TECNOSEAL is one of the leading global suppliers of anodes for cathodic protection in industries such as water recreation, shipbuilding, and maritime applications.
With over 30 years of experience, they manufacture anodes made of zinc, aluminum, and magnesium directly at their factory in Grosseto, Tuscany. Today, they offer the largest selection of anodes in the world: nearly 2,000 standard production anodes and over 3,000 custom-made products crafted to meet customer demands.
Fast deliveries of yacht equipment, calculation, selection of analogues and spare parts. Send us your request and we will contact you ASAP with a solution. We deliver in Cyprus, throughout Europe and worldwide. More than 10 years of experience.
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1-2 weeks delivery time Tecnoseal 00341 zinc weld-on sacrificial anode with two integrated mounting straps for hull and transom applications. The anode weighs 10.00 kg and has body dimensions of 298 × 148 × 30 mm, with an l1 dimension of 120 mm and 260 × 30 × 6 mm straps. The standard version is supplied with steel inserts, while aluminium or stainless steel inserts are available on request. |
$ 637.28
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1-2 weeks delivery time Tecnoseal 00341AL aluminium weld-on sacrificial anode with two integrated mounting straps for hull and transom applications. The anode weighs 4.50 kg and has body dimensions of 298 × 148 × 30 mm, with an l1 dimension of 120 mm and 260 × 30 × 6 mm straps. The standard version is supplied with steel inserts, while aluminium or stainless steel inserts are available on request. |
$ 176.09
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1-2 weeks delivery time Tecnoseal 00341MG magnesium weld-on sacrificial anode with two integrated mounting straps for hull and transom applications. The anode weighs 3.25 kg and has body dimensions of 298 × 148 × 30 mm, with an l1 dimension of 120 mm and two 260 × 30 × 6 mm straps. The standard version is supplied with steel inserts, while aluminium or stainless steel inserts are available on request. |
$ 198.69
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1-2 weeks delivery time Tecnoseal 00390 zinc weld-on sacrificial anode with two integrated mounting straps for hull and transom applications. The anode weighs 24.00 kg and has body dimensions of 365 × 225 × 65 mm. It is fitted with 365 × 30 × 6 mm and 95 × 30 × 6 mm straps. The standard version is supplied with steel inserts, while aluminium or stainless steel inserts are available on request. |
$ 1,052.63
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1-2 weeks delivery time Tecnoseal 00390AL aluminium weld-on sacrificial anode with two integrated mounting straps for hull and transom applications. The anode weighs 11.00 kg and has body dimensions of 365 × 225 × 65 mm. It is fitted with 365 × 30 × 6 mm and 95 × 30 × 6 mm straps. The standard version is supplied with steel inserts, while aluminium or stainless steel inserts are available on request. |
$ 358.71
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1-2 weeks delivery time Tecnoseal 00349 is a zinc weld-on sacrificial anode with 2 straps, designed for reliable corrosion protection in marine applications. The anode weighs 10.00 kg and features body dimensions of 356 × 125 × 165 mm with a height of 30 mm. It is supplied with 2 straps sized 260 × 30 × 6 mm. The standard version comes with a steel insert, while aluminium or stainless steel inserts are available on request. |
$ 560.57
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1-2 weeks delivery time Tecnoseal 00349AL aluminium weld-on sacrificial anode with two integrated mounting straps for hull and transom applications. The anode weighs 4.50 kg and has body dimensions of 356 × 165 × 30 mm, with an l1 dimension of 125 mm and 260 × 30 × 6 mm straps. The standard version is supplied with steel inserts, while aluminium or stainless steel inserts are available on request. |
$ 194.18
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1-2 weeks delivery time Tecnoseal zinc large disc sacrificial anodes with steel insert for hull and transom applications. The range includes nine models with outside diameters from Ø150 to Ø300 mm, heights from 25 to 35 mm and weights from 2.80 to 11.90 kg. Central hole diameters are Ø14, Ø16 or Ø17.5 mm depending on the model. Select the required version according to outside diameter, height, central hole diameter and anode weight. |
$ 178.50
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1-2 weeks delivery time Tecnoseal aluminium large disc sacrificial anodes with steel insert for hull and transom applications. The range includes seven models with outside diameters from Ø150 to Ø230 mm, heights from 25 to 35 mm and weights from 1.30 to 3.80 kg. Central mounting hole diameters are Ø14 or Ø16 mm depending on the model. Select the required version according to outside diameter, height, central hole diameter and anode weight. |
$ 218.89
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1-2 weeks delivery time Tecnoseal magnesium large disc sacrificial anodes with steel insert for hull and transom applications. The range includes four models with outside diameters from Ø150 to Ø230 mm, heights from 25 to 32 mm and weights from 0.70 to 2.20 kg. All available magnesium versions feature a Ø14 mm central mounting hole. Select the required model according to outside diameter, height and anode weight. |
$ 300.41
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1-2 weeks delivery time Tecnoseal zinc stern disc sacrificial anodes for stern applications, available either as anode only without insert or as complete kits with mounting components. The range covers Ø125 and Ø140 mm outside diameters, heights from 30 to 38 mm and weights from 2.69 to 3.35 kg depending on size and supply configuration. All versions feature Ø1 50 mm, Ø2 14.5 mm and Ø3 48 mm dimensions. Complete kits include the corresponding zinc disc anode together with 00153-PERNOCOMPLETO / nut, PP cap and pad. Tecnoseal 00140 corresponds to Osculati 43.210.02 and Tecnoseal 00131 corresponds to Osculati 43.210.03. Select the required version according to diameter, height, weight and supply configuration. |
$ 188.97
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1-2 weeks delivery time Tecnoseal aluminium stern disc sacrificial anodes for stern applications, available either as anode only without insert or as complete kits with mounting components. The range covers Ø125 and Ø140 mm outside diameters, heights from 30 to 38 mm and weights from 1.00 to 1.60 kg depending on size and supply configuration. All versions feature Ø1 50 mm, Ø2 14.5 mm and Ø3 48 mm dimensions. Complete kits include the corresponding aluminium stern disc anode together with 00153-PERNOCOMPLETO / nut, PP cap and pad. Tecnoseal 00140AL corresponds to Osculati 43.210.12 and Tecnoseal 00131AL corresponds to Osculati 43.210.13. Select the required version according to diameter, height, weight and supply configuration. |
$ 92.08
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1-2 weeks delivery time Tecnoseal magnesium stern disc sacrificial anodes for stern applications, available either as anode only without insert or as complete kits with mounting components. The range covers Ø125 and Ø140 mm outside diameters, heights from 30 to 38 mm and weights from 0.68 to 1.13 kg depending on size and supply configuration. All versions feature Ø1 50 mm, Ø2 14.5 mm and Ø3 48 mm dimensions. Complete kits include the corresponding stern disc anode together with 00153-PERNOCOMPLETO, nut, PP cap and pad. Tecnoseal 00140MG corresponds to Osculati 43.210.22 and Tecnoseal 00131MG corresponds to Osculati 43.210.23. Select the required version according to diameter, height, weight and supply configuration. |
$ 130.45
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1-2 weeks delivery time Tecnoseal zinc stern disc sacrificial anodes supplied as anode only, without insert. The range includes four models with outside diameters from Ø100 to Ø145 mm, heights from 25 to 40 mm and weights from 1.88 to 4.00 kg. Available configurations feature Ø1 dimensions of 38 or 40 mm and Ø2 mounting-hole diameters from 10 to 12.5 mm. Tecnoseal 00155 is also listed as equivalent to Tecnoseal 02462. Select the required version according to outside diameter, height, mounting dimensions and weight. |
$ 135.20
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1-2 weeks delivery time Tecnoseal aluminium stern disc sacrificial anodes supplied as anode only, without insert. The range includes four models with outside diameters from Ø100 to Ø145 mm, heights from 25 to 40 mm and weights from 0.74 to 1.80 kg. Available versions feature Ø1 dimensions of 38 or 40 mm and Ø2 mounting-hole diameters from 10 to 12.5 mm. Select the required model according to outside diameter, height, mounting dimensions and weight. |
$ 70.39
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1-2 weeks delivery time Tecnoseal 00150MG magnesium stern disc sacrificial anode supplied as anode only, without insert. The anode measures Ø100 x 40 mm and weighs 0.51 kg. Technical dimensions include Ø1 40 mm and Ø2 12.5 mm. Designed for stern applications and suitable for replacement where these dimensions match the existing installation. |
$ 106.63
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1-2 weeks delivery time Tecnoseal zinc Baglietto-type stern disc sacrificial anodes with steel insert for stern applications, available in two supply configurations. Tecnoseal 00152 is supplied as anode only with PP cap and weighs 3.91 kg, while Tecnoseal 00153 is supplied as a complete 4.14 kg kit comprising 00152 together with 00153-PERNOCOMPLETO / nut, PP cap and pad. Both versions measure Ø135 x 47 mm and share dimensions a 35 mm, b 9 mm, Ø1 50x3 mm, Ø2 32 mm and Ø3 14.5 mm. |
$ 347.68
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1-2 weeks delivery time Tecnoseal aluminium Baglietto-type stern disc sacrificial anodes with steel insert for stern applications, available in two supply configurations. Tecnoseal 00152AL is supplied as anode only with PP cap and weighs 1.53 kg, while Tecnoseal 00153AL is supplied as a complete 1.76 kg kit comprising 00152AL together with 00153-PERNOCOMPLETO / nut, PP cap and pad. Both versions measure Ø135 x 47 mm and share dimensions a 35 mm, b 9 mm, Ø1 50x3 mm, Ø2 32 mm and Ø3 14.5 mm. |
$ 220.59
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What is the role of a Tecnoseal anode in protecting a boat's hull from corrosion?
Tecnoseal anodes play a critical role in protecting a boat's hull from corrosion through the use of sacrificial anodes for cathodic protection. These anodes, made from aluminum and magnesium, act as a "sacrificial" layer that corrodes in place of the boat's hull and engine components, preserving their integrity in marine environments. As one of the world’s leading suppliers of sacrificial anodes, Tecnoseal ensures top-quality protection for both leisure boats and larger ships.
For high-quality corrosion prevention, explore our Anodes for Aluminium Boats, designed to ensure long-lasting marine protection.
What are the differences between aluminum and magnesium anodes in terms of their application on boats?
Aluminum and magnesium anodes serve different purposes based on the type of water where boats operate. Magnesium anodes are more active and are best suited for freshwater environments, offering high-quality cathodic protection by corroding faster than aluminum. Aluminum anodes, on the other hand, are more commonly used in saltwater and brackish water, as they provide long-lasting protection for boats in harsher marine environments, making them ideal for a wide range of leisure and naval applications.
How does zinc protect a boat's hull from corrosion in saltwater environments?
Zinc anodes, produced by Tecnoseal foundry, offer essential cathodic protection to a boat's hull in saltwater environments. By acting as sacrificial anodes, zinc absorbs the corrosive effects of seawater, protecting the boat’s hull and other metal components. Tecnoseal, with a wide range of anodes specifically designed for the leisure boat market, produces and supplies high-quality zinc anodes that meet the needs of both recreational and commercial vessels, ensuring long-lasting protection against corrosion.