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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
THIS PRINTOUT IS FOR REFERENCE ONLY!
Do not use this printout for color match or critical dimensions.
Printout made at 100% of final size.
THIS FILE HAS NOT BEEN TRAPPED.
This file was created with Adobe Illustrator 8.0.
DO NOT try to open this file with earlier versions.
Marketing Support Inc. assumes no responsibility for final print quality and
will not be held liable for errors or omissions due to alterations made to this
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If you have any questions about this file, or require further assistance,
contact MSI at 312-565-0044 .
500 Tennessee Waltz Parkway
Ashland City, TN 37015
www.hotwater.com
ARGSS02306
©2006 A. O. Smith Corporation Printed in U.S.A.
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.”
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 8 42 3 in 6 181
GDVH-40 71 .59 40 40,000 40 16 63-3/4 48-3/4 21 14-5/8 8 42 3 in 6 195
GDVS-50 77 .58 50 38,000 38 16 72-1/2 57-1/2 21 14-5/8 8 50-3/4 3 in 6 209
GDVH-50 87 .58 50 48,000 49 16 76 61 21 14-5/8 8 54-1/4 3 in 6 241
GDVH-75 109 .53 75 55,000 52 16 76-1/2 61-1/2 26-1/4 14-5/8 8 54-3/4 3 in 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 are required, 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