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Old 09-26-2010, 11:41 AM   #1
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Which side are connections of furnace?

I am planning the location of a new furnace.

For upflow, I was told the cold air return can be on either side.
How about gas & electrical connection? I'd like to have the gas pipe run to the correct side so I don't need a long flexi to wrap around.

Also, I was playing with the idea of mounting horizontally so I can keep some floor space. Where do the connections go on a horizontal model?


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Old 09-26-2010, 06:20 PM   #2
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The manufacturer's installation instructions will list the allowed installation orientations, and usually illustrate the allowed connections.


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Old 09-26-2010, 06:38 PM   #3
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Most all furnaces facilitate electric and gas installation on either the left or the right side.
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Old 09-26-2010, 10:17 PM   #4
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Most upflow furnaces can have the return on either side or through the bottom. Gas and electrical connections can come in either side, as brandonmcginnis stated.

Supply and return are connections on a horizontal furnace are usually one at each end (imagine upflow with supply at top and return at bottom and tip it on it's side).

Michael Thomas has a good point...the installation manual should cover all the bases.
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