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Old 07-22-2011, 05:58 PM   #1
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Adding to registers to existing hvac system


Hello,

We are trying to add 2 registers in the ready room that would be tied into the current vac system about 15 feet away in the other room. Via Flex hose? As you can see in the drawing the purple line is the proposed route for the flex hose. Should we tie into the hvac branch in green or the hvac main line in orange. Will one 6 inch diameter flex hose support the two registers. the two registers will be about 15 feet apart. The ready room is average 30 x 30. Powering the hvac units in the hall are 2) 15 ton lenox units

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Old 07-22-2011, 06:52 PM   #2
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Adding to registers to existing hvac system


Doubtful that a branch line designed for one register is going to be big enough to handle two more. Go back to the main trunk.

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Old 07-22-2011, 07:07 PM   #3
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Adding to registers to existing hvac system


There is enough room to go to the main, i think we will be better off that way. Does anybody have any other recommendations?

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