This Tecnoseal aluminium shaft anode is for mounting on a 45 mm propeller shaft and has an outer diameter of 82 mm. The anode is mounted around the shaft with bolts and protects the propeller shaft and adjacent metal parts from galvanic corrosion by degrading itself.
Aluminium can replace traditional zinc anodes and, according to product data, has an alloy with a greater negative charge than zinc. This makes the anode more active over a longer period and provides approx. 70% more Amp/hours of service life than a corresponding zinc anode.
The anode can be used in salt water and brackish water. There must be no physical connection between aluminium and zinc anodes, as the aluminium anode would otherwise protect the zinc anode; anodes on the same boat, drive, or outboard motor should therefore be either all aluminium or all zinc.
Important features
Fits 45 mm propeller shaft
Outer diameter of 82 mm
Split design for mounting around the shaft with bolts
For use in salt water and brackish water
Aluminium is lighter than zinc and cadmium-free
