Cooling tray duct temperature

Roasting on the Bullet
1

Hello friends. I am tinkering with my ventilation setup and have a question: How hot is the air output from the cooling tray likely to be? I am setting up some ductwork and would like to know if high-temp (400F) ducting is necessary, or if more-flexible-less-durable (285F) ducting is sufficient. My assumption is the former, but I thought I’d check.

Thanks!

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I haven’t measured the temperature, but I can tell you it’s HOT. I use flex dryer host venting from the tray up to a wye connection, and it’s hot enough to burn your skin if you touch it when the tray is being exhausted.

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