Posted on December 5, 2018 by admin (PF13L160) What is diameter across top of unit? Inquiry: What is diameter across top of unit (PF13L160)? Outdoorstirfry: About 13″ Post navigationPrevious post: What is the difference between configurable and non configurable?Next post: Can this burner (PF13L160) be used with flat bottom pots or pans?