Product Overview

The ProLine Standard Electric water heater is the reliable choice when you want to maximize hot water output and energy savings. With a 50-gallon (nominal) tank and dual 4,500 watt elements, the ENT-50 delivers a first hour rating of 62 gallons at a highly efficient 0.95 Uniform Energy Factor rating. Environmentally-friendly insulation and factory-installed heat trap nipples reduce heat loss for maximum energy savings. This ProLine water heater is designed with A. O. Smith's superior commercial-grade tank protection. Advanced tank features include stainless steel Coregard anode rod, Blue Diamond glass lining and DynaClean 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 water heaters are residential products built to commercial-grade standard and are only available for purchase through professional wholesalers and contractors.

• 20.5" Dia x 60.25"
• Top Water Connections And Top T&P Valve
• 240 Volts, 4,500 Watt Long-Life Stainless Steel Elements
• CoreGuardâ„¢ Anode Rod Is Industry-Leading Anode Technology To Extend Useful Life
• Full-Flow Tamper-Resistant Brass Drain Valve
• 8-Year Warranty (For Units Purchased After 1/31/2021)