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Weld-on hull anode, zinc 1.85kg
Weld-on hull anode, zinc 1.85kg

Weld-on hull anode, zinc 1.85kg

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Protection by means of anodes is a ”must” for all metal parts underwater. Therefore anodes are required for wooden, fiberglass, and aluminum hulls. The material of V-Quipment zinc anodes is of the highest possible standard, the U.S. mil.-A-18001 K. specifications. Anodes that do not meet these specifications have little or no effect.

V-Quipment aluminium anodes consist of an aluminium-indium-zinc alloy Mil - A - 24779 (SH). All V-Quipment anodes are streamlined and mounted either with studs that can be welded to a steel hull or with through-hull bolts for fiberglass and wooden boats. We supply these studs and bolts separately.

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 freshwater provides a higher electrical resistance than saltwater. For sailing on saltwater or brackish water, we recommend the use of zinc anodes. Aluminium anodes also function well in saltwater but are sacrificed at a much faster rate. We do not recommend the use of magnesium anodes, as the difference of potential with other metals is too great which could cause damage to the hull paint, especially when sailing in brackish or salt waters.

Use the table below to select the right anode suitable for the type of water in which the boat is generally used.

Hull material
Water type Wood GRP Aluminium Steel Sterndrive/ outboard
Fresh Aluminium Aluminium Aluminium Aluminium Aluminium
Brackish Zinc/ Aluminium Zinc/ Aluminium Zinc/ Aluminium Zinc/ Aluminium Aluminium
Salt Zinc/ Aluminium Zinc/ Aluminium Zinc/ Aluminium Zinc/ Aluminium Aluminium
An annual inspection of the anode is needed, it should be replaced when the anode has been 50% sacrified.

Part Number Description Type of contour Length
(LO=) (mm)
Steel strap
WOA002Z Weld - on hull anode, zinc Rectangular 298 200 70 22 298x25x5 1.56 1.85
WOA002A Weld - on hull anode, aluminium Rectangular 298 200 70 22 298x25x5 0.76 1.05

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