Where these PRVs are located is a challenge on the scale of NPR's Sunday Puzzle. See that brown splotch in the center of the picture? That's the PRV under a house in Mt. Vernon, Wa.
Wednesday, October 10, 2012
Water pressure regulators or PRV
Many homes have pressure regulators, sometimes known as PRV (pressure regulator valves), because the incoming water pressure is over 80 psi. Federal regs mandate that any pressure over 80 has to be regulated to save water. Beyond being law, anyone who pays by the drip will testify that the lower the pressure, the less water is used.
Where these PRVs are located is a challenge on the scale of NPR's Sunday Puzzle. See that brown splotch in the center of the picture? That's the PRV under a house in Mt. Vernon, Wa.
My camera had a great flash on it and I had a drop light. It was totally dark down there.
Where these PRVs are located is a challenge on the scale of NPR's Sunday Puzzle. See that brown splotch in the center of the picture? That's the PRV under a house in Mt. Vernon, Wa.
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