Manual

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 - SERIES 100
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.
Natural gas only.
All 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.
AOSRG45250 Res Gas .67 Spec Sheet:AOS Effex Res HE Spec Sheet 1/31/11 11:47 AM Page 2