Service manual

SECTION 8: VENTING
17
FIGURE 15: Horizontal Venting
8.5 Vertical Venting
Vent length should be limited to less than 30' (9 m).
If using vent lengths greater than 30' (9 m),
condensation will form in the vent pipe. Insulation
and additional sealing measures will be required.
Length of flue pipe is equal to total of vertical and
horizontal length.
FIGURE 16: Vertical Venting
25' (7.6 m)
and 3 Elbows Maximum
25' (7.5 m) and 3 Elbows Maximum
50' (15 m) and 3 Elbows Maximum
18" min.-40" max
46 cm min.-
101 cm max
Approved Thimble
(If Applicable)
4" (10 cm)
Vent Terminal
Tjernlund VH1-4"
(10 cm)
Vent Terminal
Bird Screen
(included w/
Pump
Package)
5" (12.5 cm) Single Wall Pipe
6" (152mm) Single Wall Pipe
5" to 4" (12.5 to 10 c
m) Reducer
6" to 4" (15 to 10 cm) Reducer
Tjernlund VH1-6"
(15 cm)
Vent Terminal
18" min.-40" max
46 cm min.-
101 cm max
4" (10 cm) Single Wall Pipe/Tube
Tjernlund VH1-6"
(15 cm)
Vent Terminal
6" to 5"
(15 to 12.5 cm)
Reducer
Approved
Vent Cap
Approved
Thimble
(if applicable)
2' (.6 m)
Minimum
Silicone
Rubber Ring
Approved
Thimble
(if applicable)
1" (2.5 cm)
P. V. C
Tee
Drain Cap
Description Part Number
Tee 4" (10 cm) 01330203
Vent Cap 4" (10 cm) 90502300
Drain Cap 4" (10 cm) 02718851