Keywords: Batch solar thermal collector.gif en Schematic of a batch_solar_thermal collector This is a large version of a batch heater allowing the heating of allot of water before it is transferred to the storage tank Alternatively due to its size this thermal collector may also inmediatelly store all of the water itself for very small groups of people or for 1 person This picture provided as public domain here by the US Dept of Energy http //www eere energy gov/de/images/illust_solar_hotwater_batch gif KVDP 2009-09-07 PD-USGov Solar hot water panels |