Cooling system

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  • Hose barb male thread 2" x 45 mm

    Hose barb male thread 2″ x 45 mm

    Sale! Original price was: €18,95.Current price is: €15,95. Same day shipping    Add to cart
  • Hose barb male thread 3/4 x 13 mm

    Hose barb male thread 3/4 x 13 mm

    Sale! Original price was: €3,69.Current price is: €3,09. Out of stock    Read more
  • Elbow 90 degrees female/male thread 1/2

    Elbow 90 degrees female/male thread 1/2

    Sale! Original price was: €5,95.Current price is: €4,95. Same day shipping    Add to cart
  • JMP Gasket end cover GAK0052

    JMP Gasket end cover GAK0052

    Sale! Original price was: €3,79.Current price is: €3,19. Same day shipping    Add to cart
  • Honda Kit BF in magnesium

    Honda Kit BF in magnesium

    Sale! Original price was: €55,95.Current price is: €45,95. Same day shipping    Add to cart
  • Quick small plate anode for BTQR Aluminium

    Quick small plate anode for BTQR Aluminium

    Sale! Original price was: €5,95.Current price is: €4,95. Same day shipping    Add to cart
  • Hamilton Jet Washer for HJ 292, HJ3 62 Zinc

    Hamilton Jet Washer for HJ 292, HJ3 62 Zinc

    Sale! Original price was: €19,95.Current price is: €16,95. Same day shipping    Add to cart
  • Sidepower - Sleipner propeller nut SE130/170 - SP240/285 Aluminium

    Sidepower – Sleipner propeller nut SE130/170 – SP240/285 Aluminium

    Sale! Original price was: €22,95.Current price is: €19,95. Same day shipping    Add to cart
  • Honda Skeg anode for 25-40-50 HP Magnesium

    Honda Skeg anode for 25-40-50 HP Magnesium

    Sale! Original price was: €15,95.Current price is: €13,95. Same day shipping    Add to cart
  • Suzuki Plate anode for 70-90-115-140-150HP Aluminium

    Suzuki Plate anode for 70-90-115-140-150HP Aluminium

    Sale! Original price was: €13,95.Current price is: €10,95. Same day shipping    Add to cart
  • Yamaha cavitation plate 8 - 60HP Zinc

    Yamaha cavitation plate 8 – 60HP Zinc

    Sale! Original price was: €11,95.Current price is: €9,95. Out of stock    Read more
  • Varifold prop nut VF108/VF120 3 & 4 blades, Zinc

    Varifold prop nut VF108/VF120 3 & 4 blades, Zinc

    Sale! Original price was: €13,95.Current price is: €11,95. Out of stock    Read more
  • BRP Plate for Johnson 8-9,99-15 HP, Zinc

    BRP Plate for Johnson 8-9,99-15 HP, Zinc

    Sale! Original price was: €7,95.Current price is: €6,95. Same day shipping    Add to cart
  • Anode for Stern Ø135 mm Aluminium

    Anode for Stern Ø135 mm Aluminium

    Sale! Original price was: €59,95.Current price is: €49,95. Same day shipping    Add to cart
  • Romp- en spiegel anodes speciaal vormgegeven anodes, voor de montage op de romp en de spiegel.

    Screw-on Bar anode UK TYPE – Fairline 200 x 65 x 32 H.C.110, Aluminium

    Sale! Original price was: €23,95.Current price is: €19,95. Same day shipping    Add to cart
  • Tear drop bolt-on anode 2.1kg with slotted holes H.C.200, Zinc

    Tear drop bolt-on anode 2.1kg with slotted holes H.C.200, Zinc

    Sale! Original price was: €52,95.Current price is: €43,95. Out of stock    Read more
  • Shaft anode USA type Ø 60mm, Aluminium

    Shaft anode USA type Ø 60mm, Aluminium

    Sale! Original price was: €83,95.Current price is: €69,95. Same day shipping    Add to cart
  • Volvo Penta Screw-on anode for IPS-drive, Zinc

    Volvo Penta Screw-on anode for IPS-drive, Zinc

    Sale! Original price was: €35,95.Current price is: €29,95. Out of stock    Read more
  • Volvo Penta MD2010, MD2020, MD2030, D1-20, D1-30 Exhaust Elbow 861906 – Stainless Steel

    Volvo Penta MD2010, MD2020, MD2030, D1-20, D1-30 Exhaust Elbow 861906 – Stainless Steel

    Sale! Original price was: €319,95.Current price is: €269,95. Out of stock    Read more
  • Stainless steel Through-hull outlet, ø 89mm, 45 degrees

    Stainless steel Through-hull outlet, ø 89mm, 45 degrees

    Sale! Original price was: €99,95.Current price is: €85,95. Out of stock    Read more
  • CR Brass Through-hull outlet, flushed 1"1/4

    CR Brass Through-hull outlet, flushed 1″1/4

    Sale! Original price was: €43,95.Current price is: €35,95. Same day shipping    Add to cart
  • Slim type Shaft collar Ø 25mm Zinc

    Slim type Shaft collar Ø 25mm Zinc

    Sale! Original price was: €12,95.Current price is: €10,95. Out of stock    Read more
  • ZF Collar anode for Saildrive, Zinc

    ZF Collar anode for Saildrive, Zinc

    Sale! Original price was: €29,95.Current price is: €24,95. Out of stock    Read more
  • Shaft anode USA type Ø 30mm Aluminium

    Shaft anode USA type Ø 30mm Aluminium

    Sale! Original price was: €12,95.Current price is: €10,95. Same day shipping    Add to cart

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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