Darkhorse, first prize is yours.
Yes, I run it with an inline pump. Water goes from pump > radiator > block > tank. The holes you see are threaded for 3/8 barbs, 1/4" NPT.
The tank is quite a bit more effective than I thought it would be, especially with a 118 watt peltier. The entire tank gets cooled because it is copper and a great deal of surface area is exposed to the water. According to my calculations, the water in the tank is replaced about every 20 seconds so the water has a bit of time to chill before moving on. I am going to have to insulate the tank, on very humid days it gets a small amount of condensation.
Using thermistor, getting about a 7-10F difference in water temp. coming in and going out.
I made 6 of these tanks so if anyone is interested in one, email me at j.sticca@snet.net.
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