Water Flow Switch, PDT R3/4 Liquid Water Oil Sensor Control Automatic Paddle Type Flow Switch 15A 250V IP54, HFS-20 Target Flow Controller, Controls Flow in Pipes auspowers_batchfive Function: One-way check valve to

Function: One-way check valve to prevent medium in the pipeline without backflow

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Water Flow Switch, PDT R3/4 Liquid Water Oil Sensor Control Automatic Paddle Type Flow Switch 15A 250V IP54, HFS-20 Target Flow Controller, Controls Flow in Pipes auspowers_batchfive Function: One-way check valve toWater Flow Switch, PDT R3 4 Liquid Water Oil Sensor Control Automatic Paddle Type Flow Switch 15A 250V IP54, HFS 20 Target Flow Controller, Controls Flow in Pipes Product Features [WIDELY]: This flow switch is an automatic element that controls flow in pipes, which can be used on water treatment system, central air conditioning, water cooled chiller and relative industries [SUITABLE]: Applicable fluid includes water, ethylene glycol,oil or other