HS40

For domestic plumbing systems upto Ø63mm

HS40

FOR DOMESTIC PLUMBING SYSTEMS UPTO Ø63mm

The HydroFLOW HS40 is designed for domestic systems with pipe sizes upto 63mm in outer diameter. It offers the same chemical-free limescale protection as the HS38, maintaining the efficiency and longevity of boilers and preventing an increasing energy usage.

The unit can also fit around a pipe of any material with no plumbing required.


  • Prevents hard limescale encrustation

  • Reduces existing limescale over time

  • Suitable for the average two to four-bedroom sized home

  • Fits on pipe size up to 63mm outside diameter

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