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Old 01-30-2019, 09:57 AM   #1
Fr Jeff
 
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1989 29' Excella
Oscoda , Michigan
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Furnace Vents

Picture is of my 1989 Excella 29 furnace vents.

My manual shows the two hole vent and I believe the top is air intake and the bottom is exhaust.

However, I have no idea what the single vent does.

Anyone have an answer? Many thanks.Click image for larger version

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Old 01-31-2019, 09:51 AM   #2
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1958 26' Overlander
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Is your water heater adjacent to the furnace? It is embossed with 'Suburban'.
Looks like its been on the trailer quite a while, perhaps the original vent for the water heater. The design is not quite the same as their current models.
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Old 01-31-2019, 11:49 AM   #3
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1981 31' Excella II
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Normally the exhaust is the top hole and the intake the bottom hole. This is to prevent recirculation of exhaust back into the intake. Not sure what the hole on the left is. Peek under the counter and look.



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Old 01-31-2019, 04:15 PM   #4
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1991 34' Excella
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The 34' trailers came with a larger furnace that has 2x exhaust ports on the top and 1 inlet on the bottom
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