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For vessels which mostly cruise on inland (fresh) waters, we recommend aluminium anodes, since aluminium has a greater difference of potential with other metals than zinc. This is very important, as fresh water provides a higher electrical resistance than salt water. Cathodic protection by means of anodes is a ”must” for the protection of all metal parts under water. Therefore, not only for steel boats, but also for wooden, fibreglass and aluminium hulls, anodes are required.
VETUS aluminium anodes consist of an aluminium-indium-zinc alloy Mil - A - 24779 (SH).
All VETUS anodes are streamlined and mounted either with specially made studs, which can be welded to a steel hull, or special through-hull bolts for fibreglass and wooden boats. We supply these studs and bolts separately.
When ordering, please always specify the material of the hull. All metal parts must have a direct contact with the anode. Therefore the bolts supplied for e.g. fibreglass hulls must have a wire-connection, so that contact can be made with the metal parts. On fibreglass and wooden boats only the metal parts must be protected.
The anodes are supplied excluding connection kit. For anodes type 25 and 35 you need two connection kits.
All VETUS anodes have a protective layer of paint at the mounting side to prevent damage to the paint work of your boat.
| Reference | Length mm | Width mm | Height mm |
Weight kg |
| ALU15C | 150 | 70 | 25 | 0.49 |
| ALU25C | 250 | 75 | 30 | 1.1 |
| ALU35C | 350 | 80 | 35 | 2.1 |
| ALU15C | ALU25C | ALU35C | ||||
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