OneFlow, the better alternative to a water softener

Coffee without compromise

Keep the minerals, lose the salt

Is mineral scale ruining your plumbing?

Prevention is simple, and salt-free

Environmentally Friendly Solution

Support water reuse with less salt down the drain

No salt, chemicals, or backwashing required

How Does it Work?
OneFlow® is the environmentally-friendly way to prevent scale buildup. Through media-assisted crystallization (MAC), dissolved calcium, magnesium and bicarbonate ions are attracted to the surface of the media where they become supersaturated and converted into harmless  microscopic crystals. Once formed, these crystals then move away from the media and flow freely through the plumbing system, unable to form hard scale on internal plumbing surfaces.
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OneFlow maintains...

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water heaters

Without scale buildup on the heat exchanger, your water heater can efficiently transfer energy to the water, keeping energy bills in check.
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bathroom fixtures

Make scrubbing and polishing a thing of the past. Soap and shampoo residue rinses off quickly and more easily than with untreated water.
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coffee makers

Unlike salt-based water softeners, OneFlow treats water without affecting its taste. Enjoy your coffee just like usual.
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washing machines and dishwashers

Preventing scale buildup improves appliance lifespan without impacting the effectiveness of detergents.
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Smart & Connected Water Quality Monitoring



Get alerts via text or email when it's time to replace your media
Monitor displays days remaining, percent media life consumed, and total water usage volume
Available on select OneFlow residential and commercial systems

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Why Choose OneFlow?

  • No salt or additional chemicals required
  • No backwashing required and zero discharge
  • Consistent scale control performance
  • Compact and simple installation
  • Safe for pipes and appliances
  • Minimal maintenance
  • Conserved water quality
  • Get alerts when it's time to replace your media (select systems)

Residential Systems

Scale prevention for your water heater or the whole home.



View all Residential Systems

Commercial Systems

Point-of-entry and point-of-use systems for use in commercial and institutional facilities.


View all Commercial Systems
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What to Expect

  • Improves operating efficiencies of all water using appliances
  • Extends life of capital equipment
  • Retains important mineral such as calcium and magnesium
  • Virtually maintenance free, no salt or chemicals to constantly add
  • Reverses existing scale problems on internal plumbing systems

OneFlow Resources

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Case Studies

Find out how OneFlow solved mineral scale issues for these commercial installations.
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FAQ

Where OneFlow works well, where it should not be used, water quality requirements, and more are covered.
Read the FAQ
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OneFlow Online Training

Watts Works offers OneFlow courses that work with your limited schedule, available when and where it's convenient for you. Wholesalers, contractors, and engineers are invited to participate in our Learn & Earn program which provides tokens after successfully completing e-learning courses. Tokens can then be redeemed for lifestyle merchandise.

View Watts Works OneFlow Training

Tip the Scale & Grow Your Business


Add OneFlow Systems to Your Portfolio Today