INSTALLATION AND OPERATING INSTRUCTIONS
4211-70 G
Rev. 3
5/9/14
R.D. LD
DIAGRAM 7
Locate vent under
the top bench
TYPICAL PRE-CUT WALL CONSTRUCTION
2x4" framing
1/2" wallboard
fiberglass insulation
1/2" wallboard
T&G soft wood
foil vapor barrier
HEATER SCREEN (GUARD RAIL)
min 1"
min 2"
min 2"
Heater screen
DIAGRAM 8
VENTILATION
DIAGRAM 9
Page 9
DIAGRAM 10
c. Loosely place rock
2 to 3" deep over the
element tops.
High Limit
Sensor
Should have rocks
between
the front
element and the
outer wall of
the heater.
b. Rocks must be placed between the
elements and the wall of the rock compartment.
Incorrect Placement
of Rocks
a. Loosely place rocks between
the elements so air flow is not
restricted.
Rock Bottom
Wall Bracket
1. Put smaller rocks in first around the outer perimeter
of the rock compartment.
2. Completely fill all four sections (front, 2 center
sections between elements, and back).
3. In the outer sections, use smaller rocks placed more
tightly (see note b).
4. Place rocks loosely in the center 2 sections (see
note a).
5. Be sure rocks completely cover the elements (see
note c).
6. Loosely cover the tops of all elements with rocks a
minimum of 2” to 3”.
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