Solar Make Money The typical household uses 10,000 to 15,000 BTUs of hot water per person per day. A 20 vacuum tube solar collector can produce 30,000 BTUs on a summer ... more>>
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FAQ
Can Bole solar collectors be u
2011/1/4 9:44:17  Hit:7962
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Can Bole solar collectors be used in a drain back configuration?
Yes. The end port version of the Bole solar collector is well suited to drain back use. The question is often asked if the solar collector will be damaged when the pump turns off and the system stagnates in good sun - no it won?, as the collectors is designed to withstand stagnation. What must be considered though is the insulation used on the piping close to the collectors, as this must be able to withstand stagnation temperatures.
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