Reply by jmos

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Posted on A little help please

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827 posts in 2367 days

#1 posted 05-04-2012 09:30 PM

There’s no need to run full schedule 40 PVC, way thicker and more expensive than needed. Looking at some other sites 5’ of 6” pipe seems to run from $26 (Rockler) to about $35 (Grizzzly, Norfab, and a few other sites). Fitting seem pretty abundant and some are very pricey (Norfab wnats $60 for a 6” long sweep elbow and $145 for a 6” wye!!). The HD 26 gauge duct is $5.50 for 2”, or about half the price of the spiral. I can’t find 6” PVC on the HD website, so I can’t price it. My preference would be for metal, but I might go PVC.

I’ll have to see how long a straight run I end up with, I might go spiral on the straight and HD on the fittings. They don’t have a great selection, but they’re a whole lot cheaper than some other options. For instance they don’t have a long radius elbow, but the elbow they have is fully adjustable straight to 90deg, so I’m planning on using 2 each set to 45deg ($4.68 each). I would also assemble the fittings so that the male end points to the DC system, so there should be less chance of dust piling up at a seam.

I did a good bit of research on this, but I’m not going to pull the trigger until the Fall, so I’m not 100% set. You’ll have to let me know how you end up going and how it worked out for you.

-- John

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