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Co-Axial Roof Jack Sizing Table
Please note that the roof jack shown above is for illustration
purposes only and may not resemble the actual unit in your kit.
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 Co-Axial Roof Jack Assembly have an
adjustable tilt Roof Flange to accommodate installation on a pitched
roof. Maximum roof pitch is 8-12. For roof pitches greater than
8-12 an alternate roof jack can be purchased.
NOTICE: 12” Minimum recommended distance from the top of
the water heater to the ceiling for servicing the water heater.
9
Figure A - Top View of closet.
Water Heater
Water
Connections
Strap
Screws
Gas Control
(Thermostat)
Relief Valve
Water
Connections
Roof Jack
(Purchased Separately)
Roof Flange
Roof
Ceiling
Telescopic Vent Connection Pipe
(Supplied with Roof Jack)
Silicone Rubber Seal
(Supplied with Roof Jack)
Apply silicone sealant to lip of top plenum
for a tight seal with outer pipe.
Access Door (Right or Left)
No Openings Required
Roof Jack
Adjustment Range
Secure Strapping provided with
the Water Heater around the
edge of the top pan, above the
drain pan, and into the walls studs
with the S.M. screws provided.
Floor
Bottom Sheathin
g
12"
Min
X
See Dimension Table Below
2"
Drain Pan
42° Max. Tilt is
available with
optional kit.
(
10 3/4
-12 Pitch)
Adjustable Tilt
Roof Flange
34° Max.
(
8
-12 Pitch)
34° Max. (8-12
Pitch) Roof Jack
Kit Part Number
42° Max. (10 3/4-12
Pitch) Roof Jack Kit
Part Number
Roof Jack Adjustment
Range (See Dimesion X)
AP14363A AP14334A 24 - 37 Inches
AP14363B AP14334B 33 - 68 Inches
AP14363C AP14334C 45 - 97 Inches
AP14363D AP14334D 60 - 130 Inches
AP14363E AP14334E 72 - 160 Inches
Drain Pan
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