I did almost exactally that with mine. I used 2" pvc instead of abs. I
honestly don't remember how I hooked it up to the outlets. I think I was
able to force the oddball pipe into the pvc, but I wouldn't swear to
it.Just experiment if you haven't a;ready and find out the best way to
adapt the two together. Larry
There is special thin-walled plastic tubing intended for central vacs.
The advantage is that it's flexible enough to make it around some
obstacles without a fitting, which is where clogs happen and which
also reduce suction. It's also cheaper than PVS or ABS.
Thin-walled central vac tubing was a little cheaper than ABS drain
pipe when I last bought it. See what you can find online.
Even so, I think it's false economy. The plastic pipe intended for
cental vacs is more flexible so it's easier to install, it's smoother
internally to reduce clogging, it's lighter so there are fewer
problems with bracing vertical sections and the termination fittings
you'll be using are probably intended for thin-walled pipe.
I've done two whole-house vac installs. Believe me, you're in store
for enough aggravation trying to thread pipe around electrical boxes
and all the junk that's inside a typical wall. You'll appreciate the
extra expense if only for its "bendiness".
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