A.O. Smith Promax Tall ECT-30 User manual

®
TALL, SHORT AND LOWBOY (TOP CONNECT) MODELS AVAILABLE
DYNACLEAN™ DIFFUSER DIP TUBE
Helps reduce lime and sediment buildup while maximizing hot water output. Made from long-
lasting PEX cross-linked polymer.
COREGARD™ ANODE ROD
Aluminum anode with stainless steel core protects tank against corrosion longer
than ordinary steel anodes.
DURABLE TAMPER-RESISTANT BRASS DRAIN VALVE
PERMAGLAS® GLASS COATING
Protects steel tank from corrosion and maximizes tank life.
CSA CERTIFIED AND ASME RATED T&P RELIEF VALVE
Top-mounted T&P Relief Valve available as option on some models.
6-YEAR LIMITED TANK AND PARTS WARRANTY
For complete information consult written warranty or A. O. Smith Water
Products Company.
UPGRADE TANK WARRANTY TO 10 YEARS
See details on page 2.
CODE COMPLIANCE:
Meets the Federal Energy Efficiency Standards effective January 20, 2004, according
to the National Appliance Energy Conservation Act (NAECA) of 1992 and the
standby loss requirements of the U. S. Department of Energy and current edition
of ASHRAE/IESNA 90.1.
CERTIFIED TO UL 174 FOR HOUSEHOLD ELECTRIC WATER HEATERS
UL
®
Residential Electric Water Heaters
Revised September 2008
Page 1 of 2
AOSRE50300
®
Revised August 2011
Low Lead Content
®
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®
C
HOT
CONNECTION COLD
CONNECTION
B
8"
A
ANODE ROD
ECT, ECS, ECL(N)
MODEL
NUMBER
FIRST
HOUR
RATING
GALLONS
ENERGY
FACTOR
GAL.
CAP. STANDARD MAXIMUM
RECOVERY
90ºF RISE
GALLON
PER HOUR
R
VALUE A B C
APPROX.
SHIPPING
WEIGHT
(LBS)
TALL MODELS
ECT-30 43 .93 30 4500 6000 21 16 46-1/2 18 39-1/2 90
ECT-40 52 .92 40 4500 6000 21 16 59-1/2 18 53-1/2 1
ECT-52 60 .9 50 4500 6000 21 16 54 20 47-1/2 1
ECT-55 67 .90 55 4500 6000 21 16 60-1/4 20 52-3/4 13
ECT-66 72 .88 66 4500 6000 21 16 60-1/4 20-1/2 53 17
ECT-80 81 .86 80 4500 6000 21 16 60-1/2 22-1/2 52 20
DIMENSIONS IN INCHES
ELEMENT WATTAGE
240 VAC
www.hotwater.com
For Technical Information and Automated Fax Service, call 800-527-1953. A.O. Smith Corporation reserves the right to make produ ct changes or improvements without prior notice.
Residential Electric Water Heaters
Revised September 2008 Page 1 of 2
AOSRE50300
®
Revised 2011
1
06
16
4
8
8
SHORT MODELS
ECS-30 43 .93 30 4500 6000 21 16 36-1/2 20-1/2 28
ECS-40 52 .92 40 4500 6000 21 16 44 20-1/2 37-3/4 1
ECS-50 60 .90 50 4500 6000 21 16 48 21-1/2 40-1/2 121
LOWBOY MODELS
ECL-30 41 .93 30 4500 6000 21 16 30 22 22-1/2
ECLN-40 48 .92 38 4500 6000 21 12 31-1/4 23 24-5/8 1
ECLB-40** .93 38 4500 6000 21 16 32-1/4 24 24-5/8 118
48
ECL-50 .91 50 4500 6000 21 16 34 26-1/2 25 164
55
ECT-120* 112 .81 119 4500 6000 21 16 64-1/4 28 54-1/4 336
90
03
91
13
Recovery capacity is based on actual performance tests.
For 10-year tank warranty, change “E” to “P” in model number (PCT-40).
* This model is not available with top T&P Valve.
10-year tank warranty and top T&P Valve option combo not available on ECLN-40 and ECL-50.
** Heater ships with supplied insulation blanket
200
200
210
210
210
210
200
200
200
210
200
200
200
200
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August