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Old 05-18-2011, 11:37 AM   #1
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central a/c line set sizing


What is the proper line set sizing for a 4 ton condenser. asbout 40 feet from the acoil/blower

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Old 05-18-2011, 11:53 AM   #2
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central a/c line set sizing


Is the condenser above or below the a coil?
what size are the fittings coming from the unit?

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Old 05-18-2011, 04:44 PM   #3
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central a/c line set sizing


The install manual will have that info in it.

If you don't have the install manual. Post brand and model number of your condenser.

Some brands use a different size then other brands for the same efficiency.
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Old 05-18-2011, 05:02 PM   #4
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central a/c line set sizing


Check your manual, but I'll bet it calls for a 3/8" and 7/8".
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