Pressure Reducing Valve really necessary?
On Fri, 25 Jul 2008 10:15:53 -0700 (PDT), JayN
wrote:
The meter doesn't prevent backflow. I've seen the meter run
backwards.
The meter doesn't prevent backflow yet. Meters can be changed, and
new ones may prevent backflow. In fact, I suspect it is a requirement
these days.
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