w.o.w.! I wish I could see it in person. so many questions..
What's the propane tank for? Does the water tank use some sort of agitator to move the liquid through the cold coils? You say that you run a second coil through the tank which runs to your cooling system-- does this mean that you don't just use the cold solution in the tank to pump through the system?
The tank you see was refrigerant to fill the system
Im not doing the extra coil anymore... im directly circulation the bath at -5C