B45 Bronze Thru-Hull with Depth & Temperature – 8-Pin for Garmin
The B45 is Airmar’s smallest, bronze, thru-hull stem, offering quality design at an economical price. The classic housing is streamlined to deflect aerated water from the transducer’s face, providing solid echo returns.
Features:
- Bronze housing
- Depth and Temperature
- Recommended for planning-hull powerboats and cruising sailboats up to 9 m (30’)
- Good sensitivity in a compact housing
- High-performance fairing included
- Fast-response water-temperature sensor provides ±0.2°C (±0.1°F) accuracy
Specifications:
- Fits: All Garmin 50/200 kHz units with 8-pin
- Usable Shaft Length: 92 mm (3.62 in.)
- Standard fairing block: 33-351-01
- Frequency: 50/200 kHz
- Beamwidth: 50 kHz—45°, 200 kHz—12°
- RMS Power: 600 W
- Maximum Depth Range (50 kHz): 235 m to 353 m (800 ft. to 1,200 ft.)
- Maximum Depth Range (200 kHz): 118 m to 206 m (400 ft. to 700 ft.)
This product may not be returned to the original point of purchase.Please contact the manufacturer directly with any issues or concerns.
Specifications:
- Mounting Style: Thru-Hull
- Pins: 8
- Temperature: Yes
- Box Dimensions: 4″H x 12″W x 16″L WT: 5.5 lbs
Brochure (pdf)

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