AO Smith AOSRE50608 Commercial-Grade Residential Electric Water Heaters User Guide

June 7, 2024
AO Smith

AO Smith logo

AO Smith AOSRE50608 Commercial-Grade Residential Electric Water Heaters

User Guide

Product Compliance

PROLINE® STANDARD

ENHANCED HEATING ELEMENTS

  • Dual 4500 watt elements for fast recovery and reliable operation*
  • Incoloy stainless steel lower element lasts longer than a standard copper element

DYNACLEAN™ DIFFUSER DIP TUBE

  • Helps reduce lime and sediment buildup and maximizes hot water output. Made from long-lasting PEX cross-linked polymer (diffuser design is not used on lowboy models.)

HIGHER EFFICIENCY

  • Eco-friendly non-CFC foam insulation, heat traps and other features combine to yield a higher Uniform Energy Factor that maximizes savings on operating costs.

COREGARD™ ANODE ROD

  • Our anode rods have a stainless steel core that extends the life of the anode rod allowing superior tank protection far longer than standard anode rods

BLUE DIAMOND® GLASS COATING

  • Provides superior corrosion resistance compared to industry standard glass lining

ENHANCED-FLOW BRASS DRAIN VALVE

  • Our residential water heaters have a solid brass, tamper resistant, enhanced-flow, ball type, drain valve
  • Uses a standard female hose fitting that allows for fast and easy draining during maintenance
  • Designed for easy operation, this valve includes an integral screwdriver slot that features a ¼ turn (open/close) radius, which not only permits full straight through water flow but also a quick and positive shut off

CODE COMPLIANCE

  • Meets UBC and ICC National Codes and listed with CEC
  • Complies with the Federal Energy Conservation Standards effective April 16, 2015, in accordance with the Energy Policy and Conservation Act (EPCA), as amended

APPROVED FOR MANUFACTURED HOUSING

  • All residential electric water heaters are compliant with HUD Standards for mobile homes/manufactured housing

CERTIFIED TO UL 174 FOR HOUSEHOLD ELECTRIC WATER HEATERS

CSA CERTIFIED AND ASME RATED T &P RELIEF VALVE

DESIGN-LISTED BY UNDERWRITERS LABORATORIES

  • Certified at 300 psi test pressure and 150 psi working pressure
  • Listed according to UL 174 standards governing storage tank-type electric water heaters

6-YEAR LIMITED TANK AND PARTS WARRANTY

  • For complete information, consult written warranty or go to hotwater.com

FIG 1 AOSRE50608 Commercial-Grade Residential Electric Water
Heaters

Male 3/4” water connections on 8” center.
*Models ship with supplied insulation blanket.

†For 10-year tank and 10-year parts warranty, change “E” to “P” in the model number (example: ENT-30 becomes PNT-30).

Models requiring a lower wattage than what is listed in the minimum wattage column and showing the @ symbol, will change to a “W” suffix model number.

“W” suffix models are available down to 1kW. (example: ENS-40 using 4,000 watt elements or less will become “ENS-40W”).

Top T&P is not available on the 10 year lowboy models and the ENL-40.

Dimensions and specifications subject to change without notice in accordance with our policy of continuous product improvement. Minimum wattage for ENT-50 is 3000 watts.

FIG 2 AOSRE50608 Commercial-Grade Residential Electric Water
Heaters

For technical information call 800-527-1953. A. O. Smith Corporation reserves the right to make product changes or improvements without prior notice.

© April 2021 A. O. Smith Corporation. All rights reserved.
www.hotwater.com | 800-527-1953 Toll-Free USA | A. O. Smith Corporation | 500 Tennessee Waltz Parkway | Ashland City, TN 37015

Read More About This Manual & Download PDF:

References

Read User Manual Online (PDF format)

Read User Manual Online (PDF format)  >>

Download This Manual (PDF format)

Download this manual  >>

Related Manuals