Cooling system

  • Large radiator cap 0.5bar pressure relief cap large (71mm cap)

    Large radiator cap 0.5bar pressure relief cap large (71mm cap)

    Sale! Original price was: €25,95.Current price is: €20,95. Same day shipping    Add to cart
  • Sanitary hose water hose 25mm butyl white, odor-proof, 10 year warranty

    Sanitary hose water hose 25mm butyl white, odor-proof, 10 year warranty

    Sale! Original price was: €34,95.Current price is: €28,95. Same day shipping    Add to cart
  • Volvo Penta 2003 Cooling water Rubber sealing set (14x)

    Volvo Penta 2003 Cooling water Rubber sealing set (14x)

    Sale! Original price was: €45,95.Current price is: €37,95. Same day shipping    Add to cart
  • Thermostaat rubber 416033 Volvo Penta 2001, 2002, 2003

    Thermostat rubber 416033 Volvo Penta 2001, 2002, 2003

    Sale! Original price was: €5,95.Current price is: €4,95. Same day shipping    Add to cart
  • Elbow 90 degrees 2x female thread 3/4

    Elbow 90 degrees 2x female thread 3/4

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  • Volvo kit 290 Duo Prop in zinc with hardware

    Volvo kit 290 Duo Prop in zinc with hardware

    Sale! Original price was: €39,95.Current price is: €32,95. Same day shipping    Add to cart
  • UNIVERSAL pencil anode Ø14 L.45 complete plug th.1/2'' GAS Zinc + Brass

    UNIVERSAL pencil anode Ø14 L.45 complete plug th.1/2” GAS Zinc + Brass

    Sale! Original price was: €23,95.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: €11,95.Current price is: €9,95. Same day shipping    Add to cart
  • Varifold prop nut VF70 2 blades saildrive, Zinc

    Varifold prop nut VF70 2 blades saildrive, Zinc

    Sale! Original price was: €24,95.Current price is: €20,95. Same day shipping    Add to cart
  • Shaft collar Ø 40mm Magnesium

    Shaft collar Ø 40mm Magnesium

    Sale! Original price was: €16,95.Current price is: €13,95. Same day shipping    Add to cart
  • Shaft collar Ø 35mm Magnesium

    Shaft collar Ø 35mm Magnesium

    Sale! Original price was: €9,95.Current price is: €7,95. Same day shipping    Add to cart
  • Shaft anode Light type Ø 25,4mm - 1' Zinc

    Shaft anode Light type Ø 25,4mm – 1′ Zinc

    Sale! Original price was: €11,95.Current price is: €9,95. Same day shipping    Add to cart
  • Steel Washer for shaft 22-25

    Steel Washer for shaft 22-25

    Sale! Original price was: €1,39.Current price is: €1,19. Same day shipping    Add to cart
  • Slim type Shaft collar anode Ø 35mm, Zinc

    Slim type Shaft collar anode Ø 35mm, Zinc

    Sale! Original price was: €11,95.Current price is: €9,95. Same day shipping    Add to cart
  • Impeller pump Kubota-NanniDiesel-Betamarine ST129

    Impeller pump Kubota-NanniDiesel-Betamarine ST129

    Sale! Original price was: €319,95.Current price is: €269,95. Same day shipping    Add to cart
  • Stainless steel Ourlet Through-hull ø 101mm, straight

    Stainless steel Ourlet Through-hull ø 101mm, straight

    Sale! Original price was: €86,95.Current price is: €72,95. Same day shipping    Add to cart
  • 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. Same day shipping    Add to cart
  • CR Brass hose tail (male) 1" x 27mm

    CR Brass hose tail (male) 1″ x 27mm

    Sale! Original price was: €14,95.Current price is: €12,95. Same day shipping    Add to cart
  • CR Brass hose tail (male) 1" x 20mm

    CR Brass hose tail (male) 1″ x 20mm

    Sale! Original price was: €12,95.Current price is: €10,95. Same day shipping    Add to cart
  • CR Brass Through-hull outlet, inclined 1

    CR Brass Through-hull outlet, inclined 1

    Sale! Original price was: €31,95.Current price is: €25,95. Same day shipping    Add to cart
  • CR Brass Hose tail (male) 1"1/2 x 45mm

    CR Brass Hose tail (male) 1″1/2 x 45mm

    Sale! Original price was: €26,95.Current price is: €21,95. Same day shipping    Add to cart
  • ZF Collar anode for Saildrive, Magnesium

    ZF Collar anode for Saildrive, Magnesium

    Sale! Original price was: €26,95.Current price is: €21,95. Same day shipping    Add to cart
  • Shaft anode USA type Ø 30mm Aluminium

    Shaft anode USA type Ø 30mm Aluminium

    Sale! Original price was: €16,95.Current price is: €13,95. 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>