11
Figure 16. Ceiling Cavity Depth
ROOF JACK
CROWN
SLANT DECK
FLASHING
PITCHED
ROOF
CEILING
CEILING
CAVITY
Roof
Opening
"X"
(SEE TABLE 5)
Flue Pipe
Combustion Air Pipe
56"
or
76"
Furnace
“A”
“B”
SLANT DECK
FLASHING
PITCHED
ROOF
CEILING
ROOF
OPENING
"X" (SEE TABLE 5)
CEILING
CAVITY
CEILING
OPENING
ROOF JACK
CROWN
Figure 17. Example of Flat Jack with Flashing
5/12 ROOF SLOPE
2
SLANT DECK
/12
1 2
ROOF JACK WITH
2
FLASHING
/12 SLANT
1 2
Figure 18. Example of 2½ / 12 Slant Jack
with Flashing
Table 3. Roof Jack Assemblies
S
S
AW
27 47 - 2
AW= ALL WEATHER
FLASHING
PITCH/12" RISE
0=FLAT
2=2.5/12
4=4/12
MIN. ADJ.
LENGTH
F = FLAT FLASHING
S = SLANT FLASHING
MAX. ADJ.
LENGTH
FLUE STEEL TYPE
A= ALUMINIZED
S=STAINLESS
MODEL NUMBER
APPROX. LENGTH
BELOW FLASHING
(F,S)AW1523-(0,2,4)(A,S)
15” - 23”
(F,S)AW2135-(0,2,4)(A,S)
21” - 35”
(F,S)AW2747-(0,2,4)(A,S)
27” - 47”
(F,S)AW3563-(0,2,4)(A,S)
35” - 63”
(F,S)AW5195-(0,2,4)(A,S)
51” - 95”
NOTE:
Not all models are available. Check with your local distributor
for available models.
Figure 19. Cut-Out Dimensions for
Flue & Roof Jack
CEILING
CUT-OUT FOR
FLUE AND
ROOF JACK
CL
CL
24"
20"
13 1/2"
REAR WALL OF CLOSET OR ALCOVE
10"
FURNACE
OUTER
DOOR
FURNACE OUTLINE
Table 4. Slant Deck Flashings
ROOF JACK
SERIES
IF ROOF
PITCH IS:
SLANT DECK
FLASHING
NUMBER
“X”
“F Series
2” in 12”
903893 (2.5/12)
2-1/8”
2-1/2” in 12”
903893 (2.5/12)
2-1/2”
3” in 12”
903894 (3/12)
2-7/8”
3-1/2” in 12”
903894 (3/12)
3-1/4”
4” in 12”
903895 (4/12)
3-5/8”
“S” Series
(2.5 / 12 Pitch only)
4-1/2” in 12”
903895 (2.5/12)
2-1/8”
5” in 12”
903895 (2.5/12)
2-1/2”
5-1/2” in 12”
903894 (3/12)
2-7/8”
6” in 12”
903894 (3/12)
3-1/4”
6-1/2” in 12”
903895 (4/12)
3-5/8”
Optional deck flashings for flat and 2.5/12 pitch roof jacks.
4/12 pitch roof jacks not applicable.
Summary of Contents for MG1 Series
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