Instructions / Assembly
9
Roof Jack Sizing Table
* Adjustable Length Roof Jacks
▲ Fixed Length Roof Jacks
Roof Jack Kits contain specied Roof Jack AND Air
Inlet Assembly.
§ These Part No.’s are for Roof Jack ONLY.
NOTICE: 24” Minimum distance from the top of the
water heater to the ceiling.
NOTICE - A Roof Jack Extension Kit (Part Number
AP12021) is recommended for roof pitches of 5½ -12 or
greater, or for installations where local codes require the
Roof Jack to be installed above the peak of the roof. In-
stallation instructions are provided with the kit.
Access Door (Right or Left)
No Openings Required
Roof Jack
(Purchased Separately)
Roof Flange
Roof
Ceiling
Floor
Bottom
Sheathing
Clamp (AE28924)
Supplied with Heater
Clamp (AE28924) and Gasket
(AP12014)
Supplied with Heater
Telescopic Vent Connector Pipe
(Supplied with Roof Jack)
Silicone Rubber Seal
(Supplied with Roof Jack)
Silicone Rubber Seal
(Supplied with Air Inlet Assembly )
Ground Level
Secure Strapping (AP11154)
to Water Heater Top Pan and
Enclosure Sides with S.M.
Screws provided
S.M. Screw (2 Supplied)
to Secure Legs to Floor
S.M. Screws to Secure Flashing to
Floor
NOTICE: Opening of Air Inlet Assembly
must be below bottom sheathing and unob-
structed to provide adequate combustion air
supply to heater.
Air Inlet Assembly
2" ª
6" Min.
"X" Dimension
(See Table Below)
Roof Jack
Adjustment Range
Legend
•
6" Minimum distance between bottom edge
of the roof jack outer pipe and the top of the
water heater.
ª 2” is minimum distance between ceiling and
"Must be installed below ceiling" line on Roof
Jack.
Roof Jack Kit
Part No.
Roof Jack ONLY
Part No. §
"X" Dimension (See
Illustration)
Roof Jack Adjustment
Range (See
Illustration)
AP12032B* AP12118B* 98" Min./126" Max. 16" Min./ 32" Max.
AP12032C* AP12118C* 112" Min./154" Max. 30" Min./60" Max.
AP12032D* AP12118D* 130" Min./ 189" Max. 48" Min./95" Max.
AP12032E▲ AP12119B* 94" Min./ 106" Max. 12"
This appliance must be installed in accordance with the
Manufactured Home Construction and Safety Standard (Title
24, CFR; Part 3280), the following instructions, local codes
and utility company requirements governing the installation of
water heaters in manufactured homes (mobile homes), and/or
in the absence of local codes, the latest edition of The National
Fuel Gas Code, ANSI Z223.1.
This water heater complies with Section 3280.707(d) (2) of
H.U.D. Mobile Home Construction and Safety Standards.
NOTICE - All sizes of Roof Jacks have an adjustable tilt Roof
Flange to accommodate installation on a pitched roof. Maximum
roof pitch is 5½ - 12. For roof pitches greater than 5½ - 12, the
use of a ”wedge” under the roof ange is acceptable provided it
is sealed and secured.
25° Max.
(5
1
/
2
-12 Pitch)
Adjustable Tilt
Roof Flange