HS40: Fits Pipes up to 2.5" Outer Diameter. Designed to protect commercial kitchens, pools and spas from the destructive effects of scale and biofilm. Also recommended for large size homes.

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Your Price: $1,754.95
Retail Price:$1,954.95
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Part Number: hfu1003

The award-winning HS40 water conditioner provides a chemical-free solution for the harmful effects of scale, corrosion, bacteria, and algae in both residential and small commercial applications. In addition, the HS40 increases filtration efficiency via flocculation. This powerful and durable water conditioner provides a fully encapsulated printed circuit board and power supply connection sealed with an ‘O’ ring. The HS40 fits pipes up to 63mm (2.5”) outer diameter.

The HS40 device was awarded the prestigious 2015 Kitchen Innovations Award by the National Restaurant Association. This award recognizes and celebrates cutting-edge equipment and technology that specifically improves the “back of the house” operations and benefits foodservice operators.

Click to view HS40 User Guide

Popular Applications

  • Large homes.
  • Residential wells.
  • Restaurant kitchens.
  • Water features.
  • Residential and commercial pools and spas.
  • Residential and commercial water heaters. 

Main Benefits

  • Dissolves and removes existing scale.
  • Prevents new scale accumulation.
  • Deactivates bacteria and algae.
  • Prevents and removes biofoul.
  • Boosts filtration efficiency.
  • Significantly reduces corrosion.


Financial and Environmental Benefits

  • Reduces energy consumption.
  • Increases the efficiency of water heating equipment and machinery.
  • Eliminates or decreases chemical usage.
  • Decreases the need for chemical safety precautions, storage and disposal.
  • Reduces maintenance costs.
  • Average one year payback period.


Additional Benefits

  • Non-intrusive and easy to install - no plumbing modifications required.
  • Propagates the Hydropath signal along the entire water system.
  • Provides 24-hour protection.
  • It does not interfere with other electrical systems.



  • Signal monitor light
  • PSU: Input 120V AC 60Hz
  • Unit: Input 12V AC/DC
  • Max power: 1.2 W
  • Weight approx.: 300 grams
  • Dimensions: H 152 x W 118 x D 45mm
  • Maximum pipe diameter 63mm OD
  • Lead length 3m 

The installation of this device does not replace periodic equipment preventative maintenance procedures. Such as purging your water heater.

HydroFLOW residential devices are designed for ease of installation. With this said, it may be necessary to have your unit installed professionally, depending on the configuration of your plumbing system.