Section 3-3-3: Heat Shields - Montigo H42DF ST Installation & Maintenance Manual

Indoor residential gas fireplace
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Section 3-3-3: Heat Shields

Installing a Wall Mounted RHS8 Heat shield
The RHS8 Heat shield CANNOT be used WITHIN 36" horizontal or
60" vertically of the fireplace, (see figure 13a). For applications within
these dimensions the RHS101 Heat Shield MUST be used.
To install the RHS8, frame an opening in combustible construction,
Figure 13 below. Slide the Heat shield in place over the vent pipe
which attaches to the fireplace. After the fireplace and vent pipe has
been installed, clearances should match the dimensions in Figure 13.
1" Min.
Figure 13. RHS8 Installation. (Install by sliding over vent pipe where it passes
through the combustible construction).
Figure 13a. RHS8 Installation. (Minimum requirements).
Note: Images are shown without screens for clarity purposes. However,
your fireplace should not be operated without proper installation of
screens.
XG0237 - 150204
Installation
1" Min. Both sides Typical
RHS8 Heat Shield
Combustible Framing
36" Min
RHS8 Heat
Shield
Termination
60" Min.
Installing a Wall Mounted RHS101 Heat shield.
The RHS101 Heat shield MUST be used where the Termination falls
within 36" horizontal or 60" vertically from the fireplace. (Figure 13a)
Use the RHS102 where the termination is closer to the fireplace than
58" horizontally. To install the RHS101, Slide the Inner Section over
the vent pipe that will connect to the fireplace. Then fasten the vent
pipe to the back of the fireplace with a minimum of three sheet metal
screws. From the outside slide the RHS101 outer section on see Figure
14. To complete the installation fasten the Heat Shield Outer Section &
Termination frame to the structure Figure 14a.
Outer Section
RHS101 Heat Shield
Termination
Figure 14. RHS101 Installation. (Install by sliding Outer Section over
vent pipe where it passes through the combustible construction.
Outer Section
RHS101 Heat Shield
Termination
Figure 14a. Heat Shield. After sliding the outer section in place.
3/8" Min.
Figure 14b.
RHS101 Installation.
H*42DF ST Indoor Gas Fireplace
Drywall / sheetrock
RHS101 Heat Shield, inner Section
Vent pipe, from fireplace
Combustible
framing
Drywall / sheetrock
RHS101 Heat Shield, inner Section
3/8" Min. Both sides Typical
Inner Shield 9 3/8"
Outer Shield 10 1/4"
Combustible Framing
12" x 12"
Page 17

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