<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman,new york,times,serif;font-size:12pt"><div>Hello,<br><br>I am doing my simulation of solar assisted hot water system by using evacuated tubes (type71). Through the manual I come cross with evacuated tube solar collector with specified outlet temperature (type 538). Which one is better for my simulation? As I try to simulate using both of the tubes, the results are different. Thank you for your help.<br><br>kaydee<br></div>
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