Raymarine Tacktick T904 ST300/P371 Plastic Thru Hull Low Profile Speed Transducer

The T904 P371 Speed Temperature Shorty Plastic Through Hull Transducer. Compatible hull material: metal and fiberglass. 9 meter cable with spade connectors. Hole diameter for installation: 2 inch. Compatible with tacktick instruments and also compatible with ST60+, ST40, ST290, ST70 - requires ST70 depth pod (sold separately).

Installation & Maintenance: The T904 acts as a short, low-profile speed and temperature sensor typically connected to a Hull Transmitter (such as the T121 or T122). The transmitter converts this wired data into wireless signals for your display.