Five-port ganged valve isolates collector from primary load system pressure and drains collectors, allowing use of direct heating with all its advantages. Valve is opened and closed by same switch that controls pump or by temperature sensor set at O C, while providing direct dump option.
Direct-heating solar-collector dump valve
NASA Tech Briefs ; 2 , 4
01.03.1977
Sonstige
Keine Angabe
Englisch