EMEC WDPHRHS Series Dosing Pump

EMEC WDPHRHS Series Dosing Pump has been created by EMEC to provide a complete and small-sized solution for swimming pool water treatment. WDPHRHS systems are all-in-one, compact instruments which integrate two dosing pumps and a control instrument into a single, easy to use, highly precise system.

WDPHRHS systems can measure pH and another parameter that depends on the chosen model: chlorine, bromine, Redox, antialgae, flocculant, active oxygen. A wide range of products for the highest flexibility.

WDPHRHS PER: Reliable and Noiseless

WDPHRHS proportional dosing systems in the versions with peristaltic dosing pumps (WDPHRHS PER) are the best solution to be installed where silent operation and high reliability are required, like in spa and wellness facilities.

The integrated peristaltic pumps are indeed the most suitable for micro-dosing needs with lower pressure, ensuring at the same time an absolutely constant and accurate flow rate. Moreover, peristaltic pumps promise to have low power consumption thanks to low voltage.

Complete Control, Even Remotely

A clear reading of data and an easy browsing through function menus are made simple by a wide backlit LCD display and by the “ENCODER” control knob, in order to quickly program the working modes you need, to set alarms and to manage outputs.

You can also remotely control WDPHRHS systems from any smartphone or PC with EMEC exclusive online system ERMES, so to keep the status of your plant always under control whereever you are.


Proportional controller with 1 dosing pump driven by internal built-in pH and ORP meter. Output: (SCHUKO plug) for sterilisers or CI/Br feeders. Liquid ends and pump head made of PVDF.

Also available with peristaltic pumps (WDPHRHS PER)

Measurement range:
From 0 to 14 pH
From 0 to 1000 mV


  • Model : WDPHRHS
  • Pressure = Flow
    – 5 bar = 1 l/h
    – 3 bar = 10 l/h
    – 1 bar = 3 l/h
  • EV Output : 230 VAC
  • Max Load : 10 A

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