Savannah Heating BL21 Installation And Operating Instructions Manual page 25

Security Venting
The minimum vent system for horizontal termination must consist of:
Dura-Vent adapter Part # 0924N3 directly on top of unit
12" (305mm) vertical length of vent
90 degree elbow
12" (305 mm) horizontal length of vent
Wall thimble part #IMC1082A
Horizontal termination cap
The maximum horizontal vent system consists of:
Dura-Vent adapter Part # 0924N3 directly on top of unit
34' (10363 mm) vertical length directly on top of the stove
4 - 90 degree elbows
20' (6096 mm) maximum horizontal length
Wall thimble part# IMC1082A
Horizontal termination cap
The maximum vertical system consists of:
Dura-Vent adapter Part # 0924N3 directly on top of unit
Up to 34' (10363 mm) of vertical length
Fire stop
Flashing
Collar
Termination cap part # SV4CGV
Use a ceiling fire stop when penetrating a ceiling or floor. Use a wall thimble when penetrating an inside or
outside wall. Vent terminals shall not be recessed into a wall or siding.
Metal-Fab Venting
The minimum vent system for horizontal termination must consist of:
Metal-Fab adapter Part # 4DDA directly on top of unit
12" (305mm) vertical length of vent
90 degree elbow
12" (305 mm) length horizontally
Wall thimble part #IMC1082A
Horizontal termination cap 4DHT
The maximum horizontal vent system consists of:
Metal-Fab adapter Part # 4DDA directly on top of unit
34' (10363 mm) vertical length of vent
4 - 90 degree elbows
20' (6096 mm) maximum horizontal length
Wall thimble part# IMC1082A
Horizontal termination cap 4DHT
The maximum vertical system consists of:
Metal-Fab adapter Part # 4DDA directly on top of unit
Up to 34' (10363 mm) of vertical length
Fire stop
Flashing
Collar
Termination cap part # 4DVT
SV4CHC
SV4CHC
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