Residential Gas Water Heaters
DIRECT-VENT
®
SURE SHOT FEATURES
DIRECT-VENT DESIGN
One-pipe, dual-channel closed-combustion system draws
all make-up air from outside the home, eliminating problems
caused by insufficient indoor ventilation.
Horizontal air intake and venting on most models up to
4 feet from outside wall, with no electrical power needed.
6-YEAR LIMITED TANK & PARTS WARRANTY
For complete information, consult written warranty or A. O. Smith Water
Products Company.
A. O. SMITH DYNACLEAN™ DIFFUSER DIP TUBE
Helps reduce lime and sediment buildup, maximizes hot water output.
Made from long-lasting PEX cross-link polymer.
COREGARD™ ANODE ROD
An A. O. Smith exclusive. Aluminum anode with stainless steel core
protects tank against corrosion longer than ordinary mild steel anodes.
GREEN CHOICE™ GAS BURNER
Patented “eco-friendly” design reduces NOx emissions up to 33% and
complies with Southern California and Texas requirements.
DURABLE TAMPER-RESISTANT BRASS DRAIN VALVE
®
A. O. SMITH PERMAGLAS GLASS COATING
Protects steel tank from rust.
FACTORY-INSTALLED TEMPERATURE & PRESSURE (T&P)
RELIEF VALVE
CODE COMPLIANCE: UBC, CEC, SBCC, CABO, HUD, BOCA
NATIONAL CODES, ASHRAE/IES 90.1-1999 AND 2004 NAECA
DESIGN-CERTIFIED BY CSA INTERNATIONAL
According to ANS Z21.10.1 standards governing storage-type water heaters.
October 2006
ARGSS02306
Gas Water Heaters
RESIDENTIAL
DIRECT-VENT
FIRST
BTU
RECOVERY
90ºF RISE
APPROX.
SHIPPING
WEIGHT
(LBS)
DIMENSIONS IN INCHES
MODEL
HOUR ENERGY GAL.
INPUT
R
VENT
OUTLET*
NUMBER RATING FACTOR CAP. PER HOUR GALLONS VALUE**
A
B
C
D
E
F
GALLONS
NATURAL PER HOUR
GDVS-40
GDVH-40
GDVS-50
GDVH-50
GDVH-75
68
.59
.59
.58
.58
.53
40
40
50
50
75
36,000
40,000
38,000
48,000
55,000
36
40
38
49
52
16
16
16
16
16
63-3/4 48-3/4
63-3/4 48-3/4
72-1/2 57-1/2
21
21
21
21
14-5/8
14-5/8
14-5/8
14-5/8
8
8
8
8
8
42
42
3 in 6
3 in 6
181
195
209
241
300
71
77
50-3/4 3 in 6
54-1/4 3 in 6
54-3/4 3 in 6
87
76
61
109
76-1/2 61-1/2 26-1/4 14-5/8
Recovery capacities based on actual performance tests.
Propane input on GDVH-50: 44,000. GDVH-75 not available in propane.
* Dual-channel system has 3˝ vent pipe inside 6˝ air intake pipe.
** R Value shown is “performance rated.”
®
5˝
Sure Shot Direct-Vent Water Heaters are shipped with Standard Vent Kit #9000687, which
allows for horizontal vent extension (back of water heater to inside wall plus wall thickness) up
to 10˝ on 40- and 50-gallon models, and up to 7-3/8˝ on the 75-gallon model. Standard Vent Kit
#9000687 adds 15˝ to the total height of the installation (floor to top of vent pipe).
E
Optional Vent Extension Kits (#9001246, #9001247 and #9001248) can be ordered for use when
longer horizontal vent extension or higher vertical vent extension are required, as shown in the
chart below.
CENTER
OFLUFE 3˝
HORIZONTAL VENT EXTENSION
VERTICAL VENT EXTENSION
Back of heater to inside wall,
From floor to top of vent pipe when
plus wall thickness when used
VENT KIT
NUMBER
used with these water heaters.
with these water heaters.
40- and
GDVS-40
GDVH-40
75-GALLON
50-GALLON
GDVH-50
GDVS-50
GDVH-75
MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX.
STANDARD:
9000687
F
B
A
3-1/2
10
7/8 7-3/8 63-3/4
-
76
-
72-1/2
-
76-1/2
-
1/2˝ GAS
CEOCNTNION
OPTIONAL:
9001246
OPTIONAL:
9001247
OPTIONAL:
9001248
10 15-1/2 7-3/8 12-7/8 72 77-1/2 84-1/4 89-3/4 80-3/4 86-1/4 86-1/4 91-1/4
15-1/2 26-1/2 12-7/8 23-7/8 77-1/2 88-1/2 89-3/4 100-3/4 86-1/4 97-1/4 91-1/4 102-1/4
26-1/2 48 23-7/8 45-3/8 88-1/2 110 100-3/4 122-1/4 97-1/4 118-3/4 102-1/4 124-1/4
D
C
If SMR “S99” is ordered, the vent kit will ship prior to the water heater. One of the vent kits below must be ordered at the same time as the heater.
Complete Vent Kit
9003612
Includes Extension Kit
9000687 (Standard)
9001246
Termination Cap
Aluminum
Aluminum
Aluminum
Aluminum
9003613
9003614
9003615
9001247
9001248
500 Tennessee Waltz Parkway
Ashland City, TN 37015
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.
©2006 A. O. Smith Corporation
Printed in U.S.A.
ARGSS02306
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