ACR HRU-100 HydroFix / Hydrostatic Release Unit (HRU) Kit
Defender Home Page
Phone: 800-628-8225 Fax: 800-654-1616 Int'l.: 860-701-3400 Email: Contact Us
Shipping Info
no sales tax Defender Home Page
Your Cart

View Cart View Shopping Cart
Check My Order(s)
Track My Package(s)
Conversion Chart
Shopping Areas
Boats & Motors
 Defender Seal

ACR HRU-100 HydroFix / Hydrostatic Release Unit (HRU) Kit

  • Hydrostatic Release Unit for Category I EPIRBs
  • Patented Rod System Allows for Quick, Reliable Release in an Emergency
  • Easily replaceable, 100% Factory Tested, For Sea Shelter Brackets
  • Item #: 
    Model #: 
    Shipping Weight: 
    0.40 Lbs.
    List Price: 
    Our Price:
    Status:    Call to confirm



    The Hydrofix HRU Kit is a universal kit used for Category I ACR EPIRBs


    • Patented rod system allows release of the beacon from a Category I bracket when submerged in water between 4.9 - 13.1 ft (1.5 - 4 m)
    • Does not rely on a battery, blade or pyrotechnic device to release the beacon – allowing for a quick, seamless and reliable release in an emergency
    • Easily replaceable
    • 100% factory tested


    • Designed to work with Sea Shelter™, Sea Shelter™2 and Sea Shelter™3 brackets
    • Dimensions: 2.5" x 3.4" x 2.0" (6.3 cm x 8.6 cm x 5.0 cm)
    • Weight: 3.3 oz (93.6 g)

    Kit includes:

    • Category I bracket (SeaShelter™) release rod
    • Keyed bracket adapter
    • Replacement hydrostatic release unit (HRU)
    • Cotter pin, large
    • HRU expiration label
    • Category I bracket (SeaShelter™) release rod

    NOTE: 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

    WARNING: This product MAY expose you to chemicals, which are known to the State of California to cause cancer, birth defects and/or other reproductive harm. For more information go to


    Have A Suggestion?

    Help us make our site better for everyone! Let us know you've found something wrong or frustrating on this page and we will improve it. Please mark each that apply.

    Product has been improperly categorized
    Page loads too slowly
    Product information is incorrect
    Page has errors or bugs
    Site is frustrating or difficult to use
    Product image is missing or wrong
    Cannot find my size
    Spelling errors on page
    Not enough product information

    Comments or Examples:
    Examples: Missing information such as dimensions and model number, typos, inaccuracies, etc...

    Please include your e-mail address below if you would like us to respond to your comments or questions.             

    Join Our Email List And Receive our Monthly Promotions
    Defender Email Specials