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LENNOX HEARTH PRODUCTS • RHAPSODY™ LINEAR DIRECT-VENT GAS FIREPLACES (MODELS RHAP42N & RHAP54N) • INSTALLATION INSTRUCTIONS
VENTINg INSTALLATION
(CONTINUEd)
VENT RESTRICTOR
REqUIREMENTS
Installation of the provided vent restrictor as-
sembly is required for the venting configura-
tions listed in Figure 24.
The Vent Restrictor Kit (provided with the
fireplace; see Figure 23) includes one vent
restrictor base, two wings, and four screws.
1. Refer to Figure 24.
For venting configurations listed under
"Setting 1":
Use the vent restrictor base only
(no assembly is required).
For venting configurations listed under
"Setting 2" or "Setting 3":
Use the four provided screws to attach
the two wings to the vent restrictor
base in the applicable position.
2. If the baffle and back panel are already
installed, remove them before proceeding.
See Page 27.
3. Install the vent restrictor assembly from
inside the firebox. With the flaps on the
vent restrictor base facing UP, carefully
bend the flaps inward just enough to slide
the assembly up into the vent collar, as
shown in Figure 25).
The vent restrictor is held in place by fric-
tion only.
The entire vent restrictor assembly must
be up inside the vent collar, with no portion
showing inside the firebox.
Vent Restrictor kit
(provided with fireplace)
(1) Vent Restrictor Base
(2) Wings
Figure 23
16
Setting 1 (Vent Restrictor Base only) is required for the following configurations:
• Horizontal termination with total vertical run of more than 6 ft.
• Vertical termination with total vertical run of 6–10 ft.
Setting 2 is required for the following configuration:
• Vertical termination with total vertical run of 10 + –40 ft.
Setting 3 is required for the following configuration:
• Vertical termination with total vertical run of 40 + –60 ft.
Figure 24
"flaps"
Figure 25: Vent Restrictor Installation
(4) Screws
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Vent Restrictor Assembly Settings and Applications
firebox
Vent
Collar
Vent
Restrictor
Assembly
(held in place by
friction only)
[DETAIL]
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