Cooling system

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  • Yanmar brass plug 3/8'' Bspt

    Yanmar brass plug 3/8” Bspt

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  • Yanmar brass plug 3/8'' Bspt

    Yanmar brass plug 3/8” Bspt

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  • Yanmar pencil anode Ø12 L.30 Zinc + Brass

    Yanmar pencil anode Ø12 L.30 Zinc + Brass

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  • Yanmar brass plug 1/2'' Bspt

    Yanmar brass plug 1/2” Bspt

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  • Yanmar Brass plug for pencil anode th.3/8' Gas Conico

    Yanmar Brass plug for pencil anode th.3/8′ Gas Conico

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  • Yanmar Pencil anode Ø12.5 L.32 comp. with brass plug th.3/8"

    Yanmar Pencil anode Ø12.5 L.32 comp. with brass plug th.3/8″

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  • Yanmar pencil anode Ø37 L.20 Zinc

    Yanmar pencil anode Ø37 L.20 Zinc

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  • Yanmar pencil anode Ø40 L.40 Zinc

    Yanmar pencil anode Ø40 L.40 Zinc

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  • Yanmar pencil anode Ø40 L.40 Zinc

    Yanmar pencil anode Ø40 L.40 Zinc

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  • Yanmar pencil anode Ø37 L.20, Zinc

    Yanmar pencil anode Ø37 L.20, Zinc

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  • Rod anode Zinc

    Rod anode Zinc

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  • Yanmar split collar anode for Saildrive Magnesium

    Yanmar split collar anode for Saildrive Magnesium

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    Yanmar trim tab anode – Piastra per fuoribordo Yanmar

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  • Plate  anode for Yanmar  engines Magnesium

    Plate anode for Yanmar engines Magnesium

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  • Yanmar plate anode for engines Zinc

    Yanmar plate anode for engines Zinc

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  • Yanmar pencil anode Ø37 L.20 Zinc

    Yanmar pencil anode Ø37 L.20 Zinc

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  • Nissan Tohatsu Plate anode for engine Zinc

    Nissan Tohatsu Plate anode for engine Zinc

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  • Mercury button anode for engines Ø24 H.7 Magnesium

    Mercury button anode for engines Ø24 H.7 Magnesium

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  • Mercury button anode for engines Ø24 H.6,5 Aluminium

    Mercury button anode for engines Ø24 H.6,5 Aluminium

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  • Mercury button anode for engines Ø24 H.6,5 Zinc

    Mercury button anode for engines Ø24 H.6,5 Zinc

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  • Nissan Tohatsu Plate anode for 40-140 hp Engines Zinc

    Nissan Tohatsu Plate anode for 40-140 hp Engines Zinc

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  • Nissan Tohatsublock anode for Mega engine Magnesium

    Nissan Tohatsublock anode for Mega engine Magnesium

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  • Nissan Tohatsu Block anode for Mega engine Zinc

    Nissan Tohatsu Block anode for Mega engine Zinc

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  • Nissan Tohatsu Skeg for 60-70-90 120-140 hp engines, Zinc

    Nissan Tohatsu Skeg for 60-70-90 120-140 hp engines, Zinc

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The various types of cooling water systems

There are three types of cooling systems:

  1. Direct cooling: a cooling water system whereby water is pumped into the engine block by a impeller pump.
  2. Indirect cooling: a separate cooling water system (also called intercooling or heat exchanger system) in which there is coolant in the engine and cooling water is pumped through a heat exchanger by means of an impeller pump.
  3. Indirect keel cooling : a keel cooling system, in which cooling pipes with coolant run under the boat. With the latter system, a wet exhaust is not possible unless you have installed an additional impeller pump or electric pump.

Dry or wet exhaust?

Choose a wet exhaust. With a wet exhaust, the noise is muffled by the water. You can also use a rubber exhaust hose because of the lower temperature. <read more>

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