Spec Sheet

©May 2019 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 2 of 2
AOSRE50800
COMMERCIAL-GRADE
RESIDENTIAL ELECTRIC WATER HEATERS
*Models ship with supplied insulation blanket.
Models may have limited element options due to element size or other restrictions.
¾” water connections. Available with side T&P only.
Dimensions and specifications subject to change without notice in accordance with our policy of continuous product improvement.
INLET
DRAIN
VALVE
T&P VALVE
OUTLET
ANODE
JUNCTION
BOX
T&P VALVE
WATER CONNECTIONS
AB CC
D
E
Model Number
Nominal
Capacity
Rated
Storage
Volume
First Hour
Rating
(Gallons)
UEF
Recovery @
90°F Rise
Gallon
Per Hour
Voltage
Wattage Dimensions in Inches
Approx.
Shipping
Weight (lbs)
Upper
Element
Lower
Element
Height to Top
of Heater
Diameter
EMHT-30 30 27 50 0.90 14 120 3000 3000 46-3/4 19 98
EMHT-30 30 27 50 0.90 16 240 3500 3500 46-3/4 19 98
EMHT-30 30 27 50 0.90 21 240 4500 4500 46-3/4 19 98
EMHS-40W 40 36 40 0.91 14 120 3000 3000 50 22 109
EMHS-40W 40 36 40 0.91 16 240 3500 3500 50 22 109
EMHS-40 40 36 54 0.95 21 240 4500 4500 50 22 109
EMHL-30* 28 26 47 0.90 14 120 3000 3000 30 22 96
EMHL-30* 28 26 47 0.90 16 240 3500 3500 30 22 96
EMHL-30* 28 26 47 0.90 21 240 4500 4500 30 22 96
For technical information call 800-527-1953. A. O. Smith Corporation reserves the right to make product changes or improvements without prior notice.