LG P1BRENTW-A - Manual (Page 29)

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4.4 ANGLED WALL RADIATION SHIELD
(ACRSM30, ACRSMI30)
When traversing a combustible wall with the chimney at a 30º, an angled firestop or wall
radiation shield must be installed. Only one is required.
In cold climate locations, we recommend that you use the insulated wall radiation shield
since it will maintain the home’s thermal barrier.
RSM+ and RSMI30, RSMI45
CHIMNEY MODEL ANGLE HOLE SIZE
AC (6" dia.) 30º 380 mm x 972 mm (15" x 38 ¼")
Table 5
Figure 28