TACO 008F PUMP IN GLYCOL SOLAR LOOP HAS 11.5 FT HEAD IN 3/8IN COPPER TUBING 60 FT HEAT EXCHANGER PLUS TWO PARALLEL 60 FT COLLECTORS.
THE TACO 008F CAST IRON FLANGE PUMP WAS INSTALLED TO LOWER THE TEMPERATURE OF THE SOLAR COLLECTOR TO HEAT EXCHANGER GLYCOL THERMO-SYPHON LOOP. AT PEAK OUTPUT IT LOWERED THE TEMP FROM 180 DEG F.TO 110 DEG F. THIS 64 SQ. FOOT COLLECTOR AREA SOLAR SYSTEM HEATS 80 GALLONS OF WATER 8 DEG.F. OVER THE 3HR MAX SUN PERIOD. THE TUBING IS TWO 60 FT. LONG 3/8 IN COPPER TUBING COLLECTORS IN PARALLEL AND A SINGLE 60 FT. 3/8 IN COPPER TUBING HEAT EXCHANGER COIL. A 5 PSI DIFFERENTIAL PRESSURE AT THE PUMP INLET AND OUTLET EQUATES TO 11.5 FT. H2O HEAD OR 7 GALLONS PER MINUTE FLOW. THE PUMP DID THE TRICK AS FAR AS I CAN SEE. I WASN'T SURE WHICH PUMP TO GET SO I CHOSE THE 008F MODEL BECAUSE OF IT'S HIGH HEAD CAPABILITY.
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