ProLine® 51-Gallon Lowboy Top Connect Electric Water Heater

Model ENL-50
Capacity (Gallons)
First Hour Rating
Blanket
Limited Tank Warranty
  • Delivers 51-gallon first hour rating
  • Dual 4,500-watt commercial-grade heating elements deliver reliable and efficient hot water
  • Long-lasting lower Incoloy™ stainless steel element
Product Details
  • Delivers 51-gallon first hour rating
  • Dual 4,500-watt commercial-grade heating elements deliver reliable and efficient hot water
  • Long-lasting lower Incoloy™ stainless steel element
  • Lowboy design with top connections ideal for spaces with low height clearance
  • 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
  • CSA Certified and ASME Rated T&P Relief Valve, Factory-Installed
  • 6-year limited tank and parts warranty

  • The ProLine® 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 50-gallon (nominal) tank and dual 4,500 watt elements, the ENL-50 delivers a first hour rating of 51 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.

Specifications
Tech Specs
Nominal Gallon Capacity
51 Gallons
Rated Storage Volume
48 Gallons
UEF
0.92
Power Source
ELECTRIC
Limited Tank Warranty
6 Years
Limited Parts Warranty
6 Years
Water Connection Location
TOP
First Hour Rating
51 Gallons
ASME Certified
No
Blanket Included
No
Destination Country
US
Installation Type
INDOOR
Max Wattage
4,500
Number of Elements
2
Shipping Height 
39.75
Shipping Length 
29.75
Shipping Width 
27.5
Side Loop
No
Voltage
240
Dimension & Venting
Type
Water Heater
Diameter
26.5 in."
Shipping Weight
170lbs