Just when you thought you didn’t have room for a wonderful water softener, along comes MolliDuo, the bonny baby of the MolliVita range.

After you’ve purchased your MolliDuo water softener, an affordable monthly payment of just £9.99 covers the cost of any repair or replacement softener. If your MolliDuo should break down or need repairing, we’ll replace it – free of charge. It’s the best and only way to enjoy a discounted water softener for a whole lifetime!

Soft water on tap for all your daily requirements – washing, cleaning, bathing and heating!

MolliDuo benefits

  • Modern, minimalist, robust design
  • Ideal for households of up to 3 people, including apartments
  • Delivers superbly softened water on demand – 24/7
  • Stackable cabinet design makes it ideal when storage space is at a premium
  • Separate brine tanks provide plenty of extra installation options

MolliDuo features

  • The softener has additional functions such as salt refill notice, vacation mode and service alarm.
  • Raw water by-pass ensuring full water use during regeneration cycles
  • Water mixer to adjust water hardness
  • Anti-flood protection
  • Vacation mode to delay regeneration when soft water consumption is reduced 
  • Salt refill and service alarms

MolliDuo specifications

  • Normal flow [m³/h] – 0.5-1.0 
  • Amount of water softened between regenerations m³ – 2.1-8.2
  • Average water consumption per regeneration ltrs – <100 – <130
  • Average salt consumption for regeneration [kg] – 1 – 4.2 
  • Inlet/Outlet connection (inch) – 3/4”
  • Resin tank size (inch) – 8×15 – 10×15
  • Resin volume (ltrs) – 7 – 28
  • Softener cabinet dimensions (mm) – 258x230x515 up to 281x280x1036.5
  • Softener brine tank dimensions (mm) – 258x230x390 up to 281x281x910


When you receive your MolliVita Water Softener, it will include an installation kit with all the plumbing equipment you’ll need to fit the product.

Please let us know whether you will require a 15mm or 22mm kit.

To order and book your water softener installation contact MolliVita Water Softeners on 01243 252360 or email

And lastly, you can sign up for the £9.99 monthly MolliVita lifetime warranty here.