I wrote:
> I suggest a simple method would be to tape a thermocouple to the tube, > turn on the water, turn it off for a while, and turn it on again. Use the > min-max feature to record the temperature range in each phase. You will not > see any difference. > Coil up the tube and put it in a well-insulated plastic bag or bubble wrap. I would run each phase for about an hour. - Jed
