Product Details
 
The ProLine® Standard Electric water heater is the reliable choice when you want to maximize hot water output and energy savings. With a 40-gallon (nominal) tank and dual 4,500 watt elements, the ENT-40 delivers a first hour rating of 53 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 standards and are only available for purchase through professional wholesalers and contractors.
Delivers 53-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
HUD compliant, approved for mobile homes/manufactured housing
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
 
Product Specifications
 
Tech Specs
Nominal Capacity: 
40
Rated Storage Volume 
36
UEF
0.92
First Hour Rating:
53
Upper Element Wattage:
4500
Lower Element Wattage:
4500
Max Wattage:
6000
Voltage:
240
Minimum Voltage Required:
240
Limited Tank Warranty:
6 Years
Limited Parts Warranty:
6 Years
Anode:
Coregard? Sacrificial Anode
Self Cleaning:
Yes
T&P Relief Valve:
Yes
Water Connection Location:
Top
Water Connection Size:
3/4"
Dimensions & Venting
Type:
Tall
Height:
61 1/4"
Diameter:
18"
Width:
18"
Depth:
18"
Product Weight:
118