[Shop-talk] polybutylene piping

[Doug Braun]

Wouldn't most RVs have zero water pressure most of the
time, and fairly low pressure when they are actually
being used?

I would think that in a RV you could get away with
plumbing techniques (e.g. hose clamps) that would not
be wise in a house.

Doug 

--- Randall <tr3driver at ca.rr.com> wrote:

> > And no, I don't have any desire to replumb the RV
> to PEX or whatever.
> 
> Have you Googled polybutylene?  This article seems
> typical, from a
> presumably reasonably unbiased source (University of
> AZ) :
> http://ag.arizona.edu/AZWATER/awr/nov94/leaks.html
> 
> It says things like 
> "Some plumbers were attracted to PB because
> customers cannot do their own
> repairs. The crimping tool required to seal joints
> is difficult to find in
> stores or rental shops. "
> and
> "crimpers need constant calibration to make sure
> [copper bands] are not too
> tight." If bands are crimped too snugly, excessive
> pressure on PB results
> and leaks are more likely to occur. 
> 
> And of course there are lots and lots of sites
> talking about the class
> action lawsuit over the stuff; homes ruined and so
> forth.