| http://www.w3.org/ns/prov#value | - The collector's life expectancy is 35 to 40 years, but the system itself is very much a traditional solar-thermal system that has a 5,000 gallon heat storage tank in the back and a pumping station especially designed for it with pumps and monitors that are internet accessible, so from anywhere in the world we can log into the monitoring system and see how it is doing that day.Bindea added:
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