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Water Softeners



  • Eliminates limescale build-up in pipes
  • Extends lifespan of electrical appliances
  • Kinder to skin and hair
  • Spot-free glassware and dishes
  • Reduces soap usage

Aswasoft Systems

Molloy Precast will test the hardness of your water in our laboratory in order to determine its hardness. The hardness is programmed into your water softener ensuring your water is treated efficently. Our water softeners are metered meaning it will only regenerate when it needs to, minimising salt and water usage.

  • Capacity 20 litres
  • Extra salt capacity
  • Suitable for pump house / garage
  • Capacity 10 litres
  • All in one unit
  • Suitable for confined spaces
  • Capacity 20 litres
  • All in one unit
  • Suitable for kitchen / utility room


How it works

Hard water is water with a high mineral content. Water becomes hard when it fl ows through mineral rich rock such as limestone. Minerals which dissolve into the water include calcium and magnesium. Water hardness increases with the concentrations of these minerals. When heated these minerals settle out and solidify. Hard water will create scale build-up in pipes, on the heat elements of appliances and in boilers. This can increase the cost of domestic water heating by about 15-20%. Hard water also prevents soap from lathering. Soft water is kinder to hair and skin, fabrics are softer, last longer and whites stay white.

Water softeners replace calcium and manganise ions in hard water with sodium ions. Sodium wont settle out or effect soap lathering, eliminating the effects of hard water. This is achieved by running hard water through a tank of resin (zeolite). The resin is covered in a layer of sodium ions. As the water fl ows through the resin, the sodium ions are exchanged with calcium and magnesiumions. This process continues until all the sodium ions are depleted. At this point water softening has stopped and sodium ion regeneration is required. The salt resevoir contains a very strong brine (salt water solution). This brine is fl ushed through the resin tank where its sodium ions displace calcium and magnesium ions built up on the resin, creating a new layer of sodium ions, this is known as regeneration. The waste solution of calcium, magnesium and excess sodium is discharged through a drain pipe.