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105188
OWNER’S MANUAL
OPTIONAL
POSITIONING OF
THERMOSTAT
SENSING BULB
FOR MASONRY AND
FACTORY-BUILT METAL
FIREPLACE
If your log set cycles to pilot, but the room
temperature drops to a lower than ideal
comfort level before the log set comes back
on, you may want to reposition the thermo-
stat sensing bulb.
The thermostat sensing bulb is located near
the gas valve assembly on the mounting
bracket. This location allows the thermostat
to keep the room temperature at an ideal
comfort level for most fireplace applica-
tions. For positioning the thermostat sens-
ing bulb elsewhere, an adhesive-backed
mounting clip is available.
Tools needed: 1/4" hex driver or socket
1. Remove logs. Locate the gas valve as-
sembly and thermostat sensing bulb
(see Figure 27).
2. With 1/4" hex driver or socket, loosen
the thermostat screw. Carefully slide
the thermostat sensing bulb out of the
retaining clamp (see Figure 29).
Note:
Do not remove the screw. Make
sure you tighten the screw after remov-
ing the thermostat sensing bulb.
IMPORTANT:
Do not force or bend the
thermostat sensing bulb or capillary.
3. The thermostat sensing bulb may be
located to the lower right front side of
fireplace. Determine location of sens-
ing bulb, but do not mount sensing bulb
until step 5. If you have a masonry fire-
place, see Figure 30 for location. If you
have a factory-built metal fireplace, see
Figure 31 for location. If your fireplace
has glass doors, position sensing bulb
directly behind door gap on right bot-
tom side (see Figure 32).
Thermostat
Sensing Bulb
Figure 27 - Location of Gas Valve
Assembly and Thermostat Sensing Bulb
Figure 28 - Adhesive-backed Mounting
Clip
Figure 29 - Removing Thermostat Sensing
Bulb
Thermostat
Screw
Retaining
Clamp
Thermostat
Sensing Bulb
Capillary
Gas Valve Assembly
Mounting
Bracket
Adhesive-
backed
Mounting
Clip
Figure 30 - Locating Thermostat Sensing
Bulb on Masonry Fireplace
Thermostat
Sensing
Bulb
Adhesive-
backed
Mounting
Clip
Thermostat
Sensing Bulb
Figure 31 - Locating Thermostat Sensing
Bulb on Factory-built Metal Fireplace
Adhesive-
backed
Mounting Clip
Glass Doors
Figure 32 - Installing Thermostat Sensing
Bulb behind Glass Doors
Thermostat
Sensing
Bulb
Thermostat
Sensing
Bulb
Capillary
Adhesive-
backed
Mounting
Clip
Figure 33 - Positioning the Thermostat
Sensing Bulb in the Vertical Position with
the Capillary at the Bottom
4. The mounting clip must be a minimum
of 3" from bottom of fireplace to pre-
vent crimping of capillary. Once you
have decided on a location, clean the
area thoroughly. Remove the paper
backing from the adhesive on back of
mounting clip. Press the clip into the
new location so that the thermostat
sensing bulb will be positioned verti-
cally with the capillary at the bottom
(see Figure 33). Slide the thermostat
sensing bulb into the clip.
IMPORTANT:
Do not crimp capillary.
Do Not Crimp
Capillary