Cooling system

  • Hose barb male thread 1/2 x 8 mm

    Hose barb male thread 1/2 x 8 mm

    Sale! Original price was: €2,69.Current price is: €2,19. Same day shipping    Add to cart
  • Nose Piece Bi-Bui 3/4 x 1/2

    Nose Piece Bi-Bui 3/4 x 1/2

    Sale! Original price was: €9,95.Current price is: €8,95. Same day shipping    Add to cart
  • Pencil anode complete Ø3/8'' L=1-3/4'' thread=1/4''NPT Zinc + Brass

    Pencil anode complete Ø3/8” L=1-3/4” thread=1/4”NPT Zinc + Brass

    Sale! Original price was: €9,95.Current price is: €7,95. Same day shipping    Add to cart
  • Stainless steel Through-hull outlet, ø 38mm, 45 degrees

    Stainless steel Through-hull outlet, ø 38mm, 45 degrees

    Sale! Original price was: €25,95.Current price is: €20,95. Same day shipping    Add to cart
  • Disc anode single Ø110mm Heavy, Aluminium

    Disc anode single Ø110mm Heavy, Aluminium

    Sale! Original price was: €14,95.Current price is: €11,95. Same day shipping    Add to cart
  • Hose clamp 38-50 mm

    Hose clamp 38-50 mm

    Sale! Original price was: €4,95.Current price is: €3,99. Same day shipping    Add to cart
  • Rubber sleeve Heat exchanger Bowman 3365 51 / 22

    Rubber sleeve Heat exchanger Bowman 3365 51 / 22

    Sale! Original price was: €71,95.Current price is: €59,95. Same day shipping    Add to cart
  • Radiateur dop Vetus opend bij 0,9 bar druk

    Radiator cap Vetus single acting

    Sale! Original price was: €10,95.Current price is: €8,95. Same day shipping    Add to cart
  • Coolant hose 90° Curved hose 25 mm x 150 mm (1'')

    Coolant hose 90° Curved hose 25 mm x 150 mm (1”)

    €16,95 Same day shipping    Add to cart
  • Impeller Volvo Penta 835512, 3854286 Westerbeke: 33104, 11907

    Impeller Volvo Penta 835512, 3854286 Westerbeke: 33104, 11907

    Sale! Original price was: €30,95.Current price is: €25,95. Same day shipping    Add to cart
  • Bukh pencil anode Ø12 L.35 complete plug th.3/8'' UNC Zinc + Brass

    Bukh pencil anode Ø12 L.35 complete plug th.3/8” UNC Zinc + Brass

    Sale! Original price was: €27,95.Current price is: €22,95. Same day shipping    Add to cart
  • Suzuki small plate anode for Suzuki 2HP Zinc

    Suzuki small plate anode for Suzuki 2HP Zinc

    Sale! Original price was: €3,69.Current price is: €3,09. Same day shipping    Add to cart
  • A3-727

    Bowman A3/727 Polar

    Sale! Original price was: €25,95.Current price is: €21,95. Same day shipping    Add to cart
  • CR Brass Hose tail (male) 1"1/4 x 40mm

    CR Brass Hose tail (male) 1″1/4 x 40mm

    Sale! Original price was: €22,95.Current price is: €18,95. Same day shipping    Add to cart
  • CR Brass hose tail (male) 1"1/4 x 32mm

    CR Brass hose tail (male) 1″1/4 x 32mm

    Sale! Original price was: €18,95.Current price is: €15,95. Same day shipping    Add to cart
  • Mercury Anode kit Bravo II-III, Magnesium

    Mercury Anode kit Bravo II-III, Magnesium

    Sale! Original price was: €57,95.Current price is: €47,95. Same day shipping    Add to cart
  • Stainless steel Outlet Through-hull ø 51mm, straight

    Stainless steel Outlet Through-hull ø 51mm, straight

    Sale! Original price was: €33,95.Current price is: €28,95. Same day shipping    Add to cart
  • Pulley 180.00 mm SPA 17mm

    Pulley 180.00 mm SPA 17mm

    €63,95 Same day shipping    Add to cart
  • Impeller pump Vetus M4.14 and M3.10 STM8050

    Impeller pump Vetus M4.14 and M3.10 STM8050

    Sale! Original price was: €369,95.Current price is: €309,95. Out of stock    Read more
  • Hose barb male thread 1/2 x 20 mm

    Hose barb male thread 1/2 x 20 mm

    Sale! Original price was: €3,49.Current price is: €2,89. Same day shipping    Add to cart
  • JMP Mechanical seal kit MCSSET0003

    JMP Mechanical seal kit MCSSET0003

    Sale! Original price was: €41,95.Current price is: €33,95. Same day shipping    Add to cart
  • Pencil anode complete Ø3/8'' L=2'' thread=3/8''NPT Zinc + Brass

    Pencil anode complete Ø3/8” L=2” thread=3/8”NPT Zinc + Brass

    Sale! Original price was: €22,95.Current price is: €18,95. Same day shipping    Add to cart
  • Steyr pencil anode Zinc only Ø 14 L. 29

    Steyr pencil anode Zinc only Ø 14 L. 29

    Sale! Original price was: €10,95.Current price is: €8,95. Same day shipping    Add to cart
  • Sidepower - Sleipner propeller nut SE130/170 - SP240/285 Zinc

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

    Sale! Original price was: €20,95.Current price is: €17,95. 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>