PROMAX®SPECIALTY ELECTRIC FEATURES
TABLE TOP ELECTRIC WATER HEATERS
Feature convenient flat surface at 36" height, providing extra
“counter space” wherever installed. All plumbing and electrical
connections are made through back of water heater. 27 and
40-gallon capacities. Equipped with cross-link PEX cross-link
polymer dip tube.
LOWBOY SIDE-CONNECT ELECTRIC WATER
HEATERS
Feature compact design, side-mounted plumbing and electrical connections. Designed for installation under a counter, in
a crawl space or in other tight spaces. Tank capacities from
10 through 40 gallons. Single heating element.
POINT-OF-USE ELECTRIC WATER HEATERS
Designed for low-demand point-of-use applications, such as
lavatories in offices, or any building with remote restrooms.
2-gallon and 4-gallon tank capacities, with single heating
element. Includes 110/120V cord set with 3-prong plug
(optional on 240V models). Also includes wall-mounting
brackets for easy installation.
All PROMAX®SPECIALTY ELECTRIC WATER HEATERS
EQUIPPED WITH FACTORY-INSTALLED TEMPERATURE &
PRESSURE (T&P) RELIEF VALVE, FOAM INSULATION TO
PROTECT AGAINST HEAT LOSS
CODE COMPLIANCE: CEC, CABO, HUD, BOCA NATIONAL
CODES, ASHRAE/IES 90.1-1999 AND 2004 NAECA
CERTIFIED TO UL 174 FOR HOUSEHOLD ELECTRIC
WATER HEATERS
www.aosmithwaterheaters.com
Residential Electric Water Heaters
Table Top
Lowboy
Side-Connect
Point-Of-Use
SPECIALTY ELECTRIC
MODEL
NUMBER
FIRST
HOUR
RATING
GALLONS
ENERGY
FACTOR
GALLON
CAPACITY
STANDARD
240V
MAXIMUM
240V
RECOVERY
90ºF RISERVALUE
A B C
APPROX.
SHIPPING
WEIGHT
(LBS.)
TABLE TOP MODELS
ESTT-30 45 .89 27 4500 6000 21 12 36 25 21 141
ESTT-40 52 .88 40 4500 6000 21 12 36 25 24
174
STANDARD
120V
MAXIMUM
240V
LOWBOY SIDE-CONNECT MODELS
ELSC-10S N/A N/A 10 1500 3000 7 16 18 12-1/2* 18 51
ELSC-15S N/A N/A 15 1500 3000 7 16 25-3/4 20-1/2* 18 66
ELSC-20S N/A N/A 19 2500 3000 11 15 22-1/4 15-3/8* 21-3/4 84
STANDARD
240V
MAXIMUM
240V
ECJ-30 37 .93 29 4500 6000 21 16 30 24* 22 100
ECJN-40 43 .92 38 4500 6000 21 12 31-1/4 24-5/8* 23 131
POINT-OF-USE MODELS
N/A N/A 2 1440 @ 120V 7 8 12-3/4 N/A 10 21
N/A N/A 4 1440 @ 120V 7 8 20 N/A 10 27
RESIDENTIAL
Residential Electric Water Heaters
C
A
ALTERNATE
HOT OUTLET/T&P
OPENING
T&P OPENING
HOT OUTLET
COLD OUTLET
B
ARE-SS001-0405N
©2005 A. O. Smith Corporation Printed in U.S.A.
500 Lindahl Parkway, Ashland City, TN 37015
www.aosmithwaterheaters.com
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.
* “B” dimension is floor to T&P Valve and floor to hot water outlet.
Dimension from floor to cold water inlet on all lowboy side-connect models is 3-1/2".
Point-of-Use models have 1/2" inlet and outlet connections.
LOWBOY SIDE-CONNECT
POINT-OF-USETABLE TOP
DIMENSIONS IN INCHES
ELEMENT WATTAGE
ELJC-2
ELJC-4
A
B
C