Re: Heat exchanger
or gut an old PC that has water cooling and use that as a radiator/heat exchanger, that way is almost guarantied not to leak .
personally I would use a bigger tank and slow the motor down, and fit a pressure bypass.
my 4200 is running at half the speed it came with, twice as long run time and no heat issues, leaks have almost become non-existent.
cheers andy
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