I am in the process of building my own closed loop, glycol, hot water sytem to preheat water BEFORE it enters my current, tankless, boiler system. I am in great shape with regards to the system. The cold, well, water enters the boiler system from a copper tee connection, just above the boiler system. The cold potable water continues on this common pipe through the house.
I want to put the 50 gallon, hot water storage tank, roughly 10 feet from the boiler, as close to where the collector