Officially took delivery of our new 2021 337RLS today. Will be delivered to us in a week as I'm switching trucks right now.

Interesting thing I noticed that I'm curious if anyone has feedback on.

I had the basement door open, and has turned off the ACs. I turned on the max air fan in the kitchen on high, and when I was standing in the kitchen I felt air rushing through from the floor to be sucked out the ceiling.

I noticed that there is a big opening on top of the basement wall, and then it's also opening under the "bar" cabinets in the kitchen.

When I close the basement door the air stops flowing as much, but it still does a bit. Even with the basement door closed, the access for the hoses and cords would still be open.

Seems this is a pretty big opening to the outside that bugs could get in and of course cold or hot air could get out? I'd also like to leave the basement door open when I want, but that would leave a much bigger opening for air flow and bugs.

Is this normal?

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