Product Overview

Residential Gas Water Heaters
Page 2 of 2
www.hotwater.com AOSRG45250
For Technical Information call 1-800-527-1953. A. O. Smith Corporation reserves the right to make product changes or improvements without prior notice.
RESIDENTIAL GAS MODELS
MODEL
NUMBER
SERIES
FIRST
HOUR
RATING
GALLONS
ENERGY
FACTOR
(EF)
GALLON
CAPACITY
BTU
INPUT
PER
HOUR
NATURAL*
RECOVERY
90°F RISE
GALLONS
PER HOUR
FOAM
THICKNESS
(INCHES)
DIMENSIONS IN INCHES
DRAFT
HOOD
OUTLET
APPROX.
SHIPPING
WEIGHT
(LBS)
A B C D E F
TALL MODELS
GCF-40 100 67
.67 40 40,000 42 2 64-1/4 58-1/4 20 13 8 51-3/4 3 or 4 152
GCF-50 100 81
.67 50 40,000 42 2 63-1/2 57-1/4 22 13 8 50-1/4 3 or 4 167
SHORT MODEL
GCFL-40 100 67
.67 40 40,000 42 2 54 47-3/4 22 13 8 41 3 or 4 149
Recovery capacity based on actual performance tests.
Water Connections - 3/4” on all models.
External heat trap nipples are factory-installed on all models
Order SMR S45 for Top T&P - Example GCF-40 S45
All models are ENERGY STAR
®
qualified.
A
*Propane (LP) gas - 37,000 BTU input for 50-gallon tall models and 36,000 BTU for 40-gallon models
50-gallon short model, not available in LP gas
ll models are certified from sea level to 10,100 ft. elevations
B
A
F
D
1/2" GAS
CONNECTION
T&P VALVE
COLD
CONNECTION
C
E
HOT
CONNECTION
ANODE ROD*
* Location for optional top-mounted T&P Valve if ordered from factory.
Maximum Hydrostatic Working Pressure: 150 PSI.
233152_AOSRG45250.indd 2 2/15/11 8:18 AM
Revised April 2013
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®
3 or 4 175
42-1/2
8
13-1/4
24
49-1/2
55-3/4
.67 50 40,000 42 2
GCFL-50 100 86
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