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These softeners cost less than £10 a year to run on electricity compared to £117 for a washing machine, £104 for a tumble dryer, £153 for a full-size dishwasher and £155 for a free-standing fridge freezer.

(source for non-softener appliances:, October 2022)

Ultimate Dual Power Softener

Premio HE

Product code — PSP022HE

High Efficiency Twin Tank Duplex Series Dual Power Softener suitable for 2 – 20 people.

  • WRAS approved – demonstrating quality and durability of the highest standard
  • Leading 7 year parts and 2 year labour warranty – for complete peace of mind
  • Can be powered by a single 9V long life battery (6LR61) or via a plug-in transformer
  • Opti-brining with HE resin – only regenerates the resin (food grade) that has been used
  • Sof’n’polish system – double the contact time for ultra soft water
  • Includes Rapid-Fit bypass which reduces the components needed for installation by up to 80%
  • Digital display for easy control and programming
  • Built in customer protect programme (CPP) that
    • detects leaks in your plumbing system
    • delays regeneration until 2am 
    • learns your water usage patterns to regenerate accordingly and make substantial savings on salt and water use
    • automatically adjusts to BST and GMT time changes
  • High flow rates with low pressure drops
  • Free flow valve technology – flow rates up to 61 lpm.
  • Robust design for quick and easy installation.
  • Digital display for easy control and programming.
  • Complete with full standard installation kit and water hardness test kit

788 x 269 x 489 HxWxD (mm)

If using Ultraflow hoses for 28mm applications please allow an extra 10mm to width.

3,040 litres (at 300ppm)

Salt use per regeneration (kg): Tablet 1.68 – 2.4

Water Pressure (bar): 1.5 – 5

Max Op. Temp (°C): 49

Max Flow Rate (lpm): 61

Connection: 3/4” mbsp (1″ mbsp available)

Additional Information

Product video

The Benefits of Soft Water

Installation guide

Which water softener is best for you?

Our handy online tool will help you to decide. It takes just seconds.

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Which water softener is best for you?

Our handy online tool will help you to decide. It takes just seconds.

Enter your postcode below to check your water hardness. It is important to know if you have hard or soft water.


Re-Introducing — 
the Midi HE Softener

The Midi HE is the UK’s best-selling softener in the merchant channel and the number 1 choice for UK installers. The WRAS-approved Midi HE is high efficiency and provides the ultimate protection against limescale.

Monarch Champions — 
People you can trust

We’re so confident our products will meet your needs that we’ve assembled a group of existing customers – our ‘champions’. Our advocates will directly answer any questions you may have, from installation to living with a Monarch Water product.

Ecologi —
Climate action at your fingertips

Simple and impactful ways to collectively reverse climate change.

The Eczema

Monarch is the perfect partner for The Eczema Academy, offering a multitude of sustainable, WRAS-approved water treatment products that can help alleviate skin conditions, such as, eczema. Carolyn Akinyemi, founder of the academy said: “We are extremely happy to be working alongside Monarch – a reputable and innovative company that offers a number of softening and filtration solutions, which are key components in the effective protocols for the relief of Eczema”.

Together, Monarch and The Eczema Academy aim to educate people on how they can help relieve and control their Eczema. Ian Flack, Monarch’s head of sales said: “We are proud to be supporting Carolyn and The Eczema Academy. We are looking forward to working closely with her going forward to help convey the benefits that soft water can bring to those affected by eczema”.

If you would like to find out more about The Eczema Academy, visit or email

Keep up-to-date with all the latest from The Eczema Academy by subscribing to their YouTube channel here.