The 12 tube evacuated solar collector is an all-glass evacuated tubular collector with metal U tubes. You can mount series of collector collector panels installed in serial or parallel, and the module can be mounted on roof, facade and balcony. 
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By far the most efficient solar collectors, they can achieve very high temperatures of up to 170 oC. This kit set comes with a pump, solar controller, two sensors and one 12 tube evacuated tube collector. 
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Pump is pre-wired and including 2 free brass unions (20mm-15mm). Other brand same size pump RRP is about $350~450. *Hot-water circulating to Air-conditioning *Offering water circulating to solar water heaters *Boosting to offer water to water he 
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A Solar Controller that control through two sensors, one in the upper evacuated tube solar panel and the other in the hot water cylinder. 
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