Description
Use this to replace the galvanic isolation parts included with the GT12M or GT15M-THF transducers.
Upgrade Options
Alternative or higher-specification products you may also wish to consider.
Garmin
Garmin GT12M-THF 0° Tilt 8 Pin Bronze Thru-Hull Transducer
Designed for reduced drag and optimum sonar performance on midsize fishing and cruising boats, this flush-mounted, 350-watt midband CHIRP transducer clearly defines fish arches, structure and bottom depth returns on your display. 0° version supports hull deadrise angles from 0° to 7°.
Garmin
Garmin GT12M-THF 12° Tilt 8 Pin Bronze Thru-Hull Transducer
Designed for reduced drag and optimum sonar performance on midsize fishing and cruising boats, this flush-mounted, 350-watt midband CHIRP transducer clearly defines fish arches, structure and bottom depth returns on your display. 12° supports hull deadrise angles from 8° to 15°.
Garmin
Garmin GT15M-THF 12° Tilt 8 Pin Stainless Steel Thru-Hull Transducer
Designed for reduced drag and optimum sonar performance on midsize fishing and cruising boats, this flush-mounted, 600-watt midband CHIRP transducer clearly defines fish arches, structure and bottom depth returns on your display. 12° supports hull deadrise angles from 8° to 15°.
Garmin
Garmin GT15M-THF 20° Tilt 8 Pin Stainless Steel Thru-Hull Transducer
Designed for reduced drag and optimum sonar performance on midsize fishing and cruising boats, this flush-mounted, 600-watt midband CHIRP transducer clearly defines fish arches, structure and bottom depth returns on your display. 20° supports hull deadrise angles from 16° to 24°.
