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3.3.4 Top Vent - Direct Vent Information (continued)
Natural Gas EP Unit ONLY
Selkrik Direct-Temp Venting
The minimum vent system for horizontal termination must consist of:
Simpson Dura-Vent adapter Part # 0924N3 directly on top of unit
90 degree elbow
12" (305 mm) length horizontally
Wall thimble part #IMC1082A
Horizontal termination cap 4DT-HC
The maximum horizontal vent system consists of:
Simpson Dura-Vent adapter Part # 0924N3 directly on top of unit
40' (12192 mm) vertical length directly on top of the stove
90 degree elbow
15' (4572 mm) maximum horizontal length
Wall thimble part# IMC1082A
Horizontal termination cap 4DT-HC
The maximum vertical system consists of:
Simpson Dura-Vent adapter Part # 0924N3 directly on top of unit
Up to 40' (12192 mm) of vertical length
Fire stop
Flashing
Collar
Termination cap part # 4DT-VC
Use a ceiling fire stop when penetrating a ceiling or floor. Use a wall thimble when penetrating an
inside wall or outside wall. Vent terminals shall not be recessed into a wall or siding.
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