ZSS-12 Weld-On Zinc Anode GA 12, 12 x 3.5 x 1.25

US Military Grade Aluminum Anode. This Anode Is For Salt, Brackish, And Freshwater Use.


The ZSS-12 is a zinc anode designed with a galvanized steel strap attached for mounting. This strap may have holes for bolting onto the surface that needs protection. The zinc part itself measures 1.25 inches thick, 3 inches wide, and 12 inches long, weighing about 11 pounds. The mounting strap is 16 inches long and 0.19 inches thick by 1.25 inches wide. The ZSS-12 is engineered to handle 0.50 amps per year and meets the MIL A 18001K specification (also known as ASTM B-418 Type 1).

Parameter Value
Length Overall 16″
Length of Zinc 12″
Width 3″
Thickness 1-1/4″
Steel Tabs 2″ x 1-1/4″ (nominal)
Weight 12 lbs

A galvanized steel strap, 1-1/4 inches wide, runs completely through the anode and extends outward by 2 inches on each side.

The strap ends are 3/16 inches thick and can be drilled if needed for attaching bolts.

Element Percentage
Zn (Zinc) Balance
Fe (Iron) 0.001%
Cu (Copper) 0.001%
Cd (Cadmium) 0.054%
Pb (Lead) 0.002%
Al (Aluminum) 0.240%
ZSS-12 Weld-On Aluminum Anode GA 12, 12 x 3.5 x 1.25
ZSS-12 Weld-On Aluminum Anode GA 12, 12 x 3.5 x 1.25