Now you're trying to use logic in attempt to figure out what someone
wants without a known basis. I thought I warned you about that - lol.
If a concern for dissimilar metals was driving the boat, the same
issue would exist on the system side of the BFP.
I'll be surprised if this doesn't turn out to be one of those issue
driven by - Sounded like a good idea at the time.
Roland
On Jul 2, 2008, at 8:39 AM, Mike Cabral wrote:
I already dumped the original post however, as I recall the concern
was connecting the RPZ to Ferrous or non-ferrous pipe. I assume they
have a concern for any cathodic reaction between the dissimilar
material of the back flow and the steel pipe. Could you use a
dielectric union between the RPZ 1-1/2" threaded connection and
install the expansion tank.
Mike Cabral
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