12 Series Gen 4 Upgrade - Blue (Discontinued)

12 Series Gen 4 Upgrade - Blue Did you know that all Aqualuma Thru-Hull fittings can be upgraded to the latest generation, with one simple process shown below? This upgrade can be done while the boat is in the water. Upgrading is Simple Twist end cap clockwise and remove old internals. Slide new Generation internals into housing. Twist cap counter clockwise, connect wire and you are done. Upgrade Path Gen 3 - 3 Series may be upgraded to a Gen 4 - 6 Series Gen 3 - 6 Series may be upgraded to a Gen 4 - 12, 18 or 18 Tri Series Gen 4 - 12 Series may be upgraded to any of the Gen 4 - 18 Series or 18 Tri Series