Vertical Termination Systems; Typical Vertical Termination Systems; Vertical Termination System Rise-To-Run Ratios - Lennox Hearth Products Rhapsody RHAP42N Installation Instructions Manual

LENNOX HEARTH PRODUCTS • RHAPSODY™ LINEAR DIRECT-VENT GAS FIREPLACES (MODELS RHAP42N & RHAP54N) • INSTALLATION INSTRUCTIONS
VERTICAL
TERMINATION SySTEMS
TyPICAL VERTICAL
TERMINATION SySTEMS
• Typical vertical termination systems are
shown in Figures 28, 29, and 30.
• Select the vent design that matches your
requirements, and make sure the vent run
conforms to the rise-to-run ratios listed in
Table 7.
• 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.LennoxHearthProducts.com
(>Owners Resources>Product Literature),
or ask your dealer or distributor for more
information.
• See the "VENTING INSTALLATION" section
(Pages 13–19) for additional details.
Vertical firestop/
Spacer
V 1
Figure 29: Vertical Termination System with Two 90° Elbows
18
Max. 60 ft
(18 m)
Min. 6 ft
(1.8 m)
Figure 28: Vertical Termination System
H
u
Horizontal

firestop/
Spacer u
V

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT 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 u
Spacer
H 1
Figure 30: Vertical Termination System with Three 90° Elbows
VERTICAL TERMINATION
SySTEM RISE-TO-RUN RATIOS
Max. Total H Min. Total V
feet (meters) feet
5 (1.524) 3.3
10 (3.1) 6.5
15 (4.65) 10
20 (6.096) 13.5
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. 13.5 ft total vertical venting.
Table 7
__________
u Vertical firestop/Spacer must be used
anywhere vent pipe passes through a
combustible floor or ceiling.
.25 Horizontal firestop/Spacer must be used
anywhere vent pipe passes through a
combustible wall.
.25 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 minimum of 6"
pipe (RHAP54) or 12" (RHAP42) must be
used between the fireplace collar and a
90° elbow. For more details, see "Elbows"
on Page 14.
Horizontal firestop/
u
Spacer
H
(meters)
(1.006)
(1.981)
(3.048)
(4.115)

V
