An appliance with a draft control device and an appliance without a draft control device with a combined input of 300,000 Btu/h are installed in an enclosure that is air tight. What is the outdoor air supply opening required?

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Multiple Choice

An appliance with a draft control device and an appliance without a draft control device with a combined input of 300,000 Btu/h are installed in an enclosure that is air tight. What is the outdoor air supply opening required?

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