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Dualflo Water Softener

Dualflo Water Softener

The Dualflo Water Softener makes it easier than ever to have soft water in your home as it is extremely compact, economical and reliable.
Suitable for homes mains or with traditional water storage tanks - i.e. gravity-fed plumbing systems. This is a non-electric system. Read More

Please see below for more information or contact us

£1,182.00 inc VAT

£985.00 ex VAT
In stock

All prices include VAT where applicable

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  • Description
  • Technicals
  • Downloads
  • Installation
  • Q & A
  • How it does the job
  • Delivery and Returns

The Dualflo Water Softener is extremely compact, economical and reliable.

Suitable for homes with either mains or traditional water storage tanks - i.e. gravity-fed plumbing systems.
It can take both types of salt.

A water softener removes excess minerals from your hard water supply with a special ionising process that uses pure salt water. No chemical additives are involved. With one simple, hassle-free installation you can enjoy a 23/7 constant stream of naturally softened water due to the double resin filters.

You'll save so much by having a modern water softener. From bars of soap to plumber's bills... the savings start from day one, and go on and on and on. You can recoup the initial outlay after around 4 years. All this is on top of the aesthetic benefits such as sparkly glasses and softer skin.

For more guidance, Glossary of Terms, Inspiration & Advice and other information, please browse our website or feel free to Contact Us



3/4" male paralel


3/4" male paralel


1/2 hose connector

3/8" outside diameter tubing


Operating Conditions

Max. Operating Water Pressure 8 bar
Min. Operating Water Pressure 1 bar (with water pressure)
Max. Operating Temperature 20°C
Min. Operating Temperature Protect from freezing



Height     490mm
Width 460mm
Depth 212mm


Dualflo Brochure (Dualflo_Brochure.pdf, 349 Kb) [Download]

Our products and solutions are no different from any other appliance buy or home/ office improvement you make.

To help makes things easier for you, we've given a guideline on the approximate skill-level and time involved in the installation of this product:

DIY: if very handy 3/4 of a day

Professional:plumber 3/4 of a day

Please note: some of you might think you're handier than you are! This is a guideline only, intended only to help you understand how simple installation is and whom you could ask to do it for you. If you were unsure, we would recommend getting the professionals in!

All your questions should be answered here.  Even more information may be found on our factsheet and glossary pages.  

If you need further advice, then please get in touch.

1. Will a Water Softener make my water safe to drink?
2. I see ads for "No Salt" needed water conditioners. How do they work without using salt?
3. How often do I need to add salt to the Brine Tank?
4. How much salt should my softener use? can’t you find this in metric?  
5. What kind of salt do you recommend using and do your softeners also use Potassium Chloride in place of salt?


1. Will a Water Softener make my water safe to drink?

No. Your water must be safe to drink before you condition the water with a softener. If you are concerned about the safety of your drinking water, contact your local health department about getting a bacteria test, or full lab analysis on your water- or contact us and we arrange it for you.
Why does soft water feel slimy or slick in the shower?

The minerals that make water hard usually contain calcium and magnesium. Calcium and magnesium in water interfere with the cleaning action of soap and detergent. They do this by combining with soap or detergent and forming a scum that does not dissolve in water. Because these minerals react with soap and detergent, they remove the soap and detergent, thereby reducing the effectiveness of these cleaning agents. You can overcome this by adding more soap or detergent. However, the scum that is formed can adhere to what is being washed, making it appear dingy. An automatic water softener connected to water supply pipes removes magnesium and calcium from water and replaces them with a trace amount of sodium. Sodium does not react with soap or detergents. This will reduce the amount of soap you would need to use, and insures it will not remain in or on the item being washed, whether the item is tile, glassware, clothes, skin or hair.

2. I see ads for "No Salt" needed water conditioners. How do they work without using salt?

Many dealers will advertise a no salt water conditioner. Any brand of water conditioner can be operated without using salt. This is done by using a salt substitute, potassium chloride. It generally more expensive compared to regular salt (sodium chloride), and can be difficult to find in some areas. Also, it is generally recommended you increase the salt setting on your control valve by about 10%, when using a salt substitute.

Some companies offer a variety of devices to soften your water that do not use salt, or anything else to regenerate their product. Buyers beware! If a cost effective and reliable technology had been developed that could replace a resin based water conditioner, then everyone would be selling it.

3. How often do I need to add salt to the Brine Tank?

It depends on how often your system needs to regenerate. The more your softener regenerates the more salt you will consume. As for the salt level in the brine tank, you can let the salt get down to the point inside the tank where you can see the water just above the salt. When you see water above the salt, it is time to add more! Generally, you will add salt to your brine tank about every 8 weeks- check is correct with Dwight/ on our own website.

4. How much salt should my softener use? can’t you find this in metric?  

An average softener with 1 cu. ft. of resins (10 " x 44 " tank) should use about 6-8 lbs. per regeneration to achieve an economical 24,000 grain capacity (hardness in grains divided into grains of capacity results in the gallons of water that can be treated before resins is exhausted).

The national average is 60 lbs. per month, but that can vary depending upon the quantity and the quality of water being treated.

5. What kind of salt do you recommend using and do your softeners also use Potassium Chloride in place of salt?

We recommend buying salt for your water softener that is very clean; around the 99.5% salt content and up. All softeners can use Potassium Chloride in place of salt. Potassium Chloride tends to melt when it gets wet, sometimes forming a "bridge" inside the salt tank, so we recommend filling the Brine tank only halfway or a bit more when using Potassium Chloride, so you can easily monitor it going down inside the tank after the unit regenerates. CLikc here to buy salt from us

Here are just some of the ways it does the job:


  • Saves on washing machine and dishwasher chemicals;
  • immediate savings on heating energy from de-scaled pipes;
  • Cuts down on repair, replacement and maintenance of pipes and appliances.

Better Consumption:

  • You need less detergent for the same affect;
  • Puts the sparkle back into baths, sinks, showers, crockery and glassware;
  • No more blocked shower heads, scum rings in the bath or furred kettles.

Feel good:

  • Stylish and practical design;
  • Gives rich lather from very little soap, and crystal clear water for rinsing;
  • Acts as a natural conditioner on fibres as well as your own hair and skin.


  • Once installed, all that’s required is occasionally checking that there is enough salt just to line the bottom of the tank.


  • Non-electric so little to go wrong;
  • only 17 litres of water during regeneration;
  • A heavy duty blow moulded plastic cabinet and an injection moulded cover thats resistant to corrosion, makes the 'Dualflo' a dependable unit.


Here is a guide to delivery and returns.  We are constantly looking to minimise delivery costs so some products may vary.  All available delivery options will be shown in the basket and correct delivery will be calculated before you check out.  You will only be charged one delivery cost.   

Not all options available for all products.

To calculate accurate delivery cost to any address, please click ‘Estimate delivery cost’ above.  

International deliveries: Please call us for more information on international deliveries

Collection from ItDoesTheJob.com HQ available for some products. 

We think you’ll be more than happy with your purchase.  If you’re not, simply return to us within 30 days.  

Read more about Delivery and Returns