In article , simplfy markem, (sixoneeight)@hotmail wrote:
On Thu, 18 Jan 2007 23:02:45 GMT, (Doug Miller)
wrote:

Best in my opinion is to use rigid metal duct for main lines

Then you have the impractical thoughts, mine is hmm 4 inch thin wall
soldered with clean outs all polished and pretty.

I said "duct", not "conduit". As in HVAC duct, which is what the OP was
asking about.

--
Regards,
Doug Miller (alphageek at milmac dot com)

It's time to throw all their damned tea in the harbor again.