Cfx vent free fireplace system, Install mantel, Kt1233 wall bracket – Monessen Hearth CFX24 User Manual
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CFX Vent Free Fireplace System
20301726
INSTALL MANTEL
1. Place base near final position. Make sure you have access to all four (4) sides.
2. Place sides in the approximate location on base. Align back edge of side with back of base. 
Secure joining block #1 to bottom of side using two (2) 1Z\v” screws. Be sure joining block is 
flush with bottom of side piece. (Do not attach to base at this time)
3. With the aid of an assistant, and using two (2) joining block #4 and (12) 1Z\v” screws, secure
header to the sides. Carefully match the moulding.
4. Adjust cabinet assembly so it is centered from side to side and the back of the sides are aligned
with the back of the base.
5. Temporarily place top on side/header assembly. Adjust sides parallel to the base and top side.
Secure the sides to the base using two (2) 1Z\v” screws in each of the joining blocks.
6. Once the mantel is assem-
bled, temporarily place the 
fireplace into the mantel in or-
der to locate the trim pieces.
7. Center the fireplace in the
opening with the inside of the 
fireplace trim or facing even 
with the inside of the front of 
the mantel.
8. Attach the horizontal trim
piece to the mantel header. 
Make sure the horizontal 
trim is centered and there 
is an approximate 1/4” gap 
between the bottom of the 
horizontal trim and the top of 
the fireplace. Secure with two 
(2) screws; one on each end 
of the trim piece in the pre-
drilled holes.
9. Place the vertical trim pieces
so the edge is about 1/4” from 
the fireplace body. Make sure 
the joint between the trim 
pieces is satisfactory. Secure 
through joining block #3 into 
horizontal trim using two (2) 
screws. Attach joining block #2 to the bottom of the vertical trim. Repeat for other side.
10. Remove fireplace and move mantel to its final position. Cut wall base moulding as necessary
to provide adequate fit against wall.
11. Locate (anti-tip) bracket on wall so the cleat on the underside of the
mantel top is captured in the wall bracket and the wall bracket is screwed 
into a stud.
KT1233
wall bracket
Figure 8 - 
Wall Bracket
Joining Block #4
KT1220
assemble surround
Top
Joining 
Block #4
Right 
Side
Joining 
Block #3
Header
Joining 
Block #3
Left Side
Joining 
Block #2
Joining 
Block #2
Joining 
Block #1
Base
Joining 
Block #1
Vertical 
Trim
Vertical Trim
Horizontal Trim
KT1220
Figure 7 - 
Barrington Mantel
