wrote:
On Sun, 22 Mar 2009 07:36:01 -0700 (PDT), harry k
wrote:

On Mar 22, 6:01 am, Nate Nagel wrote:
Percival P. Cassidy wrote:
On 03/22/09 07:41 am Bubba wrote:
I've just redone one bathroom and found that the nipple between the
brass fitting back in the wall and the stop valve for the toilet tank
was gray PVC, such as one uses for sprinkler systems. I assumed that
this was not kosher and replaced it with a galvanized one.
Now I have come to the second bathroom and found that the galvanized
nipple is seriously corroded. Perhaps the PVC nipple in the first
bathroom was there for a reason?
What is the correct material to use here?
Either use a brass nipple or change it to copper.
Pvc is fine too if you like the pvc. Its installed everywhere now but
Im still not thrilled with having an entire house plumbed with it.
White PVC, yes. It was the use of *gray* PVC that I was questioning.
Perce
I believe that typically grey PVC is Schedule 80 so it might be OK. Not
sure if PVC is colored grey for other reasons or not.

nate

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IIANM 'grey' is electrical conduit. I have used Sched 80 PVC and it
was same color as sched 40.

Harry K
Sch 80 plumbing fittings are dark gray. Non metallic conduit is a
lighter gray

Apropos of this discussion I was in the electrical dept of HD a this PM
(actually two; I walked out of the first one after being unable to
locate the zip line or an associate who wouldn't ignore me to my face)
and while looking for what I needed saw the rack of electrical conduit;
it was actually marked "Schedule 40 Electrical Conduit." weird. I
thought "Schedule 40" referred to water pipe... This was light grey as
you say; a different color than I was thinking of. I do have some Sch.
80 PVC fittings laying around and they're still what I would call a
light grey but not as light as the conduit. I think I bought them
because I needed a reducer bushing for the outlet of one of my cisterns
and was only able to find the bushings in PVC and cast iron (and I
didn't want to use cast iron outside.)

nate

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