SALES: 01449 723 656

Select Page




From our technical experts

Avady DUO pH Rx 3L/H


  • Automatic regulation of Chlorine and pH levels
  • For Private Pools up to 150m³
  • Complete Kit Included
  • Quick and Easy Installation
SKU: AVA-450-0325 Categories: ,



Avady DUO pH Rx 3L/H


Automatic water treatment solutions can accurately and consistently apply your choice of water treatment to your swimming pool, which eliminates the guesswork and routine of adding chemicals.

Simultaneously regulates pH and Chlorine levels (mV). Suitable for public and private pools.


● DUO pH Rx simultaneously regulates pH* and chlorine** levels
● It simultaneously displays the redox value (in mV (chlorine)) and the pH value
● The sensor is protected against induced electric currents in the water
● Volumetric alarm preventing the chemical container running dry
● Jack input connectors for detection of empty pH and chlorine containers
● Adjustable dosage for regulation in small and large volumes
● Intended for private and public pools (1 to 2 people / 10m³ / day)
● Intended for private pools :
▪ with integrated pumps from 1.5-1.5L/h up to 90m³
▪ with integrated pumps from 1.5-3L/h up to 150m³
● Suitable for an attendance of 1 to 2 people / 10m³ / day
● Delivered with a complete kit for quick and easy installation
● Warranty: Device: two years, Sensor: one year

*Incompatible with hydrochloric acid
**To ensure correct redox measurement, make sure that the stabiliser content in the pool does not exceed 15 ppm (15 mg/l)



Free delivery to UK Mainland. For delivery charges to all other areas please call or email giving your postcode.

How to treat green water

Find out all you need to know about algae and green water, how to treat it and how to cure it.

Returns Policy

Your rights to return goods are protected under the EU Distance Selling Directive.

You are entitled to cancel your order and return the goods within 7 working days for a full refund not including the cost of delivery. Do this by contacting us by email or telephone and quoting the order number supplied to you. Your refund will be paid within 30 days. You are responsible for the cost and risk of loss or damage when returning the goods, so you should take out enough postal insurance to cover their value. This cancellation policy does not affect your rights when we are at fault - for example, if goods are faulty or incorrectly-described.

Exclusions: Bespoke items (made to measure items) are not included and cannot be returned. If a bespoke item is faulty then the product warranty /guarantee will take effect.

Any goods returned should be in saleable condition.

These terms apply to your order. We may change our terms and conditions at any time, so please do not assume that the same terms will apply in the future.

None of these terms affect your legal rights and these are not diminished in any way. If any term is held to be invalid under any applicable statute or rule of law, that term is automatically omitted from the terms to minimum extent necessary to comply with the law and without affecting the validity or enforceability of the remainder.

You may also like…