Garmin GT21-TH S/S Thru-Hull ClearVü & CHIRP, 600W 50/200kHz Traditional, 500W 260 & 455 ClearVü CHIRP

 $427.49

Weight 8.4 lbs
SKU: 55476|55477|57017|64853|67635|67636|67637|68852|68853|68854|70154|70155|70156|70157|70158|70159|70160|70161|70162|70163|70164|70165|70167|70177|70182|70184 Category:
Description

GT21-TH

Perfect for coastal and offshore fishermen who want traditional sonar and CHIRP ClearVü scanning sonar with a stainless steel stem, this thru-hull mount transducer consistently displays clear and crisp fish arches with superior target separation as well as clear definition of structure below the boat.

The CHIRP ClearVü element has a power rating of 500 W and operating frequencies of 260/455 kHz. The traditional sonar has a power rating of 600 W and operating frequencies of 50/200 kHz. It includes a built-in fast-response temperature sensor. For hull deadrises less than 25 degrees. 

GT21-TH includes an 8-pin transducer with stainless steel stem, fairing block, isolation plate and bushings, mounting hardware and installation instructions. Follow the instructions carefully to avoid damaging your boat.

Reviews (0)

Reviews

There are no reviews yet.

Be the first to review “Garmin GT21-TH S/S Thru-Hull ClearVü & CHIRP, 600W 50/200kHz Traditional, 500W 260 & 455 ClearVü CHIRP”

Your email address will not be published. Required fields are marked *

Shipping & Delivery

⚓ Smooth Sailing Shipping

Enjoy FREE standard shipping on most orders over $250 within the continental U.S. (excl. heavy/oversized/hazardous items).

We ship via UPS, FedEx, and USPS . Orders are processed in 1–2 business days with typical delivery in 1–5 business days .

🧭 Track The Voyage

You’ll receive tracking info by email once your order ships. If your package is marked “delivered” but not received, please wait 48 hours then reach out to our team.

🛟 Hassle-Free Returns & Exchanges

Returns accepted within 30 days of delivery. Items must be unused and in original packaging.

  • Mistaken or damaged cargo? We’ll handle return shipping.
  • Changed your course? Return shipping is on you.
  • Report defects or damage within 7 days for a free exchange.

💰 Anchor Your Refund

Refunds go back to your original payment method within 5–7 business days after inspection.

📨 Contact the Crew

Questions about your order? Drop anchor at sales@marineelec.com .