The LPI-R-1590 retarded air gauge is used on the sprinkler head side of the control valve in a dry system to accurately monitor line air pressure, and also has the ability to accept water pressure up to 250 psi upon system activation.

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• Size: 3-1/2"
• Connection: Brass, 1/4-18 NPT LM
• 0-80 psi, retarded to 250 psi
• AIR - Sprinkler Gauge

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