Thru-Hull Flush Mounted Transducer 

Perfect for water sports which require continuous accurate speed measurements like water-skiing, where boat angles can sometimes interrupt transom mounted senders. 

The thru-hull flush mounted temperature and speed sender offer virtually no drag. Easy installation and accuracy makes this sender the perfect choice for water sports. 

Specifications:

• 30' (10 Meter) Cable Included
• Requires 2" hole in vessel
• Echo-sounding up to 200'
• Reads Water Temperature and Speed
• Useable Shaft Length: 2.25"
• Bare Wire connection

∗Factory P/N SN2031 and AirMar® P/N 31-590-1-41 (Model ST850)

**Sold as an Individual

Specifications:

• Mounting Style: Flush
• Temperature: Yes
• Speed Included: Yes
• Pins: N/A
• Imagining: Standard/Down
• Chirp: No
• Cable Length (Feet): 30
• Box Dimensions: 4"H x 8"W x 9"L WT: 1.6 lbs

Orders are usually shipped the same day or the next business day depending on the time cut off. Review our shipping policies and size guides for answers to common questions.