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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 20° Tilt Transducer (010-12181-22)
Introduction
The Garmin AIRMAR B175HW 20° Tilt Transducer is engineered for anglers and boat owners who demand powerful sonar performance combined with a streamlined installation. Delivering up to 1 kW of power, this premium thru-hull transducer features a flush-mounted bronze housing that extends less than 1/4 inch outside the hull, helping reduce drag while allowing safe positioning on trailer rollers and bunks without damage.
Its integrated 20° tilted ceramic element automatically compensates for hull deadrise, eliminating the need for a separate fairing block and simplifying installation. Designed specifically for fibreglass and wooden hulls, the B175HW operates within a high wide-band frequency range of 150–250 kHz to deliver outstanding target separation, crisp fish detection, and dependable depth readings up to 150 metres. Whether you're fishing offshore or navigating coastal waters, this transducer provides the accuracy and reliability needed for confident sonar performance.
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.
- Produces detailed underwater images and excellent target separation.
Integrated 20° Tilted Element
- Built-in 20° tilted ceramic element.
- Automatically compensates for hull deadrise.
- Eliminates the need for a fairing block.
- Optimizes sonar accuracy and performance.
Flush Thru-Hull Installation
- Flush-mounted bronze housing.
- Extends less than 1/4 inch outside the hull.
- Minimizes drag for improved efficiency.
- Safe for use with trailer rollers and bunks.
Broad Garmin Compatibility
- Compatible with supported Garmin sonar systems.
- Equipped with an 8-pin connector.
- Integrates with compatible Garmin chartplotters and fishfinders.
- Ideal for recreational and offshore fishing applications.
Rugged Marine Construction
- Heavy-duty bronze housing.
- Designed for fibreglass and wooden hulls.
- Built to withstand demanding marine conditions.
- Provides dependable long-term performance.
Performance Insights
The Garmin AIRMAR B175HW 20° Tilt Transducer combines high-power sonar performance with an innovative tilted element that simplifies installation while maintaining excellent sonar accuracy. By eliminating the need for a fairing block, it offers a cleaner, more efficient installation without compromising underwater performance.
Its high wide-band frequency range delivers exceptional target definition, making it easier to distinguish fish from surrounding structures while providing reliable depth information. The low-profile bronze housing also helps reduce drag and offers added protection during launching, retrieval, and trailering.
Usage Instructions
Install the Garmin AIRMAR B175HW according to the supplied installation instructions to ensure proper alignment and secure watertight mounting. The integrated 20° tilted element is designed to accommodate compatible hull angles without requiring an external fairing block.
Connect the 8-pin transducer to a compatible Garmin chartplotter or fishfinder, configure the sonar settings for your vessel, and verify proper operation before use. Regularly inspect and clean the transducer to maintain optimal sonar performance.
Design & Build
The Garmin AIRMAR B175HW features a premium bronze thru-hull housing engineered for durability and long-lasting marine performance. Its streamlined flush-mounted design minimizes drag while providing reliable protection during transport and everyday boating. The integrated 20° tilted element ensures accurate sonar transmission in a compact and efficient design.
Design Highlights
- Flush-mounted bronze housing
- Built-in 20° 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 20° Tilt Transducer is an outstanding choice for anglers and boat owners looking for powerful sonar performance with a simplified installation. Its integrated 20° tilted element, flush-mounted bronze housing, and 1 kW high wide-band sonar technology deliver exceptional underwater detail, reliable depth readings, and dependable operation in a wide range of marine environments.
Whether you're locating fish offshore, exploring coastal waters, or upgrading your Garmin sonar system, the Garmin AIRMAR B175HW provides the precision, durability, and performance needed for a superior on-the-water experience.
