TM) anode rod protects against corrosion longer than ordinary anodes
 •Commercial-grade brass drain valve for durable and easy operation
 •CSA Certified and ASME Rated T&P Relief Valve, Factory-Installed
 •6-year limited tank and parts warranty

The ProLine(R) Standard Electric water heater is the reliable choice when you are looking to maximize your hot water output and is designed with environmentally-friendly insulation to reduce standby heat loss. With a 40-gallon (nominal) tank delivering 4,500 watts, the ENS-40W delivers a first hour rating of 41 gallons at a Uniform Energy Factor of 0.88. Environmentally-friendly insulation and factory-installed heat trap nipples reduce heat loss for maximum energy savings. This ProLine(R) water heater is designed with A. O. Smith's superior commercial-grade tank protection. Advanced tank features include stainless steel CoreGard(TM) anode rod, Blue Diamond(R) glass lining and DynaClean(TM) automatic sediment-cleaning system, all designed to help protect the tank from the corrosive effects of water and extend the life of the water heater. All of these features are accompanied by a 6-year limited tank warranty. A. O. Smith s ProLine(R) water heaters are residential products built to commercial-grade standards and are only available for purchase through professional wholesalers and contractors.