A.O. Smith ProLine Standard Electric Spec Sheet
COMMERCIAL-GRADE
RESIDENTIAL ELECTRIC WATER HEATERS
© 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
Page 1 of 2
AOSRE50608
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
PROLINE
®
STANDARD