@Stacy W, I'd not say slightly - it's a good 1/8" above (on our RNB range which I assume is identical to the rangetop). This is normal with commercial stuff (and some consumer?). I don't understand the problem?
@Jody Dietz, sounds like a good plan. Looking forward to hearing how it goes for you.
I think all of my thoughts on ventilalation are covered here: https://bamasotan.us/range-exhaust-hood-faq/ and here: https://www.houzz.com/discussions/5745986/commercial-range-hood-install. I believe z-line suffers from the same thing as many consumer hoods in having too little containmnet volume. I THINK Prestige MIGHT be the best option in consumer hoods.
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