Show or Hide

What's New - Check out our latest featured products and more!


Anti-Scale Systems from Watts

Building owners, property managers and facility engineers now have a better environmentally friendly and virtually maintenance free solution to fight scale. OneFlow® prevents scale by transforming dissolved hardness minerals into harmless, inactive microscopic crystal particles. These particles make their way through plumbing systems without latching on to pipes, fixtures, valves or heating elements. Scientifically tested and certified for performance, OneFlow® provides scale control results backed by years of successful field applications. Make the intelligent choice in scale prevention, OneFlow® from Watts.


  • Eliminates scale prevention chemicals or salt
  • De-scaling chemical costs are slashed
  • Reduced labor costs and downtime
  • Increased operating efficiencies
  • Longer life for capital equipment
  • Known to reverse existing scale problems
  • Energy saving will provide immediate ROI


  • No salt or chemicals required
  • Economical and efficient
  • Upflow design for better flow rates
  • No backwashing and zero discharge
  • Virtually maintenance free
  • Consistent scale control performance
  • Wide-range of commercial applications
  • Uses environmentally friendly "green" technology
  • Long-lasting media needs no regeneration

OneFlow® Solutions

OneFlow® models are available in cartridge and tank style units for commercial applications on both cold and hot water lines. Available in sizes to 2 in. (15 to 50mm) and for flow rates between 0.5 to 450 gpm (1.9 to 1703 lpm). web site

Get Adobe Acrobat

Please Note: Watts literature requires Adobe Acrobat Reader to view.

Additional Information

Danger – Scalding Lurks!

Every year, thousands of people suffer serious thermal shock or scalding injuries in their bathtubs, sinks and showers.

Click here for informative resources to help you protect against these dangers.

Learn About

Thermostatic Mixing Valves

Every year thousands suffer injuries as a result of hot water scalding and thermal shock injuries. Thermostatic mixing valves protect against these dangers.

To learn more about thermostatic mixing valves and how they work, click here.