H20 RELEASE UNITS

When you buy a Hammar H20 Hydrostatic Release Unit (HRU), you don't just get the market's best-selling release unit. You also get a sample of our long history and tradition of safety at sea. Hammar has by far the broadest product range on the market.

SAFETY ALERT: Refurbished H20 found in Nigeria

March 11, 2025

Dear Valued Customer, We have recently become aware that refurbished versions of our H20 Hydrostatic Release Unit…

Update: New Casing on Battery HM-0725 in Control Panel 2

January 22, 2025

We use two different batteries to reduce lead time and meet our customers’ requirements on Control Panel…

Merry Christmas and a Happy New Year!

December 17, 2024

Wishing You a Merry Christmas and a Happy New Year! As 2024 comes to an end, we…

SAVING LIVES AT SEA FOR MORE THAN 30 YEARS

The Hammar H20 is the best-selling hydrostatic release unit in the world and it has been saving lives on the oceans for more than 30 years. Its safe, reliable and simple design has earned it more worldwide approval than any other unit.

The H20 needs no annual service, maintenance or spare parts. You simply install a new one and dispose of the old one after service life is at end.