Re: Ping Peggy re: sanitation hoses
- From: Peggie Hall <peghall@xxxxxxxxxx>
- Date: Fri, 23 Mar 2007 03:09:08 GMT
Jim Conlin wrote:
All PVC, hard and soft is a "schedule something"...sched. 40, sched. 80 etc hard PVC. 148 is the white flex PVC rated for potable water and sanitation that's been around for a couple of decades.
"Peggie Hall" <peghall@xxxxxxxxxx <mailto:peghall@xxxxxxxxxx>> wrote in message news:KTwMh.8507$JZ3.5786@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> Joe Bleau wrote:
> > Then, is the collective wisdom that the PVC hose should not be used?
> No. In fact, SeaLand's ultra-pricy OdorSafe is flexible PVC. Otoh,
> Trident Rubber's equally pricy 101/102 is double-walled rubber.
> There's flex PVC that is rated for sanitation and flex PVC that
> isn't...as people who try to save money by buying the hot tub hose from
> Home Depot that sells for $2/ft or less quickly discover.
> However, I wouldn't worry too much about accidental damage...overheating
> to make it bend tighter than it wants to bend willingly or to get it
> onto a fitting is about the only way to damage any hose without actually
> working at it. The only real issue is resistance to odor
> permeation...and although no hose is bullet proof forever, the more
> expensive ones remain the most resistant the longest...at least in
> theory. I had white *schedule 148* flex PVC--which IS sanitation hose, but
> not one of the pricy ones--on one of my own boats for more than 7 years
> without a trace of odor...used it--same how, even same brand--on the
> project boat I bought and it permeated in less than 90 days. SeaLand
> OdorSafe is warranted against odor permeation for 5 years...I've seen it
> fail in less than a year too.
> Peggie Hall
> Specializing in marine sanitation since 1987
> Author "Get Rid of Boat Odors - A Guide To Marine Sanitation Systems and
> Other Sources of Aggravation and Odor"
> http://shop.sailboatowners.com/books/detail-books.htm?fno=0&sku=90&cat=1304 <http://shop.sailboatowners.com/books/detail-books.htm?fno=0&sku=90&cat=1304>
Specializing in marine sanitation since 1987
Author "Get Rid of Boat Odors - A Guide To Marine Sanitation Systems and Other Sources of Aggravation and Odor"