Residential Gas Water Heaters
*Location for optional top-mounted
T&P Valve if ordered from factory.
A. O. Smith FVIR design meets the American National Standards Institute standards
(ANSI Z21.10.1 - CSA 4.1) that deal with the accidental or unintended ignition of
flammable vapors, such as those emitted by gasoline.
Feature a sealed combustion chamber with air intake filter and a flame arrestor built
into the water heater base. In addition, a thermal cutoff (TCO) device, is designed
to shut off gas flow to the burner and pilot if poor combustion is detected.
Flammable Vapor Ignition
Resistant (FVIR) Water Heaters
AOSRG45551
Recovery capacity based on actual performance tests.
Water Connections – 3/4" on all models.
† Propane Gas – 37,000 BTU input for 50 gallon models & 36,000 BTU for 40 gallon models and 32,000 BTU input for 30 gallon models.
For 10-Year Tank and 6-Year Parts Warranty, change “G” to “X” in Model Number (example: XCV-40).
Heat Trap Nipples factory-installed on all models.
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.
Maximum Hydrostatic Working Pressure: 150 PSI.
Page 2 of 2
SERIES 300/301
If flammable vapors accidentally enter the
combustion chamber, the arrestor is designed
so flames burn off the top surface and can not
escape down through the arrestor.
A. Industry standard thermopile
B. Large View Port for easy burner inspection
C. 360
0
combustion air filter
D. Thermal Cutoff (TCO) with manual reset
MODE L
NUMBE R
FIRST
HOUR
RATING
GALLON S
ENERG Y
FACTOR
GALLO N
CAPACIT Y
BTU
INP UT
PER HOUR
NATURA L
†
RECOVERY
90ºF RIS E
GALLON S
PER HOUR
FOAM
THICKNES S
(INCHES)
A
B
C
D
E
F
DRAF T
HOOD
OUTLE T
APPR OXIM ATE
SHIPPIN G
WEIGHT
(LBS )
TALL MODEL S
GCV-30
67
.61
30
35,500
36
1
61-1/2 58
16
13
8
52
3 or 4
112
GCV-40
70
.59
40
40,000
41
1
61-3/4 58-1/4
18
13
8
51-3/4
3 or 4
138
SHORT MODE LS
DIMENSION S IN INCHE S
GCV-50
88
.58
50
40,000
41
1
60-3/4
57
20
13
8
50-1/4
3 or 4
153
60
GCVL-30
.61
30
35,500
36
1
50
46-3 /8
18
8
40
3 or 4
112
®
13-1/2
66
B
A
F
D
1/2" GAS
CONNECTION
VALVE
C
COLD
CONNECTION
E
HOT
CONNECTION
ANODE ROD*
234324_AOSRG45551.indd 2
234324_AOSRG45551.indd 2
4/6/11 8:19 AM
4/6/11 8:19 AM
