Installation
900079-00, 06/2017
Innovative Hearth Products
Sirius™ Linear Direct-Vent Gas Fireplaces
42
Figure 38 - Noncombustible Material with Cleanface
Finish—Profile View
Figure 39 - Noncombustible Material with
Surround—Profile View
Finishing with optional Surround
1. Remove clean-face frame
(Figure 42)
.
2. Installing the gas shut-off valve;
a. Pull gas flex line out from inside, beneath fireplace floor.
b. Place shut-off valve in valve bracket, threading flex line through gap in back.
c. Use coupler to attach additional flex line to shut-off valve.
d. Bend up tab on the side of valve bracket to hold shut-off valve in place
(Figure 40).
e. Attach valve bracket to unit with two screws.
f. Attach shut-off valve to incoming gas line with field-supplied coupler.
3. Place unit in wall framing.
NOTE: The provided non-combustible fiberboard may be faced with any NON-combustible finish material
appropriate for use (brick, tile, stone, high-temperature paint, etc.). For painted wall finish, use two (2) coats of
quality primer and high-temperature paint on provided fiberboard.
4. Secure nailing flanges to wall framing.
NOTE: If skimming the non-combustible board to match drywall, use Sheetrock
®
brand Durabond
®
90 setting
type joint compound to fill all joints. These trademarks are owned by United States Gypsum Company or a
related company
5. Cut noncombustible fireboard to size and install flush with top of frame pieces.
6. Finish out wall with 1/2” finishing materials – paint with high-temperature paint, etc. A total of 1” finish material
is needed to be flush with the surround back.
7. Attach surround in frame using screws a minimum of six at specified locations
(Figure 41)
.
8. Install barrier mounting brackets on side of surround.
* Insulation and combustible materials not allowed in shaded clearance zones around vent components.
** 6” straight vent section required before 90° elbow
*** Ensure stand-off spacers are assembled per instructions on
Page 19
(step 2).
Combustible material NOT ALLOWED
BELOW THIS POINT on face of unit.
Lip on Top Nailing Flange
(bottom edge of Fiberboard abuts lip)
Combustible Wall Finish Material
Top Non-Combustible
Fiberboard (provided)
Insulation and combustible
material NOT ALLOWED in shaded
clearance zones around vent
components.
*
Spacer
Min. 1"
(26 mm)
Min. 3"
(77 mm)
Wall
Stud
*
*
Header
**
Second 1/2” field supplied layer of
non-combustible board is
recommended to be flush with unit
***
For surround finish, cut top
fiberboard to height of installed
top spacers
.
Combustible material NOT ALLOWED
BELOW THIS POINT on face of unit.
Min. 1"
(26 mm)
Min. 3"
(77 mm)
Wall
Stud
*
*
**
Insulation and combustible
material NOT ALLOWED in shaded
clearance zones around vent
components.
*
Second 1/2” field supplied layer of
NON-COMBUSTIBLE board is
recommended, to be flush with unit.
Header
Combustible wall finish material
Top Non-Combustible
Fiberboard (provided)
Spacer
***
