Permanently Installed Controllers

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Permanently Installed Controllers H2O Rx supplies permanently installed controllers for chemical control and monitoring for the following:.

We follow a simple procedure:

We also supply the following controllers designed specifically for purpose:

H2O Rx does not represent a specific brand of controller. This allows us the flexibility to use our experience to select the best controller for your application.

Click here to email and describe your application or call on 0421 795 353.

Additional Resources

Description File Size

Get from your DVD or Intranet

(requires "offline" version of our website)

Get it from the Clouds

(requires internet connection)

pH Controllers      
Simple pH Controller Operation Manual 1 MB PPH-1 Manual PPH-1 Manual
Advanced pH Controller Operation Manual 2 MB DPH-64 Manual DPH-64 Manual
ORP Controllers      
Simple ORP Controller Operation Manual 1 MB PMV-1 Manual PMV-1 Manual
Combined pH and ORP      
Combined pH and ORP Operation Manual 2 MB DPH-4 Manual DPH-4 Manual
Conductivity Controllers      
Simple Conductivity Controller Operation Manual 800 KB BCH-1 Manual BCH-1 Manual
Advanced Conductivity and Temperature Controller Operation Manual 2 MB DCH-2 Manual DCH-2 Manual
Special Purpose Controllers      
Cooling Tower Controller Operation Manual 1 MB CTH-2 6T Manual CTH-2 6T Manual
CTH-2 6T Menu tree diagram 50 KB Cooling_New Cooling_New
Convert an old CTH-1 Controller to a CTH-2 6T 400 KB CTH-2_Panel CTH-2_Panel
Convert an old CTH-3 Controller to a CTH-2 6T 200 KB CTH-2CV CTH-2CV
Hand Held Meters      
SMH-2 - Operation Manual 600 KB SMH-2 Manual SMH-2 Manual
Series 1152 - Very Low Conductivity Meter - Operation Manual 600 KB 1152-OP 1152-OP
4-20 mA output option for CTH-2 Controllers 300 KB CTH2_420MA CTH2_420MA
High Temperature probe option for Conductivity Controllers 200 KB HIGHTEMP HIGHTEMP
A simple conductivity calibration and test plug 200 KB TESTPLUG TESTPLUG
Trouble shooting assistance where electrical current in un-earthed piping systems affects controllers 500 KB LOOP_PROBLEMS LOOP_PROBLEMS

To request a DVD, click here.

H2O Rx
PO Box 748
Lane Cove NSW 1595


+61 409 784 236
+61 2 9436 0491
97 217 924 685


Last Updated: 21 November, 2017