B22 Thru-hull
Part NumberB22
![B22 Thru-hull](https://assets-7484b3de52.cdn.insitecloud.net/27b75c35c457598_md.png)
Airmar no longer manufactures this transducer.
The B22 and P19 have been the standard in low-profile models for many years. Their large, sensitive ceramics allow deep echosounding up to 206 m (700'). These nearly flush units minimize drag as only 5 mm (2/10") of the housing extends outside of the hull.
![B22 Thru-hull](https://assets-7484b3de52.cdn.insitecloud.net/27b75c35c457598_md.png)
- Weight: 0.6 kg (1.3 lb)
- Hull Deadrise: Up to 24°
- Acoustic Window: Urethane
- Hole Diameter: 51 mm (2”)
- Acoustic Window: UrethaneFunctions: Depth, TemperatureHole Size: 51 mm (2")Housing: BronzeMax Deadrise: Up to 24°Max Depth: 206 m (675')