Naked NKD-pH Controller

The perfect compliment to your Naked NKD-R Freshwater System is the new Naked NKD-pH Controller acid feeder.

What's in the box

  • Naked NKD-pH Controller
  • Injector T-Piece and Drum Weight
  • Clear PVC Flexible Tube (6m)
  • Installation and Start-up Guide

Installation intructions - click here

Dosing is based on pool size with no probes to clean or calibrate for simple management and reliability.

PLEASE NOTE: The Naked NKD-pH Controller will only work with Naked NKD-R Freshwater Systems sold after August 2021. For older systems, please Contact Us to discuss upgrading systems installed prior to this date.


  • Integrates with the Naked NKD-R and NKD-C Freshwater Systems
  • Plug and play
  • Probe Free - doses acid based on size of the swimming pool
  • Adjustable running and priming timers
  • High quality peristaltic pump motor
  • PVC rollers ensuring low wear and tear
  • Quality squeeze tube - Tygon® MF Norprene®
  • Superior chemical resistance
  • IP34 Rated
  • 12 months warranty


Part NumberNKD-pH
Volt Input (Vac)220-245
Amps Input - Max. (Aac)1
Total Power Consumption (W)13W Motor - 20W Total
Frequency (Hz)50
pH Controller Dimensions (mm)135W x 225H x 123D
Output Controlled by Sanitiser (LPH)0-1.0
Rated Pressure (kPa)350
Squeeze TubeTygon® Norprene® (Commercial spec)
Motor Speed (RPM)10
Non-Return Injector ValvePVC with viton sleeve
Tubing6m x 6mm Clear Flexible PVC Tube
Roller BlockHeavy-duty PVC
Power CordApproved piggy-back type
Water Connection40/50mm
Water Flow Rate (L/min)80-650
IP Rating34
Net Weight (kg)2.5