The original grey, opaque plastic pipe that was commonplace in the late 70s & early 80s was polybutylene.
My understanding is the issue with this material is in residential use it split open causing a flood, in situations where pressures AND temperatures are high (180F). It was taken off the market and companies were, and still are reluctant to make compatible fittings out of liability fears. Having said that, I've kept the poly-b in my boat as it unlikely to fail since my my water is only periodically under pressure, its only 40 psi, and it never gets really hot. if it was in my house, I'd remove it. Vinyl tubing tends to shrink, yellow and harden up over time. I'd do 1/4" or 3/8" pex if I was running new, but not sharkbites for fittings, there are lots of other compression fitting available at lower cost. Just my $0.02 Eric On Wed, Jan 30, 2019 at 7:07 AM David via CnC-List <cnc-list@cnc-list.com> wrote: > I am sure this has been gone over before...so please indulge me. > > Replacing, re-designing, water lines in 1981 40-2. Pex is the obvious > choice. Are there less obvious (and have cheaper tools required to > install) choices? > > Has anyone improved on the original design? I am thinking of adding > easier accessible manifolds and an additional line for antifreeze and > blowing out water. > > Thanks in advance. > > *David F. Risch, J. D.* > > *Gulf Stream Associates, LLC* > > > *(401) 419-4650 * > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > >
_______________________________________________ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution -- https://www.paypal.me/stumurray
