“What are the minimum opening size for thru wall when the chassis is removed. My opening is about an inch smaller in height for this unit. It has to be smaller then the out of the box dimensions with the chassis”

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• Hi! Thank you so much for your question. Inside Frame Height: 18-7/8"(47.9cm) or 18" (45.7cm) Inside Frame Width: 26-3/4"(67.9cm) or 23-7/8"(60.6cm) Hope it helps. -Customer Service Team

  Answered by Product Expert 2 years ago

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