The Redi-Flo Variable Frequency Drive (VFD) has been uniquely designed to operate and protect the Redi-Flo2 Variable Performance Groundwater Sampling Pump. **All pump models MUST BE USED in conjunction with part number. Unlike most variable frequency drives, the Redi-Flo VFD is compatible with either 120v or 230v single-phase, AC input power. The operator can simply change the terminations of the power cord to accomodate the different voltages. The Redi-Flo2 variable performance pump combines state-of-the-art technology into a light, compact and yet powerful submersible pump for precise, accurate reproducible groundwater sampling. Designed for long-term reliability in dedicated monitoring wells, the Redi-Flo2 provides optimal sample quality with either traditional purging prior to sampling, or low draw-down passive sampling when operated with the new Redi-Flo VFD.
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