Spartherm XS 500 Installation And Operating Instructions Manual page 36

Installation of the firebox lining:
Dismantling the firebox lining is carried out in the reverse order!
1. Place the base insulation into the
firebox.
2. Insert the fireclay blocks (Item 1) and
the apron blocks (Item 2).
3. Then insert the side wall blocks (Item
3) and afterwards the deflector plate
(Item 5). Already have the second side
block ready within easy reach so that
you can pick it up and insert it using
one hand.
4. Finally, insert both of the rear wall
blocks (Item 4).
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