[{"id":465271849216,"handle":"all","title":"All Products","updated_at":"2026-07-06T18:58:18-04:00","body_html":"","published_at":"2025-11-13T06:21:51-05:00","sort_order":"best-selling","template_suffix":"all-products","disjunctive":false,"rules":[{"column":"variant_price","relation":"greater_than","condition":"0.00"},{"column":"variant_price","relation":"less_than","condition":"4600.00"}],"published_scope":"global"},{"id":418011218176,"handle":"best-selling-collection","title":"Best selling products","updated_at":"2026-07-06T18:58:18-04:00","body_html":null,"published_at":"2024-04-24T09:08:18-04:00","sort_order":"best-selling","template_suffix":null,"disjunctive":false,"rules":[{"column":"variant_price","relation":"greater_than","condition":"0"}],"published_scope":"web"},{"id":431287468288,"handle":"boat-show-special","title":"Boat Show Special","updated_at":"2026-07-06T18:58:08-04:00","body_html":"","published_at":"2024-10-10T11:02:10-04:00","sort_order":"manual","template_suffix":"","disjunctive":false,"rules":[{"column":"vendor","relation":"not_equals","condition":"Rainman Watermakers"},{"column":"vendor","relation":"not_equals","condition":"Epoch Batteries"}],"published_scope":"global"},{"id":418011185408,"handle":"new-collection","title":"New products","updated_at":"2026-07-06T18:58:18-04:00","body_html":null,"published_at":"2024-04-24T09:08:17-04:00","sort_order":"created-desc","template_suffix":null,"disjunctive":false,"rules":[{"column":"variant_price","relation":"greater_than","condition":"0"}],"published_scope":"web"}]
["Brand_Airmar","MAP","Marine Navigation \u0026 Instruments","Marine Navigation \u0026 Instruments | Transducers","Non-stock","Special Order"]
Skip to content
Use this bar to show information about your cookie policy.
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)