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Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
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Tech Specs
In The Box
Manual & Warranty
Trade-In
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
Overview
Garmin AIRMAR B175HW 12° Tilt Transducer (010-12181-21)
Introduction
The Garmin AIRMAR B175HW 12° Tilt Transducer is engineered for boat owners seeking powerful sonar performance without the complexity of a traditional fairing block installation. Delivering up to 1 kW of power, this premium thru-hull transducer features a flush-mounted bronze housing that protrudes less than 1/4 inch outside the hull, reducing drag while allowing safe placement on trailer rollers and bunks.
Its integrated 12° tilted ceramic element automatically compensates for hull deadrise, ensuring accurate sonar transmission without requiring a separate fairing block. Designed primarily for fibreglass and wooden hulls, the B175HW operates within a high wide-band frequency range of 150–250 kHz to provide outstanding target separation, detailed fish detection, and dependable depth readings up to 150 metres. Whether you're fishing coastal waters or exploring offshore locations, this transducer delivers reliable sonar performance for a wide range of marine applications.
Key Features
High-Power Sonar Performance
- Delivers up to 1 kW of sonar power.
- Provides accurate depth readings up to 150 metres.
- High wide-band frequency range of 150–250 kHz.
- Excellent target separation and underwater detail.
Integrated 12° Tilted Element
- Built-in 12° tilted ceramic element.
- Compensates for hull deadrise automatically.
- Eliminates the need for a fairing block.
- Optimizes sonar performance and accuracy.
Flush Thru-Hull Design
- Flush-mounted bronze housing.
- Protrudes less than 1/4 inch outside the hull.
- Reduces water resistance during operation.
- Safe for trailer rollers and bunks.
Broad Compatibility
- Compatible with supported Garmin sonar systems.
- Equipped with an 8-pin connector.
- Designed for reliable integration with compatible chartplotters and fishfinders.
- Suitable for a variety of fishing applications.
Durable Marine Construction
- Heavy-duty bronze housing.
- Ideal for fibreglass and wooden hulls.
- Built for demanding marine environments.
- Designed for long-lasting performance.
Performance Insights
The Garmin AIRMAR B175HW 12° Tilt Transducer delivers powerful sonar performance while simplifying installation through its integrated tilted element design. By eliminating the need for a fairing block, it provides cleaner installation and improved hydrodynamics without sacrificing sonar accuracy.
Its high wide-band frequency range offers exceptional target definition, making it easier to distinguish fish from surrounding structures while delivering reliable depth information. The flush-mounted bronze housing further enhances performance by minimizing drag and protecting the transducer during trailering.
Usage Instructions
Install the Garmin AIRMAR B175HW following the supplied installation instructions to ensure proper alignment and watertight mounting. The built-in 12° tilted element is designed to compensate for compatible hull angles, simplifying installation without requiring an external fairing block.
Connect the 8-pin transducer to a compatible Garmin chartplotter or fishfinder, configure the sonar settings as recommended, and verify proper operation before heading onto the water. Periodically inspect the transducer and keep it clean to maintain optimal sonar performance.
Design & Build
The Garmin AIRMAR B175HW combines premium marine engineering with a durable bronze thru-hull housing that is built for years of dependable service. Its streamlined flush-mounted profile minimizes drag while offering added protection during launching, retrieval, and trailering. The integrated tilted element delivers outstanding sonar performance in a compact, reliable design.
Design Highlights
- Flush-mounted bronze housing
- Built-in 12° tilted element
- 1 kW high-performance sonar
- High wide-band frequency operation
- Operating frequency of 150–250 kHz
- Accurate depth readings up to 150 metres
- 8-pin connector
- Eliminates the need for a fairing block
- Low-profile thru-hull installation
- Suitable for fibreglass and wooden hulls
- Trailer-friendly design
- Rugged marine construction
Final Verdict
The Garmin AIRMAR B175HW 12° Tilt Transducer is an excellent solution for anglers and boat owners seeking powerful sonar performance with simplified installation. Its integrated tilted element, flush-mounted bronze housing, and 1 kW high wide-band sonar technology provide exceptional underwater detail, accurate depth readings, and reliable operation in demanding marine conditions.
Whether you're fishing in coastal waters or navigating offshore environments, the Garmin AIRMAR B175HW delivers the performance, durability, and precision needed to get the most from your compatible Garmin sonar system.
