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BH-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL
36
8.7 Horizontal Ventilation 4'' (10 cm) Pipe
8.8 Vertical Ventilation 4'' (10 cm) Pipe
4" (10 cm)
Single Wall Pipe
Vent Adapter
Vent Terminal
Combustible or
Non-Combustible Wall
Vent Adapter
18" (46 cm)
Min.
Vent Terminal
4" (10 cm) Single Wall Pipe
Non-Combustible Wall Only
SIDE VIEW
Description Part Number
Vent Terminal (Comb. Wall) 90502100
Vent Terminal 02537801-XX
Wall Thimble 4" (10 cm) 90505600
4" (10 cm) Single Wall Pipe
4" (10 cm) Type "B" vent cap
Roof
Roof
Flashing
Approved
Thimble
(If Applicable)
18" (46 cm)
Min.
4" (10 cm) Type "B" vent pipe
The last section of vent pipe
passing through the roof or
wall may be Type "B" vent pipe.
All other vent materials in the
building must be single wall
vent pipe.
Vent Adapter
SIDE VIEW
Description Part Number
Vent Cap 4" (10 cm) 90502300