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11
The framing headers may
rest on the fireplace stand-offs.
Models
A
B
C
D
E
R-6500TR
49
42 1/4
16 1/4
44
29 1/2
R-4500TR &
42
38 1/4
16 1/4
41
25 1/2
R-4500TRH
R-3500TR &
37
33
16 1/4
36 1/2
22
R-3500TRH
NOTE: DIMENSIONS SHOWN IN INCHES
Figure 5. Framing Dimensions
Framing should be
constructed of 2 X 4 lumber or heavier.
WARNING:
To ensure proper
clearances, the front
framing header must be
installed on its narrow
edge and to the front of
the frame.
For Vertical
For Horizontal Sections
Sections
At Wall Firestops
Top
Bottom
Sides
Top
Bottom
Sides
3 inches
1 inch
1 inch
1 inch
2-1/2 inches 1/2 inch
1 inch
(75 mm) (25 mm) (25 mm)
(25 mm)
(63.7 mm) (13 mm) (25 mm)
For minimum clearances, see the direct vent
termination clearance diagrams on pages 38 and 40 in
this section.
Step 2
Framing the
Fireplace
Fireplace framing can be built before or after the
fireplace is set in place. Framing should be positioned
to accommodate wall coverings and fireplace facing
material. The diagram below shows framing reference
dimensions.
CAUTION
MEASURE FIREPLACE DIMENSIONS, AND
VERIFY FRAMING METHODS AND WALL
COVERING DETAILS, BEFORE FRAMING
CONSTRUCTION BEGINS.
Minimum Clearances from the Vent Pipe to
Combustible Materials