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Innovative Hearth Products
DRL2000 & DRL3500 Series Direct-Vent Gas Fireplaces
Prepare the Fireplace Top Spacers
2.
1. The two (2) 4" standoff spacers on top of the fireplace cabinet are shipped flat. Remove the screw adjacent to the
detached end (Figure 7).
2. Bend the standoffs as shown (Figure 8):
3. Align the hole in the standoff with the hole in the fireplace top, and secure with the screw that was removed in
Step 1 (Figure 8).
Figure 7 - Unassembled standoff
Positioned flat as shipped from the factory
Screw
Installing Non-Combustible Front Fireboard Standoff
3.
A non-combustible standoff board is provided with the fireplace to prevent overlap of drywall or other material of portions of the fireplace that may
be prone to the buildup of heat. It is supported by a middle bracket and two side brackets.
NOTE: DRL3535TEN and DRL3545TEN models require a 4.75" non-combustible fireboard (provided) while DRL2035TEN and DRL2045TEN models
require a 2.75" non-combustible board (provided).
Figure 9 - Non-Combustible Front Fireboard Standoff
f i r e - p a r t s . c o m
Separate and note metal side (2)
and center (1) brackets.
Route the Gas Supply Line to the Fireplace
4.
1. Route a 1/2" (13 mm) gas line to the left side of the fireplace
(Figure 10).
NOTE: Gas lines must be routed, assembled, and made of
materials that are in strict accordance with local codes and
regulations. All fireplaces are factory-equipped with a flexible gas
line connector and a 1/2" shutoff valve (Page 44).
Proper Sizing of Gas Line
Properly size and route the gas supply line from the supply regulator to
the area where the appliance is to be installed per requirements outlined
in the National Fuel Gas Code, NFPA 54—latest edition (USA) or CAN/
CGA-B149.1—latest edition (Canada).
The gas supply line should not be connected to the appliance until step 14. Connect the Gas Line (Page 44).
NOTE:
•
All fireplaces are factory-equipped with a flexible gas line connector and 1/2" shutoff valve (Figure 35, Page 44).
•
See Massachusetts Horizontal Vent Requirements for additional requirements for installations in the state of Massachusetts in the
USA.
•
A pipe joint compound rated for gas should be used on the threaded joints. Be very careful that the pipe compound does not get
inside the pipe.
•
A sediment trap in the supply line as close as possible to the fireplace is recommended (see Figure 34).
•
Check with the local building official for local code requirements (e.g., Are below grade penetrations of the gas line allowed?, etc).
Top Standoff
Fireplace Front
Step 1: Remove two screws from the top and side of the unit. Bend the side bracket securing tab over the edge
of the unit and secure. Secure bracket to the top through the clearance screw hole.
Figure 8 - Assembled standoffs
Top Standoff
Fireplace
Front
Figure 10 - Routing the gas line - all models
(77 mm)
Installation
900994-00K, 07/2021
Left side front corner of
fireplace framing
Pipe coupling
(recommended)
7-5/8"
(195 mm)
3"
21
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