... SERIAL solar system is combined with solar collector, pressurized storage tank, intelligent controller, solar station, expansion vessel, pipeline etc. 1. Collector: JXSPC-SERIAL ... , JXSC-SERIAL, or U pipe collectors 2. Tank: pressurized tank, ... you conversion factor of LUCKY JXSPC-30 solar collector is 0.6808! And JXSPC-10 for: 0.73209! ...