VENT KIT
NUMBER
40- and
50-GALLON 75-GALLON GDVS-40
GDVH-40 GDVH-50 GDVS-50 GDVH-75
MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX.
STANDARD:
9000687 3-1/2 10 7/8 7-3/8 63-3/4 -76 -72-1/2 -76-1/2 -
OPTIONAL:
9001246 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
OPTIONAL:
9001247 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
OPTIONAL:
9001248 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
HORIZONTAL VENT EXTENSION
Back of heater to inside wall,
plus wall thickness when used
with these water heaters.
VERTICAL VENT EXTENSION
From floor to top of vent pipe when
used with these water heaters.
RESIDENTIAL Gas Water Heaters
F
E
D
CENTER
OF FLUE 3˝
1/2˝ GAS
CONNECTION
B A
C
5˝
Job #: SWHR 102679
File Name: 102679_SelectDirectVent.ai
Size: 00 x 00
Printing & Finishing: 4/cProc-Offset
Revision: 04
Updates: JPC12.5.03
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ARGSS02306
©2006 A. O. Smith Corporation Printed in U.S.A.
Recoverycapacities 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.”
MODEL
NUMBER
FIRST
HOUR
RATING
GALLONS
ENERGY
FACTOR
GAL.
CAP.
BTU
INPUT
PER HOUR
NATURAL
RECOVERY
90ºF RISE
GALLONS
PER HOUR
R
VALUE** A B C D E F
VENT
OUTLET*
APPROX.
SHIPPING
WEIGHT
(LBS)
GDVS-40 68 .59 40 36,000 36 16 63-3/4 48-3/4 21 14-5/8 842 3in 6 181
GDVH-40 71 .59 40 40,000 40 16 63-3/4 48-3/4 21 14-5/8 842 3in 6 195
GDVS-50 77 .58 50 38,000 38 16 72-1/2 57-1/2 21 14-5/8 850-3/4 3in 6 209
GDVH-50 87 .58 50 48,000 49 16 76 61 21 14-5/8 854-1/4 3in 6 241
GDVH-75 109 .53 75 55,000 52 16 76-1/2 61-1/2 26-1/4 14-5/8 854-3/4 3in 6 300
DIMENSIONS IN INCHES
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.
DIRECT-VENT
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).
Optional Vent Extension Kits (#9001246, #9001247 and #9001248) can be ordered for use when
longer horizontal vent extension or higher vertical vent extension arerequired, as shown in the
chart below.
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 Includes Extension Kit Termination Cap
9003612 9000687 (Standard) Aluminum
9003613 9001246 Aluminum
9003614 9001247 Aluminum
9003615 9001248 Aluminum
