Cooling system

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  • Volvo Penta outdrive bar for engine series 250-270-275-280-285 Aluminium

    Volvo Penta outdrive bar for engine series 250-270-275-280-285 Aluminium

    Sale! Original price was: €22,95.Current price is: €19,95. Same day shipping    Add to cart
  • CR Brass Elbow 45º female/male 3/8"

    CR Brass Elbow 45º female/male 3/8″

    Sale! Original price was: €8,95.Current price is: €7,95. Same day shipping    Add to cart
  • CR Brass Through-hull outlet 1" with hose tail 30mm

    CR Brass Through-hull outlet 1″ with hose tail 30mm

    Sale! Original price was: €33,95.Current price is: €27,95. Same day shipping    Add to cart
  • Hose clamp 13-20 mm

    Hose clamp 13-20 mm

    Sale! Original price was: €2,29.Current price is: €1,89. Same day shipping    Add to cart
  • Rubber sleeve Heat exchanger Bowman 3716 51/32

    Rubber sleeve Heat exchanger Bowman 3716 51/32

    Sale! Original price was: €71,95.Current price is: €59,95. Same day shipping    Add to cart
  • Coolant hose 90° Curved hose 30 mm x 200 mm (1 3/16'')

    Coolant hose 90° Curved hose 30 mm x 200 mm (1 3/16”)

    €17,95 Same day shipping    Add to cart
  • Impeller pump Volvo Penta, TAMD61, TAMD71, MD100, TAMD102, MD120, TMD100, Cooling water pump.

    Impeller pump Volvo Penta, TAMD61, TAMD71, MD100, TAMD102, MD120, TMD100, Cooling water pump.

    Sale! Original price was: €1.099,95.Current price is: €919,95. Same day shipping    Add to cart
  • Impeller pump Volvo Penta D4 series Cooling water pump

    Impeller pump Volvo Penta D4 series Cooling water pump

    Sale! Original price was: €699,95.Current price is: €579,95. Same day shipping    Add to cart
  • Impeller pump Perkins Perama M20 Cooling water pump

    Impeller pump Perkins Perama M20 Cooling water pump

    €409,95 Same day shipping    Add to cart
  • Impeller pump John Deere 4039, 4045, 6068 Cooling water pump

    Impeller pump John Deere 4039, 4045, 6068 Cooling water pump

    Sale! Original price was: €559,95.Current price is: €469,95. Same day shipping    Add to cart
  • Impeller pump Vetus Deutz DTA64 DTA66 DTA67 STM8921 10-24630-03

    Impeller pump Vetus Deutz DTA64 DTA66 DTA67 STM8921 10-24630-03

    Sale! Original price was: €479,95.Current price is: €399,95. Same day shipping    Add to cart
  • Impellerpomp F5b Beta Marine, Nanni motoren, Als koelwaterpomp voor de Beta Marine, Nanni Marine motoren is dit ideale vervanger voor uw pomp.

    Impeller pump F5b Beta Marine, Nanni engines 4.150HE, N4.38, 4.38.4.195HE, N4.40, 4.190HE, 4.200HE, N4.43 10-24334-01

    Sale! Original price was: €429,95.Current price is: €359,95. Out of stock    Read more
  • Martec closed circuit cooling system Volvo MD6, MD7, Heat exchanger converting kit

    Martec closed circuit cooling system Volvo MD6, MD7, Heat exchanger converting kit

    Sale! Original price was: €1.089,95.Current price is: €895,95. 3-5 working days    Add to cart
  • Bilge pump 12V 45L/min including float switch

    Bilge pump 12V 45L/min including float switch

    Sale! Original price was: €35,95.Current price is: €29,95. Out of stock    Read more
  • Aerator valve 19 mm - Anti-Siphon Valve SFVL-01

    Aerator valve 19 mm – Anti-Siphon Valve SFVL-01

    Sale! Original price was: €19,95.Current price is: €16,95. Same day shipping    Add to cart
  • Volvo Penta Heat Exchanger Seals Rubber 840741, 2001, 2002, 2003

    Volvo Penta Heat Exchanger Seals Rubber 840741, 2001, 2002, 2003

    Sale! Original price was: €30,95.Current price is: €25,95. Same day shipping    Add to cart
  • Flexible cooling water hose (hot / warm water) 8x16mm

    Flexible cooling water hose (hot / warm water) 8x16mm

    Sale! Original price was: €8,95.Current price is: €7,95. Same day shipping    Add to cart
  • Lip seal 5/8x1.1/8x1/4 impeller pump

    Lip seal 5/8×1.1/8×1/4 impeller pump

    Sale! Original price was: €9,95.Current price is: €8,95. Next day shipping    Add to cart
  • O-ring STM7060 Vetus for M3.10 M4.14

    O-ring STM7060 Vetus for M3.10 M4.14

    Sale! Original price was: €0,36.Current price is: €0,30. Same day shipping    Add to cart
  • Stainless steel exhaust spring bellows 5" with welding ends (139,70 mm)

    Stainless steel exhaust spring bellows 5″ with welding ends (139,70 mm)

    Sale! Original price was: €219,95.Current price is: €179,95. Same day shipping    Add to cart
  • Stainless steel exhaust spring bellows 6" with welding ends (168.30 mm)

    Stainless steel exhaust spring bellows 6″ with welding ends (168.30 mm)

    Sale! Original price was: €279,95.Current price is: €229,95. Same day shipping    Add to cart
  • Volvo Penta expansion plug for cylinder head - 477024

    Freezer cup 34.00mm freezer cap

    Sale! Original price was: €4,95.Current price is: €3,95. Same day shipping    Add to cart
  • Volvo Penta expansion plug for cylinder head - 477024

    Freezer cup 16.00mm freeze cap

    Sale! Original price was: €3,99.Current price is: €3,29. Next day shipping    Add to cart
  • Impeller pump Nanni 4,220 HE, 5,280 HE, 6,280 HE ST274

    Impeller pump Nanni 4,220 HE, 5,280 HE, 6,280 HE ST274

    Sale! Original price was: €699,95.Current price is: €589,95. 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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