RealFlame 9620 LP Manuel D'utilisation page 13

ASSEMBLY INSTRUCTIONS
7
Place lava rock by hand. DO NOT dump bag out into tray to avoid
clogging the burner with dust. Position the lava rock (10kgs) to a level
about 1" above the top of the burner. Make sure that you do not block
the igniter box with lava rock to ensure proper ignition.
7
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