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Old 07-19-2023, 09:28 AM   #1
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Join Date: Jul 2023
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Vents underneath bed 2004 Winnebago Sightseer

I recently purchased a 2004 Winnebago Sightseer. Yesterday hot air started pouring out of vents underneath the bed. It is coming from hoses leading to a silver metal box. What is this unit and how do i turn It off?
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Old 07-19-2023, 09:58 AM   #2
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Join Date: Dec 2003
Location: Motor City, Mich
Posts: 984
It's the rear heater.

From your Owner's Manual:

To provide auxiliary heat to the rear of the vehicle, turn the rear heater fan switch to the desired speed.
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