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Imagine gliding through coastal waters or chasing deep-water species with crystal-clear sonar images that reveal fish, structure, and bottom contours like never before. The Garmin B175H Bronze 0° thru-hull transducer delivers that edge, blending rugged bronze construction with advanced CHIRP technology for boaters who demand precision in every scan. Mounted flush through your hull, it protrudes minimally—just under a quarter inch—making it trailer-friendly and ideal for fiberglass or wooden vessels without needing extra fairings.
Engineered for high wide CHIRP performance at 130-210 kHz, this 1kW powerhouse scans depths up to 3,000 feet while maintaining sharp separation in shallows. Whether you're targeting reef fish in 50 feet or scouting wrecks at 1,000 feet, its tilted element design adapts seamlessly to hull deadrises from 0 to 7 degrees, ensuring optimal beam projection without dead zones.
Installing a thru-hull transducer can make or break your sonar experience, but the B175H keeps it straightforward. Select a spot forward of the propeller, at least 1/3 the beam width from the centerline for minimal interference. Drill a 3-inch hole, bed the housing in sealant, and secure the nut—typically a one-person job taking under an hour for experienced hands.
Pro Tip: For vessels with curved hulls, the self-aligning design minimizes air bubbles under the transducer face, preserving clean pings. Always fair the hull surface lightly for the best acoustic coupling, and test in calm water post-install to calibrate your Garmin display.
Anglers rave about how the B175H's high-frequency CHIRP excels at marking individual fish in tight schools, even amid thermoclines or heavy vegetation. Its bronze thru-hull mount thrives in saltwater corrosion zones, outperforming plastic alternatives in longevity. Pair it with Garmin's ClearVü or SideVü for a full 360-degree view, turning your console into a virtual underwater window.
For navigators, the consistent bottom tracking aids in charting safe passages over reefs or sandbars. In choppy conditions, the stable mount reduces noise, letting you focus on the bite rather than fighting artifacts.
Flush with fresh water after every saltwater trip to ward off marine growth. Inspect the face annually for pitting—bronze holds up tough, but a light polish restores like-new acoustics. Avoid antifouling paints on the active ceramic to prevent signal dampening. With proper care, expect years of reliable service backed by Garmin's commitment to marine excellence.
It's optimized for fiberglass and wooden hulls with deadrises between 0 and 7 degrees. The bronze housing provides excellent durability in marine environments.
No, the internal tilted element eliminates the need for a fairing, simplifying setup on most hull shapes.
It reaches up to 3,000 feet, making it suitable for both inshore and offshore applications with Garmin CHIRP-compatible units.
Yes, it protrudes less than 1/4 inch below the hull, safe for contact with trailer rollers or bunks.
CHIRP sweeps across 130-210 kHz, providing wider bandwidth for better target separation, sharper images, and reduced clutter compared to single-frequency sonar.
It connects directly to Garmin chartplotters and sounders with 8-pin ports supporting 1kW CHIRP, like many GPSMAP and echoMAP series.
For deadrises up to 7 degrees, yes—but position it ahead of any step to avoid aeration interference.
Garmin make products that are engineered on the inside for life on the outside. We bring GPS navigation and wearable technology to the automotive, aviation, marine, outdoor and fitness markets. We believe every day is an opportunity to innovate and a chance to beat yesterday. We offer products with essential utility, leading-edge technologies, compelling features, and exceptional ease-of-use to create clear differentiators our customers appreciate and desire.
Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
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