Vertical Vent Installation - Lennox Elite Series Installation And Operation Manual

Vertical Vent Installation

Important Notes
1. All vertically terminated vent installations use 6-5/8"x 4" Se-
curity™ Secure Vent™ pipe*.
2. If the vent passes through a ceiling or floor, a firestop - Simpson
#963 or Security™ #SV4BF - is required.
3. If the vent passes through the roof, a roof flashing - Simpson
#943 or 943S or Security™ #SV4FA or SV4FB - and storm collar
- Simpson #953 or Security™ #SV4FC - are required.
4. A 1-inch clearance from the vent pipe to combustible materials
must be maintained.
5. A maximum of either four 45º elbows or two 90º elbows may
be used. See Page 15 for allowable offsets.
6. The maximum system height is 30 feet (9.1M) and the minimum
is 10 feet (3M).
14
Storm Collar
Roof - Maintain
1" Clearance
to Combustibles
Ceiling Minimum
Framing 10"x 10"
Ceiling Firestop
Pipe Length
Figure 23
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Vertical Termination Cap
Flashing