Step 4
Positioning,
Leveling, and
Securing the
Fireplace
1. Place the fireplace
into position.
2. Level the fireplace
from side to side and
from front to back.
3. Shim the fireplace
with non-combus-
tible material, such
as sheet metal, as
necessary.
4. Secure the fireplace
to the framing by
nailing or screwing
Step 5
The Gas Control
Systems
39
The diagram below shows how to properly
position, level, and secure the fireplace.
WARNING:
To ensure proper
clearances the front
framing header must
be installed on its
narrow edge and to
the front of the
frame.
Two types of gas control systems are used with
these models: Standing Pilot Ignition and Direct
Spark Ignition (DSI). Model SL-750TRS and
SL-550TRS have Standing Pilot Ignition only.
This system includes millivolt control valve,
standing pilot, thermopile/thermocouple flame
sensor, and piezo ignitor.
This system includes a 120VAC control valve,
electronic module and spark ignitor/flame sensor.