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Pro-Flo Electric Softener

CS100 HE

Product code — CS100HE

Our WRAS approved CS Cold Water Automatic Softeners meet the needs of even the most demanding kitchen layout, service or equipment. High efficiency, class-leading and next-gen water softeners for the ultimate protection from limescale. The range comes packed with advanced features including an integrated bypass, Opti-Brining, a self-protect programme, electronic digital programmer and free-flow valve technology.

  • WRAS approved – demonstrating quality and durability of the highest standard.
  • 2 year parts and 1 year labour warranty – for complete peace of mind.
  • Opti-brining with HE resin – only regenerates the resin (food grade) that has been used.
  • One-size footprint – CAD, specifier and space friendly design – all models with the same footprint.
  • Intelligent time control – volume override delivers peace of mind at busy times.
  • Free flow valve technology – flow rates up to 83 lpm.
  • Includes salt alarm
  • Superfast regen – incredible 19 minute top up regen cycle if ever required for continuous 24/7 service.
  • Digital display for easy control and programming.
  • Robust design for quick and easy installation.
  • Comes complete with hose air gap kit to protect the water softener and the water supply from backflow, full standard installation kit (includes 2 x 1.5m stainless braided hoses) and water hardness test kit.


  • Dishwashers; Undercounter, Hood, Rack-Conveyor, Flight. Glasswashers, Combi-Ovens, Hot Water Boilers, Laundry Washing Machines

Electrical Supply:

  • 220v 3 pin plug via inline transformer, or suitable for fused spur outlet

480 x 275 x 485 HxWxD (mm)

1,471 litres (at 300ppm)

Salt use per regeneration (kg): Tablet 0.9 – 1.4

Max Flow (lpm): 83

Water Pressure (bar): 1.5 – 5

Temperature (°C): 2 – 49

Connection: 3/4” male

Designed with the Earth in mind.

Every Monarch Water product has been carefully designed to minimise its environmental impact.

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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.