Vertical Termination Systems; Typical Vertical Termination Systems; Vertical Termination System Rise-To-Run Ratios - Lennox Rhapsody RHAP54N Installation Instructions Manual

LENNOX HEARTH PRODUCTS • RHAPSODY™ LINEAR DIRECT-VENT GAS FIREPLACES (MODEL RHAP54N) • INSTALLATION INSTRUCTIONS
VERTICAL
TERMINATION SySTEMS
TyPICAL VERTICAL
TERMINATION SySTEMS
• Typical vertical termination systems are
shown in Figures 18-1, 18-2, and 18-3.
• Select the vent design that matches your
requirements, and make sure the vent run
conforms to the rise-to-run ratios listed in
Figure 18-4.
• If the parameters of your vent run fall
outside the parameters described herein,
consider installing the Power Vent kit.
See manual 506022-01, which is available
for download from www.Lennox.com
(>Hearth >Products), or ask your dealer or
distributor for more information.
• See the "VENTING INSTALLATION" section
(Pages 13–17) for additional details.
Vertical firestop/
Spacer
V 1
Figure 18-2: Vertical Termination System with Two 90° Elbows
18
Max. 60 ft
(18 m)
Min. 6 ft
(1.8 m)
Figure 18-1: Vertical Termination System
H
u
Horizontal

firestop/
Spacer u
V

NOTE: DIAGRAMS AND ILLUSTRATIONS ARE REPRESENTATIVE AND ARE NOT DRAWN TO SCALE.
Vertical Termination
flashing and
Storm Collar
See "CLEARANCES"
section in this
manual.
Vertical firestop/
Spacer u
SecureVent™
Vent Sections

Vertical firestop/
V 1 Spacer
H 1
Figure 18-3: Vertical Termination System with Three 90° Elbows
www.LennoxHearthProducts.com
VERTICAL TERMINATION
SySTEM RISE-TO-RUN RATIOS
Max. Total H
feet (meters)
5 (1.524)
10 (3.1)
15 (4.65)
20 (6.096)
Total H = Max. 20 ft (6.096 m).
Total H + Total V = Max. 60 ft (18.3 m).
Example: A 20-ft total Horizontal vent run
requires min. 5 ft total vertical venting.
Figure 18-4
__________
u
Vertical firestop/Spacer must be used
anywhere vent pipe passes through a
combustible floor or ceiling.
Horizontal firestop/Spacer must be used
anywhere vent pipe passes through a
combustible wall.
For details, see "Firestop/Spacer Require-
ments" on Page 13.

Install the provided Vent Restrictor, if
required (see Page 16).
 A 90° elbow may NOT be attached
directly to the appliance collar. A mini-
mum of 6" pipe must be used between
the fireplace collar and a 90° elbow. For
more details, see "Elbows" on Page 14.
Horizontal firestop/
u
Spacer u
H
Min. Total V
feet (meters)
3.3 (1.006)
6.5 (1.981)
10 (3.048)
13.5 (4.115)

V
