White Mountain Hearth LS-18P-1 Installation Instructions And Owner's Manual page 6

Apply loose material (glowing embers) per appropriate Installation
Instructions and Owner's Manual. Replacement of loose material
(glowing embers) must be purchased from Empire Comfort
Systems, Inc. Application of excess loose material (glowing embers)
may adversely affect performance of the heater. WARNING: All
previously applied loose material must be removed prior to
reapplication.
Replacement Loose Material (glowing embers) Part Number
LS-18P
LS-24P
LS-30P
Platinum Bright Embers
Note: A single layer of embers is to be used when applying Platinum
Bright Embers (alone or in combination with production embers)
to the burner.
K
M
J
F
B
A
Log Placement
LS-(18, 24, 30)P Logs
Attention: Do not use Figures 1 to 5 to order replacement logs.
Refer to Page 11, Parts List and Parts View to order
logs for your appropriate model number.
The following WARNING applies when log set is installed onto
an unvented gas burner assembly.
WARNING: This appliance is equipped for (natural or
propane) gas. Field conversion is not permitted.
Page 6
LOG PLACEMENT
15999
15970
15970
PE-20-1
L
H
I
G
E
C
Figure 5
D
20176-3-0107