Seago Seaguard 165N AUTO Harness

£ 52.50 ex.VAT

Please select which colour option of the Seaguard Auto Harness Lifejacket you require

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The versatile Seago Seaguard 165N Auto Harness is a lightweight, popular low profile lifejacket. It is easy to fit, simple to rearm and available in 3 colours.

The Seago Seaguard 165N Auto Harness has a comfortable round neck design which with its light weight combines to make this lifejacket a popular model.  The abrasion resistant cover, together with quick fasten buckle, single crutch strap makes the Seaguard an all round automatic lifejacket. This model also comes with a lightweight D-Ring that provides a secure attachment point.

  • Certified to BS EN 12402-3 150N with an actual test buoyancy of 170N.
  • automatic and manual inflation provided by UML Mk5 Inflator.
  • oral backup inflation.
  • safety whistle.
  • quick fasten buckle.
  • crotch strap.
  • Easy access to inflator mechanism through velcro fasten cover.
  • lightweight D-Ring

Seago User’s Manual.

The Seaguard Auto Harness uses the popular UML Mk5 inflator from United Moulders. Please follow this link for further information on the UML Mk5 Inflator.

Seago Seaguard 165N AUTO Harness








The Black Cartridge with Green End Cap, Model UMA5000 is a key part of the mechanism. It contains the paper element that dissolves on contact with water. This releases the spring and fires the CO2 Cylinder. The jacket should inflate fully in a few seconds. The cartridge has a replace by date, but this is the maximum date. Check the UML recommendations on the UMA5000 listing and consider changing before the replace by date. It might avoid accidental inflations.


Additional information


Navy/Grey, Grey/Black, Red/Grey


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