Solar Plumbing

Many types of solar hot water systems are possible. I personally like the serpentine, closed loop system, with a multi-tank, non pressurized heat storage vault and double barrier heat exchange. Full screen multi media shows about: the batch heater, the trickle down, the drain down, the closed loop and the drain back system are available from my Multi Media Page  

Since the drain back system is popular and easy to install I made a partial screen web based show available for FREE that illustrates the nature of this hydronic system. View & here the show by clicking the Drain Back graphic below. You'll need to allow  a pop up and a web connection, but it is painless. I promise.

 FULL SCREEN Media CD-ROM Shows on Solar Thermal Energy