Key Features and Performance
Crafted from durable plastic, this transducer operates at 200 kHz with a powerful 250-watt output and a focused 12-degree beam angle. The narrow beam provides crisp, targeted bottom detection, helping you navigate shallow waters, spot fish structure, or avoid underwater hazards with confidence. Its 2-foot retractable shaft protects the ceramic element during retraction, extending the unit's lifespan in rugged marine environments.
- Retractable design for easy protection and maintenance
- Low-profile housing reduces water resistance
- 45-foot cable with spade connectors for straightforward wiring
- Suited for aluminum and fiberglass hulls up to moderate speeds
Unlike fixed thru-hull options, the retractable mechanism lets you lift the transducer out of the water quickly, preventing damage from debris or when hauling your vessel.
Installation Tips for Optimal Results
Installing a thru-hull transducer demands care to ensure peak performance. Start by selecting a hull location forward of the propeller and keel, in relatively flat water flow, typically 1/3 of the hull length from the bow. Drill a precise 2-inch hole, seal with marine-grade sealant, and bed the housing firmly against the hull interior.
- Clean and fair the hull exterior for flush mounting
- Route the 45-foot cable away from noise sources like engines or bilge pumps
- Secure the retraction mechanism for easy access
- Test in water before finalizing to calibrate beam alignment
For best accuracy, angle the transducer face parallel to the waterline when your boat is loaded and floating. This setup minimizes air entrainment and maximizes bottom-lock readings.
Long-Term Reliability and Care
Built to withstand saltwater exposure, this plastic transducer resists fouling better than some metal alternatives. Regular maintenance keeps it performing like new: Wipe the face monthly with a soft cloth and mild soap, inspect the O-rings on the retraction shaft annually, and retract during winter storage. In high-growth areas, apply a thin anti-fouling paint layer approved for transducers to maintain sensitivity.
Boaters report years of trouble-free service, praising its consistent depth updates in currents up to 10 knots and depths beyond 700 feet, depending on conditions.
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