A
B
B
ELECTRICAL
OPENING
T&P
VALVE
COLD
INLET
HOT
OUTLET
C
T&P
VALVE
MODEL
NUMBER
FIRST HOUR
RATING
GALLONS
ENERGY
FACTOR
GALLON
CAPACITY
STD.
VOLTAGE/WATTAGE
RECOVERY
90°F RISE
GALLONS
R
VALUE
A
B
C
APPROX.
SHIPPING
WEIGHT
(LBS)
ESM-20
–
–
19.9
120V, 1650 Watts
8
12
34
26-1/2
17
76
ESM-30
43
.93
30
240V, 3800 Watts
17
16
37-1/2
28-1/4
20-1/2
90
ESM-40
51
.93
40
240V, 3800 Watts
17
16
46
38-1/4
20-1/2
115
ESM-50
58
.95
50
240V, 3800 Watts
17
16
56
47-3/4
20-1/2
140
RESIDENTIAL
DIMENSIONS IN INCHES
Electric Water Heaters
MANUFACTURED HOUSING
Energy Saver
500 Tennessee Waltz Parkway, Ashland City, TN 37015
For Technical Information and Automated Fax Service, call 800-527-1953.
A. O. Smith Corporation reserves the right to make product changes or improvements without prior notice.
Page 2 of 2
ARESS00606
©2006 A. O. Smith Corporation
Printed in U.S.A.
AOSR-112384-2.5M
www.hotwater.com
