water heater

[justinf89]

I have a '92 weekender that I would like to add a water heater to. The thing is, Its kept on a trailer and I have no use for the electrical part of it. Is there such a thing as just a heat exchanger water heater that heats the water from the motor, I mean with no electrical part on it? I don't mind getting one with the electrical but I was looking for cheap. I could rig up a heat exchanger but I was looking for a product made for this purpose. Thanks a lot.

 

[Dasch Boat]

That is the way that most of them work, heated water from the engine is run through the water heater. water stays warm for about an hour after the engine is shut down.