Question 1 is whether your engine is raw water cooled or fresh water cooled. Raw water cooling means water from outside the boat is clumped through the engine block for cooling, then mixed with the exhaust to cool that, then expelled back into the lake. If your engine is raw water cooled, the thermostat is probably 160-165 degrees so it may be too hot for your project, and diverting cooling water away from the exhaust may cause the hoses to melt.
If your engine is fresh water cooled, there is antifreeze in the engine, which is probably routed to the heating coil on your hot water heater and then to a heat exchanger (which is sort of like a water-to-water version of the radiator in your car) where it is cooled by contact with water drawn in from outside the boat. After taking the heat from the engine coolant the outside water is mixed with exhaust gasses to cool them and then expelled overboard. The raw water out of the heat exchanger is probably 110-120 degrees, but you would not want to overheat the exhaust. Your best bet would be to purchase a cockpit shower kit with a mixing valve and then plumb it to draw cool water from your water tank and hot water from the water heater. Your problem the would be how much fresh water your tanks can hold and how long a shower you intend to take. Rick Brass Sent from my iPad > On Jul 21, 2014, at 10:14, George Cone via CnC-List <cnc-list@cnc-list.com> > wrote: > > I wanted to run a thought by the list to see if my thoughts to install a > small handheld shower in the back of the cockpit for rinse of and showering > at the area of the wheel are feasible. My positive reasons for this is extra > room and ease of draining and overall cleaning. I am considering connecting > to the input hot water line before it enters the water heater coming from the > engine. The boat is on fresh water , hence I would have unlimited volume of > water available, I assume the water would be pure and clean even though it > has gone through the engine cooling (heating) system, I also assume the > temperature of the water to only be in the 110 degree level at best, and > there is a recirculating pump (that normally recirculates the water from the > engine through the heat exchanger) that can power the water to the shower > wand. So where is my thinking flawed? > > Thanks, > George Cone > C&C 40 > Vermont > _______________________________________________ > This List is provided by the C&C Photo Album > > Email address: > CnC-List@cnc-list.com > To change your list preferences, including unsubscribing -- go bottom of page > at: > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com >
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