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Teco RA 680


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Anyway which model are u using the old RA680 or the lastest model?

i got two, one is the lastest model of RA680 .. and another one which is not chilling is the old version one.... maybe the old version one need slower flow rate... <_<

nw running my tank with the lastest version one.. will take the old RA860 from my store room and test run agin with a slower rate pump and control valve... but what the distance from ur chiller feed pump to the chiller and then to the tank?

mine is far away lol.. if i jsut a 1500 pump it will not work..it will be like baby peeping.. :lol:

anyway thanks.

you have to mod the fan in the old teco RA680...

old teco blow air out from the front..

have to mod it to like new newer teco RA680 which blow hot air out through the back for more effective cooling..

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