dutch101st
Well-Known Member
My HERMS project is slowly coming along and I am getting to the point to where I need to build the heat exchange coil. I am going to go with 1/2 inch copper tubing (everything else is 1/2 inch) but I am not sure as to how long it needs to be.
Is there an optimum length for the HERMS coil?
Is there an optimum length for the HERMS coil?