Cooling system

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  • Tear drop bolt-on anode 1.8kg with slotted holes H.C.200, Zinc

    Tear drop bolt-on anode 1.8kg with slotted holes H.C.200, Zinc

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  • Volvo Penta cavitation plate for outdrive Aluminium

    Volvo Penta cavitation plate for outdrive Aluminium

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  • Mercruiser Cavitation plate Aluminium

    Mercruiser Cavitation plate Aluminium

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  • Volvo Penta transom plate Aluminium

    Volvo Penta transom plate Aluminium

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  • Shaft collar naca profile Ø 22mm, Zinc

    Shaft collar naca profile Ø 22mm, Zinc

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  • CR Brass Elbow 45º female/male 2"

    CR Brass Elbow 45º female/male 2″

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  • CR Brass T-Coupling female 1"1/2

    CR Brass T-Coupling female 1″1/2

    Sale! Original price was: €45,95.Current price is: €36,95. Same day shipping    Add to cart
  • CR Brass T-Coupling female 3/8"

    CR Brass T-Coupling female 3/8″

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  • CR Brass Elbow 90º female/female 2"

    CR Brass Elbow 90º female/female 2″

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  • CR Brass Through-hull outlet 1"1/2 with hose tail 45mm

    CR Brass Through-hull outlet 1″1/2 with hose tail 45mm

    Sale! Original price was: €56,95.Current price is: €46,95. Same day shipping    Add to cart
  • Wierfilter of Wierpot voor het koelwatersysteem van je boot

    Weed filter, Cooling water filter Bronze with anode 3”

    Sale! Original price was: €1.119,95.Current price is: €929,95. Same day shipping    Add to cart
  • Closed cooling system Wall mounted, up to 17hp

    Closed cooling system Wall mounted, up to 17hp

    Sale! Original price was: €959,95.Current price is: €799,95. 3-5 working days    Add to cart
  • Exhaust clamp 57mm

    Exhaust clamp 57mm

    Sale! Original price was: €5,95.Current price is: €4,95. Out of stock    Read more
  • Coolant hose 90° Curved hose 80 mm x 300 mm (3 1/8'')

    Coolant hose 90° Curved hose 80 mm x 300 mm (3 1/8”)

    €43,95 Out of stock    Read more
  • Coolant hose 90° Curved hose 10 mm x 150 mm (3/8")

    Coolant hose 90° Curved hose 10 mm x 150 mm (3/8″)

    €16,95 3-5 working days    Add to cart
  • Cooling water pump Cummins KT19, KTA19, QSK19 marine Bronze impeller

    Cooling water pump Cummins KT19, KTA19, QSK19 marine Bronze impeller

    €5.119,95 Same day shipping    Add to cart
  • Impellerpomp Mercedes OM616 OM617, F7B Peugeot XD4.90,Vetus P4.21 Deze koelwaterpomp is voor de meeste oudere modellen ideaal als vervanger

    Cooling water pump Mercedes OM616 OM617, Peugeot XD4.90, Vetus P4.21

    Sale! Original price was: €819,95.Current price is: €689,95. Next day shipping    Add to cart
  • Deze Impellerpomp Yanmar motor 6LP koelwaterpomp is doorontwikkeld en verbeterd en dus de vervangende pomp voor uw Yanmar motor.

    Impeller pump Yanmar 6LY2 Cooling water pump

    Sale! Original price was: €1.009,95.Current price is: €839,95. Same day shipping    Add to cart
  • Impellerpomp Yanmar 6L-6LY3 koelwaterpomp. Het hoogwaardig materiaalgebruik garandeert kwaliteit en een betere versies van het origineel

    Impeller pump Yanmar 6L, 6LY3, Cooling water pump

    Sale! Original price was: €819,95.Current price is: €689,95. Same day shipping    Add to cart
  • Deze Impellerpomp Volvo Penta D9A D11A koelwaterpomp voor de Volvo Penta marine motoren is ideaal voor het vervangen van je originele

    Impeller pump Volvo Penta D9A, D11A, Cooling water pump

    Sale! Original price was: €1.419,95.Current price is: €1.179,95. Same day shipping    Add to cart
  • Impellerpomp Volvo Penta D25 D30 koelwaterpomp Door ontwikkeld en verbetert, dus de ideale voor het vervangen van uw originele boot pomp

    Impeller pump Volvo Penta D25, D30 Cooling water pump

    €1.669,95 Out of stock    Read more
  • Impeller pump Northern Lights M944 Series Cooling water pump

    Impeller pump Northern Lights M944 Series Cooling water pump

    Sale! Original price was: €619,95.Current price is: €519,95. Same day shipping    Add to cart
  • Impeller pump John Deere 6125AFM75, 6125SFM75, 6135AFM75 Cooling water pump

    Impeller pump John Deere 6125AFM75, 6125SFM75, 6135AFM75 Cooling water pump

    €1.569,95 Out of stock    Read more
  • Impellerpomp 10-24321-01 Mitsubishi L en K van 's werelds toonaangevende fabrikant van pompen voor maritiem gebruik

    Impeller pump F4B-9 Mitsubishi K4C-75

    Sale! Original price was: €1.129,95.Current price is: €939,95. Next 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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