Closed Water Cooling System Boat

This cooling system kit cools the block manifolds.

Closed water cooling system boat.

This style sucks the salt water straight out of the ocean through a strainer filter and then cycles it through your engine block. Marine engines 4 less encourages our customers who use their boats in a brackish or salt water environment to strongly consider installing a freshwater cooling system on their engines. Half systems only cover the block full systems alos cover the manifolds but not the risers. The full closed cooling system is designed to circulate cooling water through the block and exhaust maniolds.

Most fresh water cooling systems are designed with raw water pumps that provide approximately 30 35 gallons per minute gpm of water flow. Sea doo closed loop vs. Utilizing a closed cooling freshwater cooling system on your engine reduces corrosion that salt water creates on the engine. Closed loop cooling system.

Mercruiser 357 2015 re manufactured 2015 engine. Sea doo manufactures personal watercraft pwc with the closed loop cooling system while the other two leading. As shown in the diagram below raw water is picked up through the drive pickup or through a hull mounted pickup if present it will pass through a sea strainer to clean debris out of the water. In the old days many marine engine cooling systems were of the raw water variety meaning simply that they relied on pumping whatever water the boat was floating in through the engine and pumping it out the exhaust system salt water polluted water algae infested water whatever was available.

It is basically an argument between sea doo fans on one hand and the owners of waverunner and jet ski watercrafts on the other side. Their fresh water cooling systems are built on the specified design requirement of each individual boat s engine package which is based on the model year and layout of the engine. This closed cooling full system system kit fits mercruiser 357 357 magnum engines from the years 2015 reman. They offer cooling systems for mercruiser volvo penta omc sterndrive and inboard engines that cover a wide range of different inboard and sterndrive boat models.

Therefore for a full fresh water cooling system including the engine heat load as well as the exhaust system the general temperature rise for the raw water will be approximately 50 degrees f. Our kits include everything needed to convert a raw water cooled engine to a long lasting treated water system which can be easily installed even when a boat is in the water. Closed loop cooling systems are available as half or full systems. There are a number of different ways the cooling system can be setup closed loop half or.

Water is then usually exited through the exhaust and out the back or below the boat.