Cooling system

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  • Ball valve 3 way L-bore LIGHT 3/8

    Ball valve 3 way L-bore LIGHT 3/8

    Sale! Original price was: €28,95.Current price is: €23,95. 3-5 working days    Add to cart
  • Mini ball valve female/male thread 1/4

    Mini ball valve female/male thread 1/4

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  • Brass plug male thread 3/8

    Brass plug male thread 3/8

    Sale! Original price was: €1,79.Current price is: €1,49. Same day shipping    Add to cart
  • ADAPTER NIPPLE 1 x 11/4

    ADAPTER NIPPLE 1 x 11/4

    Sale! Original price was: €6,95.Current price is: €5,95. Same day shipping    Add to cart
  • REDUCE nipple 3/4 x 1

    REDUCE nipple 3/4 x 1

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  • Reducer socket female thread 1 x 11/4

    Reducer socket female thread 1 x 11/4

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  • Reducer socket female thread 3/4 x 1

    Reducer socket female thread 3/4 x 1

    Sale! Original price was: €9,95.Current price is: €7,95. Same day shipping    Add to cart
  • Brass end cap socket female thread 3/8

    Brass end cap socket female thread 3/8

    Sale! Original price was: €1,19.Current price is: €0,99. Same day shipping    Add to cart
  • Connection nut with flange 11/4

    Connection nut with flange 11/4

    Sale! Original price was: €10,95.Current price is: €8,95. Same day shipping    Add to cart
  • Nosepiece Bi-Bui 1/2 x 3/8

    Nosepiece Bi-Bui 1/2 x 3/8

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  • Reducer RING female/male thread 1/2 x 11/4

    Reducer RING female/male thread 1/2 x 11/4

    Sale! Original price was: €10,95.Current price is: €8,95. Same day shipping    Add to cart
  • Reducer RING female/male thread 11/4 x 11/2

    Reducer RING female/male thread 11/4 x 11/2

    Sale! Original price was: €8,95.Current price is: €6,95. Same day shipping    Add to cart
  • Elbow 45 deg. Inner/outer thread 1 1/2

    Elbow 45 deg. Inner/outer thread 1 1/2

    Sale! Original price was: €21,95.Current price is: €18,95. 3-5 working days    Add to cart
  • Elbow 45 degrees 2x female thread 1/2"

    Elbow 45 degrees 2x female thread 1/2″

    Sale! Original price was: €9,95.Current price is: €7,95. Same day shipping    Add to cart
  • Skin grommet BOL chrome plated 1 1/2

    Skin grommet BOL chrome plated 1 1/2

    Sale! Original price was: €43,95.Current price is: €35,95. 3-5 working days    Add to cart
  • Brass socket female thread 1/4

    Brass socket female thread 1/4

    Sale! Original price was: €1,39.Current price is: €1,19. Same day shipping    Add to cart
  • Elbow 90 degrees 2x female thread 1 1/4

    Elbow 90 degrees 2x female thread 1 1/4

    Sale! Original price was: €12,95.Current price is: €10,95. Same day shipping    Add to cart
  • Elbow 45 degrees 2x female thread 1 1/4"

    Elbow 45 degrees 2x female thread 1 1/4″

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  • O' Ring Ø 75.79 mm, thickness 3.53 mm.

    O’ Ring Ø 75.79 mm, thickness 3.53 mm.

    Sale! Original price was: €14,95.Current price is: €12,95. Same day shipping    Add to cart
  • Cooling element 55-540 (180D)

    Cooling element 55-540 (180D)

    €399,95 Same day shipping    Add to cart
  • JMP Impeller Pump 3919899 Cummins 6BT

    JMP Impeller Pump 3919899 Cummins 6BT

    Sale! Original price was: €949,95.Current price is: €789,95. Same day shipping    Add to cart
  • Impeller pump Mercruiser QSD 2.0L, 2.8L 879312023, 854179001

    Impeller pump Mercruiser QSD 2.0L, 2.8L 879312023, 854179001

    Sale! Original price was: €519,95.Current price is: €439,95. Same day shipping    Add to cart
  • JMP snap ring 0002

    JMP snap ring 0002

    Sale! Original price was: €1,89.Current price is: €1,59. Same day shipping    Add to cart
  • JMP O Ring ORG0013

    JMP O Ring ORG0013

    Sale! Original price was: €3,79.Current price is: €3,19. 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.

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