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INSTALLATIONSTÛV 21
.9 REFRACTORY BRICKS
Step 67 Raise the glass to access the
inside of the combustion chamber in order
to install refractory bricks 1 and 2.
Step 68 Position the corner refractory
brackets behind refractory bricks 1 and 2
in the direction shown. The brackets must
be placed symmetrically.
Step 69 Place the refractory stone 3
making sure that the small notch is in the
front.
Step 70 Press bricks 4 and 5 together to
place them to their position.
Step 71 Continue placing the bricks in
order. Check the previous page for the
black dots, tightening refractory clips
must be installed at these places.
Step 72 Once the bottom bricks are in
place, push the side bricks to the back to
properly secure the bricks and clips.
NOTE
Refractory brackets and tightening
clips are only provided for the 21-
105 SF and 21-125 SF models. These
should only be installed if the back
refactory bricks are not tight enough.
!
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