Harvey Minimax Water Softener

The M3 Minimax water softener is the latest generation of Harvey softeners to use standard 4kg blocks of salt. Its advanced twin-cylinder technology is extremely efficient and means you will have softened water 24 hours a day,7 days a week.

It conveniently runs on block salt, which is easier to handle, store and load compared to tablet salt. It’s compact and fits under your kitchen sink. Unlike other softeners, the M3 Minimax does not require electricity.

  • Fits easily in the kitchen cupboard
  • Suitable for 3 bathrooms
  • Twin tank design guarantees 24/7 soft water
  • Low salt consumption
  • Made from recycled plastic
  • 10 years guarantee

The Minimax range is manufactured by Harvey Water Softeners, the number one manufacturer in Europe for the domestic market.

As Ireland’s only Harvey Water Softeners distributor, All Ireland Water Vision is expertly placed to give you the best advice for your home water softener needs.

NOTE: This Price for Water Softener does not include installation, for Installation please contact All Ireland Water Vision for a quote on 083 051 7997.


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Harvey MiniMax M3 Twin-cylinder non-electric block salt water softener. Complete with a 10-year warranty and free shipping! The later 4th generation Harvey softener. It boasts better efficiency, more refinement, a higher flow rate and a sleeker design than previous models.

These models are suitable for hardness areas between 50 and 600 PPM and will cater for 1-6 person households with ANY type of plumbing system including 15mm or 22mm incoming mains.

Here is the full water softener specification;

  • height: 490 mm
  • depth: 460 mm
  • width: 206 mm
  • inlet: 3/4″ bsp male
  • outlet: 3/4″ bsp male
  • overflow: 1/2″ hose connector
  • drain: 3/8″ outside diameter tubing
  • maximum operating water pressure: 6 bar
  • minimum operating water pressure: 1 bar (with water flowing)
  • maximum operating water temperature: 20°C
  • minimum operating water temperature: protect from freezing
  • salt storage: 2 x 4 kg blocks
  • maximum flow: 55 l/min
  • minimum flow : < 3 l/hour

Once purchased you will need to get your plumber to install it or if you are a confident DIYer then we can offer advice. We can also offer installation if you are local to us, just contact us for a quote.

The softener does NOT include a fitting kit, though we do sell these separately. The softener does not include any salt so you will need to buy some immediately.