Quote:
quote:Originally posted by LazyPup
Both the International Residential Code and the Uniform Plumbing Code require SDC (Seismic Design Category) strapping and flex lines in specific regions that are subject to seismic activity (earthquakes) or hurricanes, but it is not required in all locations.
in fact, in my location all Gas connections MUST BE piped the full distance and flex lines are prohibited.
When in doubt, contact your local code enforcement authority to determine what the local code requires.
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Should I reply above or below the quote ?
Anyway, good point Richard !
It's interesting to me how different factors in different areas dictate the rules.
Sometimes when I read some things posted I think to my self "that doesn't apply in my area".
As an example, you probably wouldn't find a half dozen dielectric unions on water heaters around here and 80% of the ones you do find will be very corroded and needing to be replaced after a few years.
We connect 3/4 copper directly into the tanks with a 3/4 MIP X 3/4 sweat adapter.
Experience has taught us that as long as the copper fitting is
NOT female, the corrosion is much less than that of a dielectric union.
Water heaters only last 10-12 years around here so the MALE connection to the steel tank will never corrode in it's lifetime.