Heat & Glo Fireplace RUTHERFORD 50 - Manual (Page 19)

19
60-7/8 in.
50 in.
18 1/2 in.
[470 mm]
19 3/4 in.
[500 mm]
4 in.
[102 mm]
50° angle
39° angle
24 in.
[610 mm]
BRICK
FRONT
FLUSH
FRONT
24 in.
[610 mm]
22 3/8 in.
[568 mm]
Note: Grid depicts 1 inch squares.
Figure 6.3 Combustible Mantel Leg or Wall Projections (acceptable on both sides of opening)
C. Sidewalls/Surrounds
• Locate adjacent combustible sidewalls a minimum of 24 in. (610 mm) from fi replace opening.
• Combustible and noncombustible mantel legs, surrounds and stub walls may be constructed per Figure 6.3.
D. Frame the Fireplace
Figure 6.4 shows typical framing using combustible materials (2x4 lumber shown).
• Observe all required air space clearances to combustible materials as shown in Figure 6.2.
• Framing across the top of fi replace must be above top standoffs.
B
C
A
2 in. (51 mm)
min. air space
clearance
from chimney.
Note: Framing must be
extended straight up,
all the way to the ceiling.
Header MUST NOT be notched!
D
D = extra space needed for outside air connection.
If outside air duct has no bend, this dimension may be
reduced as long as minimum clearances are met.
D
Figure 6.4 Framing the Fireplace
Model # A B * C ** D
RUTHERFORD-50 in. 61 7/8 28 3/8 74 1/2 12
mm 1572 721 1892 305
* If interior of chase will be drywalled, add the thickness to this meaurement.
** Adjust header height for raised fl oor under fi replace.
Heat & Glo • RUTHERFORD-50 • 4059-333 Rev D • 07/08