for anyone following, i definitely have a bad pump with the corsair h55. the pump is noisy, and i can heat it the copper block for 5 minutes with heat gun and see no temperature at all at the radiator. the copper on the pump is definitely hot to touch and i mimicked the orientation of the pump as it would have sat on the cpu while heated by cpu. the 3-pin pump connector is plugged into PWR FAN on motherboard and asrock atuning shows it at a fairly steady 1500 rpm. my thermocouple from multimeter plugged into radiator, meter never moves off 70°F. and yes the meter does work and is very sensitive, hold the thermocouple end with two fingers and temp goes to 90°F within 5 seconds. glad i checked it, now i'm happy about sending it back. http://s9.postimg.org/r7a4e5awv/badpump.jpg
