HydroFix™ HRU-100

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Hydrostatic Release Unit for Category I EPIRBs

Model Number: HRU-100 / Part Number 9490.1

Patented rod system allows release of the beacon from a Category I bracket when submerged in water between 1.5 - 4 meters (4.9 - 13.1 feet). Designed to work with Sea Shelter™, Sea Shelter™2 and Sea Shelter™3 brackets

A patented rod system does not rely on a battery, blade or pyrotechnic device to release the beacon. This advantage allows for a quick, seamless and reliable release in an emergency.

Note that this is a date-stamped product and must be replaced every 2 years from the date of installation or 4 years from the date of manufacture.

  • Easily replaceable
  • 100% factory tested
  • Patent Number: 7,435,148

File (9490_Product_Manual.pdf, 775 Kb) [Download]


Product Number 9490.1
Fits ACR Sea Shelter,™ Sea Shelter™2 and Sea Shelter™3 brackets
Size 2.5 x 3.4 x 2.0” (6.3 x 8.6 x 5.0 cm)
Weight 3.3 oz (93.6 g)