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INSTALLING DAMPER / ANCHOR PLATE (MM12AP) FOR PRE-
FABRICATED CHIMNEY SYSTEM
All chimney systems must be installed with an integrated Damper
System / Anchor Plate installed on top of the fireplace. Installers are
cautioned to put the chimney system together exactly as instructed
in the Venting Installation on page 13. Any variations may have
serious consequences resulting in an accident or malfunction.
If instructions are not followed, the warranty on the product will
become null and void.
If installing a Damper/Anchor Plate Combination:
1. Apply a 1” thick ceramic fiber blanket to the bottom of the
anchor plate (See Figure 61).
FIREPLACE INSTALLATION
Continued
Figure 62 - Installing Anchor Plate
Figure 61 - Applying gasket cement
1" ceramic fiber blanket
under Anchor Plate.
Secure with four 3/16" x
1-3/4"masonry screws.
1/4" bead of gasket
cement
Apply a 1/4" bead of
gasket cement around
base of Anchor Plate
2. Apply balance of gasket cement in a ¼” bead on top of smoke
dome approximately 1-½” around periphery of chimney hole.
Install damper assembly on top of unit pressing damper and
insulation blanket into cement (Figure 62). Secure with four
3/16” X 1¾” masonry screws.
3. Place chimney adapter onto top of damper plate and center in
opening using gasket supplied with adapter.
4. Attach adapter with screws supplied by carefully drilling holes
into damper plate.
5. Attach damper chain stop on center rear of lintel 3” (three inch)
vertical from opening using (3) #8 cement fasteners.
ATTENTION:
Clearance to combustible construction cannot be
reduced during course of construction. For the safe operation of the
finished fireplace, these clearances must be followed when building
the framework for the chimney system.
NOTE:
The most important aspect of the installation is maintaining
the minimum required clearances to combustible materials
according to the chimney pipe manufacturer’s recommendations,
otherwise a potential fire hazard may occur.
WARNING: Do not interchange chimney parts with
any other parts except those specifically required by
IHP otherwise a potential hazardous condition may
be created.