Our Location: 2021 Alaska Packer Place At Grand Marina Alameda, CA 94501

Raymarine M78717 Retractable Transducer

Blue Pelican Marine is committed to your satisfaction as a customer. Therefore we ask If there are any questions or problems with your purchase, please contact us BEFORE leaving any feedback at (510) 769-4858 and we will make every effort to resolve any issues you may have.

Raymarine M78717 Retractable Transducer 


  • Depth-only instrument transducer in a bronze housing with retractable insert
  • Nearly flush low-profile model minimizes drag with only 3/16" protruding outside of hull
  • Blanking plug included
  • Self-jacking transducer insert is easily removed from housing for quick service or storage
  • Right-angle cable exit reduces required headroom and protects cable from damage
  • Housing is ABYC H-27 compliant
  • Rubber washer (included) allows tightening of hull nut to irregular hull surfaces
  • Suitable for cruising powerboats and sailboats
  • Compatible with Raymarine ST40, i40, ST60, i50, ST290, ST70* and i70*


  • Raymarine Model No. M78717
  • Mount: Thru-hull
  • Housing Material: Bronze
  • Connector: Spade connector for Raymarine instruments
  • Cable: 45 ft.
  • Frequency: 200 kHz
  • Cone: 13°
  • Power: 250 Watts RMS
  • Max. Depth Range: 400 - 600 ft.
  • Acoustic Window Material: Urethane
  • Compatible Hull Materials: Fiberglass or wood
  • Hole Diameter for Installation: 2"
  • Dimensions: 4.87" H x 2.94" OD




The Blue Pelican
Looking for used boat parts?  You've come to the right place.  We are a Sailor's Marine Consignment Chandlery serving the San Francisco Bay Area located at Grand Marina in Alameda, California.  Our new and gently used marine equipment inventory will outfit sailors of all experience levels and interests.  Our prices are very affordable and selection is impressive.
Our listings may be concurrently shown on our show room floor.   We reserve the right to end a listing early or cancel order due to a customer buying at our physical location.
We offer returns with a return authorization.  Before shipping back your item please send email to Blue Pelican Marine through EBAY describing in detail the problem with the item and the reason for the return.  We will refund the purchase prices less shipping.  Customers are responsible for return shipping charges.  

1 item left