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Valve and Box Locator

Fishers M-66 Valve and Box Locator is designed specially for finding buried or paved over valves, box’s or vaults. In addition, the M-66 locates survey markers, water or gas meters, conduit, manholes and any other concealed metallic object. The M-66 detects all metals including aluminum, brass, copper, iron, nickel, steel or tin. Combining sensitivity and accuracy with maximum ground penetration, the M-66 eliminates any guesswork when pinpointing hidden metallic objects. The electronic balance of the M-66 is easily and quickly tuned for detection within seconds while also allowing for maximum audio and visual indications. In the Fisher tradition, the M-66 is affordable, tough, and simple to use while providing maximum performance. A two year limited warranty comes standard with the unit.
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The M-66 Features:

  • The M-66 features simple operation - only 2 knobs
  • Ultra-sensitivity and maximum penetration through soil asphalt or concrete
  • Ground rejection VLF (very low frequency) eliminates false signals
  • The M-66 detects all metals
  • Built-in battery test
  • Analog meter and audio target signal
  • Adjustable shaft
  • Fully submersible 8-inch search coil
  • Weather resistant design
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M-66 (valve and box locator)
Fisher Labs M-66 Metal Detector