Garmin GT15M-THF 12 Degree 600W SS Thru-Hull Transducer
Garmin GT15M-THF 12 Degree 600W SS Thru-Hull Transducer — Product description
Upgrade your boating experience with a transducer that delivers crystal-clear sonar images while minimizing drag on the water. Perfect for midsize fishing vessels and cruising yachts, this stainless steel thru-hull model excels in revealing underwater details, from bait schools to rugged bottom contours, ensuring you never miss the action below the surface.
Superior Mid-Band CHIRP Performance
Harness the power of mid-band CHIRP technology spanning 85-165 kHz to capture vivid fish arches and precise structure readings. With a robust 600-watt output, it penetrates depths up to 1,200 feet in saltwater or 1,900 feet in freshwater, making it ideal for offshore adventures or deep lake explorations. The 24-16 degree beam width provides expansive coverage without sacrificing resolution, helping anglers spot targets faster and more accurately.
Streamlined Design for Peak Efficiency
Engineered with a flush-mount stainless steel housing, this thru-hull transducer hugs the hull for reduced hydrodynamic drag, boosting your boat's speed and fuel efficiency. Its 12-degree tilt perfectly suits hull deadrise angles from 8 to 15 degrees, eliminating the need for additional fairing blocks on many vessels. Whether you're running fiberglass, aluminum, steel, or wood hulls, installation remains straightforward and performance optimized.
Effortless Integration and Reliability
Plug-and-play simplicity shines through with Garmin's auto-ID technology, which automatically tunes your compatible chartplotter to the transducer's capabilities—no manual tweaks required. The 8-pin connection and 50-foot cable offer flexibility for clean routing, while built-in temperature sensing keeps you informed of water conditions. Low noise and high target separation mean fewer false echoes, letting you focus on what matters: landing that trophy catch.
Installation Insights for Seamless Setup
Getting this transducer up and running is a breeze for DIY enthusiasts or pros. Start by selecting a spot on the hull forward of the propeller and below the waterline for best beam projection. Drill precisely, apply marine sealant, and secure with the included jam nut, washer, and isolators to prevent corrosion. For optimal results, maintain a downward-facing orientation to avoid cavitation interference. Pro tip: Pair it with high-quality marine caulk for a watertight seal that withstands years of pounding waves.
Why Boaters Trust This Transducer
Beyond specs, it's the real-world reliability that sets it apart. Fishermen rave about its ability to differentiate baitfish from gamefish in murky waters, while cruisers appreciate the consistent bottom tracking for safe navigation. Built tough with corrosion-resistant stainless steel, it handles harsh marine environments, from salty coasts to freshwater reservoirs. Elevate your sonar game and spend less time guessing, more time reeling.
Essential Accessories Included
- Thru-hull transducer unit
- Secure jam nut and washer
- Thread and hull isolators for vibration dampening
- Comprehensive setup documentation
Frequently Asked Questions
What hull types is this 12-degree thru-hull transducer compatible with?
It works seamlessly with fiberglass, composite, aluminum, steel, and wood hulls, especially those with 8-15 degree deadrise angles. No fairing block needed for most setups.
How deep can the sonar reach with this Garmin transducer?
Expect reliable performance down to 1,200 feet in saltwater and up to 1,900 feet in freshwater, thanks to its 600W mid-band CHIRP power.
Does it include temperature sensing?
Yes, it provides accurate water temperature readings alongside depth and sonar data, helping you track thermoclines for better fishing success.
Is installation complicated for thru-hull mounting?
Not at all—it's designed for flush mounting with included hardware. Auto-ID tech handles sonar configuration automatically on compatible Garmin units.
What makes the CHIRP frequency range special here?
The 85-165 kHz mid-band range offers wide coverage (24-16 degrees) for crisp arches and structure detail, outperforming fixed-frequency options in varied conditions.
How does it handle noise and target separation?
Exceptional ping sensitivity minimizes noise, providing high-resolution images with clear separation between fish, bait, and bottom features.
GT15M-THF 12 Degree 600W SS Thru-Hull Transducer
Designed for reduced drag and optimum sonar performance on midsize fishing and cruising boats, this flush-mounted, 600-watt mid-band CHIRP transducer clearly defines fish arches, structure, and bottom depth returns on the display.
Midband Chirp Traditional Sonar
This 8-pin, 600-watt stainless steel thru-hull transducer features high-definition mid-band CHIRP sonar that clearly defines fish targets and structures down to 1,200’ in saltwater and 1,900’ in freshwater.
Broad Frequency Range
Use the perfect frequency for the waters being fished. Covering the medium frequency range, this transducer pulses from 85–165 kHz, displaying a wide coverage area, crisp fish arches, and accurate depth readings.
Optimum Ping Sensitivity
Offering excellent sonar sensitivity, low noise, high resolution, and good separation of targets, this robust transducer makes it easier than ever to distinguish fish and structure on a compatible chartplotter display.
Thru-Hull Installation
A durable stainless steel housing and stem offer straightforward thru-hull flush mounting for minimum drag and optimum beam orientation for clear sonar returns.
Auto-ID Technology
Enjoy simple plug-and-play operation with Garmin auto-identification technology — which enables the sonar to configure itself to the transducer being used automatically.
Fits Various Hull Types
Configurable for various boat hull materials, including fiberglass, composite, steel, aluminum, and wood, the transducer is available in a range of tilt versions to accommodate deadrise angles of 0–20 degrees without a fairing block.
Specifications:
- Transducer Frequency: Medium band chirp (85-165 Khz)
- Transducer Power: 600 W
- Transducer Beam Width: 24-16 degrees
- Transducer Maximum Depth: 1200 Ft Saltwater; 1900 Ft Freshwater
- Transducer Cable Length: 50 ft.
- Transducer Depth/Speed/Temperature: Depth, temperature
- Transducer Number of Pins: 8-Pin
- Transducer Supported Deadrise/Transom Angles: 12 degrees support hull deadrise angles from 8 degrees to 15 degrees
- Housing Material: Stainless steel
In the Box:
- GT15M-THF transducer
- Jam nut
- Washer
- Thread isolator
- Hull isolator
- Documentation
SKU: NVN-102447
MPN: 010-02868-01
UPC:
Technical specifications
| Brand | Garmin |
| Model | Garmin GT15M-THF 12 Degree 600W SS Thru-Hull Transducer |
| SKU / MFR# | 102447 |
Set product metafields under specs.* to populate this table.
Frequently asked questions
No questions yet. Got one? Drop us a line.
