Goldak Leak Detector Comparison: 777-A, 777-B, and 4360 Pipe and Leak Detector Combo.

A focus on top-level engineering, in-field experience, and quality manufacturing, along with extraordinary customer service, makes Goldak a leader in underground locating. With a foundation dating back to the 1930s, Goldak continues to offer new and improved locating solutions for industry professionals. Unmatched client loyalty demonstrates their commitment to customers, quality, and innovation.

What's the Difference between the Goldak 777-A Leak Detector, 777-B Leak Detector, and 4360 Pipe and Leak Detector Combo?

The Goldak 777 series leak detector is the tool of choice for professional underground leak locators. Both the 777-A and B offer high sensitivity and low-noise circuitry for unmatched accuracy. Also sold as part of the 4360 Pipe and Leak Detector Combo, the unit's housing is constructed from solid aluminum.

Goldak 777-A Leak Detector

Designed for the demands of plumbers, contractors, waterworks personnel, and plant maintenance crews, the Goldak 777-A Leak Detector offers accuracy and simple operation. Two included microphones convert the mechanical vibrations caused by leaks into electrical impulses that can be seen on the meter and heard on the headphones.

Goldak 777-B Leak Detector

With the same features as the 777-A, the 777-B will enable operators to be ready in even more challenging conditions. The package includes a third microphone, NE-77 "Noise Eliminator." This accessory makes work easier in high noise environments.

4360 Pipe and Leak Detector Combo

With all of the features of the Goldak 777-A, this package adds a gun-style pipe locator for everything a professional needs in one case. The pipe locator includes a precision multi-position antenna for pin-point locating and easy-to-use controls.

What the Goldak 777-A Leak Detector, 777-B Leak Detector, and 4360 Pipe and Leak Detector Combo have in Common

Leak Detector Features:

  • Aluminum instrument housing
  • Ultra sensitive microphone
  • Large meter
  • Included stereo headphones
  • Wide-range controls for: amplifier gain, meter sensitivity, and filter frequency.
  • High-impact, foam-lined, plastic case included
  • Weight: 2.5 lbs.
  • Frequency Range: Low: 20 Hz - 500 Hz, High: 20 Hz - 3.5 kHz
  • Batteries: 6 AA
  • Warranty: One year

What is Unique to the Goldak 777-A Leak Detector

Included accessories:

  • M-79 Series 2 – Ultra-sensitive disc-shaped microphone - 2 1/4 inch diameter x 5/8 inch thickness.
  • 71C-007 Microphone Probe – 12" long - used by direct contact with test points such as pipes, angle stops valves, or for direct contact to concrete slab when listening through carpet.

Goldak 777 Series Leak Detector Optional and Replacement Accessories:

What is Unique to the Goldak 777-B Leak Detector

Included accessories:

  • M-79 Series 2 Microphone – Ultra-sensitive disc-shaped microphone - 2 1/4 inch diameter x 5/8 inch thickness.
  • 71C-007 Microphone Probe – 12" long - used by direct contact with test points such as pipes, angle stops, valves, or for direct contact to concrete slab when listening through carpet.
  • NE-77 "Noise Eliminator" Microphone – designed for high noise situations such as wind, construction, and vehicle traffic.

What is Unique to the Goldak 4360 Pipe and Leak Detector Combo

Includes the same detector and accessories as the 777-A, plus the 4360 Pipe Locator.

Pipe locator features:

  • Compact, portable, lightweight design
  • Precise multi-position antenna
  • Easy to use controls
  • Crisp audio response make line locating and identification simple
  • Included direct connection cable and ground rod.
  • Output frequency: 116 KHz ± 0.3%
  • Weight: Transmitter & Receiver: 6 lbs
  • Batteries: 16 AA (8 each in transmitter and receiver)

See pricing, specifications, bonus items, compatible accessories, product reviews, and videos for each of the 777-A and 777-B Leak Detector and the 4360 Pipe and Leak Detector Combo on the pages below!

Goldak 777-A Leak Detector

Goldak 777-B Leak Detector

Goldak 4360 Pipe and Leak Detector Combo

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