A. O. Smith ProLine(R) 48-Gallon Lowboy Top Connect Electric Water Heater

 •Delivers 40-gallon first hour rating
 •Dual 4,500-watt commercial-grade heating elements deliver reliable and efficient hot water
 •Long-lasting lower Incoloy(TM) stainless steel element
 •Lowboy design with top connections ideal for spaces with low height clearance
 •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
 •10-year limited tank and parts warranty

The ProLine(R) Lowboy Electric water heater with Top Water Connections is the reliable choice when you want to maximize hot water output and energy savings. With a 48-gallon (nominal) tank and dual 4,500 watt elements, the PNLB-50W delivers a first hour rating of 40 gallons at a highly efficient 0.91 Uniform Energy Factor rating. This model ships with a supplied insulation blanket. 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 10-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.