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Watts OneFlow 8 x 35 inch Scale Net Whole House Scale Control System


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ScaleNet® is an environmentally friendly alternative to water softening or any other treatment device designed to address limescale for the entire house. ScaleNet® prevents scale by transforming dissolved hardness minerals into harmless, inactive microscopic crystal particles. These crystals stay suspended in the water and have a greatly reduced ability to react negatively and form scale compared to untreated hard water. Physical Water Treatment devices for Scale Prevention and achieved an efficiency rating of 99.6% for scale prevention ScaleNet® media has been tested and certified for material safety to NSF/ANSI Standard 42 and 61 Limitations to use - 428 ppm hardness, no Fe, Mn or HS, <3ppm Cl (if in doubt please ask as it is possible to either treat the problem or re-size the unit as necessary) Install systems in new facilities with copper pipework after one month of water use ScaleNet® systems will leave white deposits on shower curtains etc, but are easily wiped away We are also able to offer commercial models with higher flow rates, but would need to price these on an individual basis.


The problem - Calcium creates scale in pipes,on appliances and other plumbing surfaces. This leads to higher heating and energy costs and expensive repairs to appliances,such as ice machines, coffee makers,dishwashers and cooling towers in commercial buildings. Scale can also be a source for bacteria to grow, which can be a health concernin drinking water applications. Calcium, on the other hand, is important to human health, and supplementsare recommended if Calcium is reduced or totally void in one's diet.


The solution - WATTS®Anti-Scale systems transform Calcium ions into Calcium crystals, which are stable and cannot attach to pipes, surfaces, hardware or heat exchanger components. The crystals are so small they are easily rinsed away by the water flow.



  • Scale is virtually eliminated!
  • Aids in removing existing scale.
  • No costly repairs toappliances due to scale.
  • No salt
  • No brine tank.
  • No backwash.
  • Saves water!
  • No electricity.
  • Easy installation.


Installation & Maintenance: we offer our own installation and maintenance service via our national network of approved plumbers. The service is offered subject to availability (dependent on how remote your location is).


We offer free next day UK Delivery for orders before 1PM and are £45 and over. You will receive a tracking ID from us when your goods are dispatched allowing you to track your package in real-time.

For or full delivery information including international shipping, please click here to view full delivery information.

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Any warranty or guarantee applied to goods sold at the behest of a third party shall be the responsibility of the said third party absolutely and any correspondence entered into must initially be carried out between the purchaser and the Company.

Goods sold as manufactured by or being the service of the Company shall be subject to such warranties and guarantees as may be stated by the Company and correspondence should be entered into with the Company in writing exclusively.

No warranty or guarantee shall be applied or implied other than at the time of purchase.

In any event all goods or services purchased here in shall be subject to an unconditional warranty for a period of 30 days, said warranty not to exceed the value of the purchase.


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