Ladies and Gents:
Just a few observations/comments, if I may...I sat in on a "Pex" class last
week offered by Uponor (formerly Wirsbo) for local plumbers and (Fire) AHJ's
and came away with this info:
1) No more "4-port" fittings, per se, instead the systems will be 'looped'
and still be circulating - my understanding is that there will not be a
requirement to install BFP's, unless local water department requires...
2) No non-looped layouts ("trees") as this impacts the lower pressure-rating
of the pex piping (UL listing).
3) It was my clear understanding that the "design" of Uponor 13'D' systems
is, or can be, designed by their (Uponor) NICET Level 4 fire sprinkler system
designers - they apparently have several on staff and ready to go.
4) They have a training program in place for "installers" be they
sprinklerfitters/plumbers/pipefitters, et al.
The class was 1.5 hours long, very informative and professional - as a 30+
year fire sprinkler industry "veteran" (?), the Uponor people appear to be very
much on top of it and are positioning themselves for the upcoming residential
sprinkler market 'flood' - uh, poor choice of words. Weren't we already saying
20+ years ago if the sprinkler industry does not take 'control' of the
residential market, the plumbers will??
Jerry D. Watts, SFPE
ACCENT FIRE ENGINEERING INT'L. Ltd.
Santa Fe, NM USA
New Mexico Fire Sprinkler Journeyman Lic. JS-12 #08228
Wirsbo/Uponor Certified PEX Installer
UA Local 669 Member
**************
Create a Home Theater Like the Pros. Watch
the video on AOL Home.
(http://home.aol.com/diy/home-improvement-eric-stromer?video=15?ncid=aolhom00030000000001)
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