BBQ SH-9902-B Owner's Manual page 14

Beware of spiders and insects
• Burners should be inspected and cleaned regularly.
• Spider nests and other insect nests like wasps could obstruct
gas flow in the burners and venturi's.
• This could result in a flash back fire which can cause serious
damage.
• Always visually check the burner flames to ensure proper
flame pattern.
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