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Water softener, how it works

Water softener, how it works


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Water softener, how it works and when to install it. Useful information on installation and purchase costs, maintenance and operation of the water softener.

In thewater,the bicarbonates of calcium and magnesium (soluble substances) are in equilibrium with the carbonates of calcium, magnesium and carbon dioxide. When the temperature rises, this equilibrium tends to become unbalanced (because carbon dioxide is released) and a chemical reaction occurs that leads to the formation of substances that are not very soluble in water. These substances manifest themselves with theencrustationsnotes with the name oflimestone.

Thewater softenersare devices that prevent the formation of substances insoluble in water, thus avoiding the formation of limestone and correcting, if necessary, thewater hardness

Water softener, how it works

L'softener can be described as a simple container (filled with resins) through which the calcareous water to be softened passes.

Based on the resins used, there are different softeners that differ from each other in the method of operation (as well as in size and therefore in capacity: "how much water can you soften? ").

Thesoftenersthe most common include an opening through which salt is inserted directly on the resins. When the water passes, the salt dissolves slowly, eliminating calcium and magnesium. To ensure a certain balance, sodium is added instead of these mineral salts.

The water softener is able to prevent the formation of limescale because it is responsible for the exchange between sodium ions and calcium ions. This exchange takes place at the level of the resins.

The principles of operation mentioned, as well as the methods of regeneration of the resins, have gradually evolved. Today, on the market, there are low maintenance water softeners that see the regeneration of the resins to be performed even after 10 years.

Is the water softened with a softener drinkable?

The softener is not a water purifier or a filter, so the water maintains the drinking characteristics it had before entering the container.

Water softeners are specific ion exchangers, designed to remove positively charged ions; softeners mainly remove calcium (Ca2 +) and magnesium (Mg2 +) ions, responsible for the formation of limestone. They do nothing else, so they do not change the potability of the water.

In most cases, softened water is perfectly safe to drink so it is drinkable. Adjustment is recommended so as not to contain more than 300mg / L of sodium.

Water softener, how much does it cost

The price of a water softener is bound to pay for itself. How? Hard water, rich in limestone, tends to weigh on the family's economic budget because it causes increased energy expenditure, faults in pipes and electrical appliances that use water.

Washing machines, dishwashers, water heaters, dryers but also irons and radiators are the classic victims of limescale. Who has already found areplace the resistance of the water heater,washing machine or dishwasher, knows how much damage limescale deposits can do. A resistance covered with limestone requires a lot of energy to heat the water.

How much does a water softener cost?

We at Our website have carried out a market survey to tell you that a plumber can ask you from 1000 to 1500 euros for the purchase and installation of a water softener.

However, you can reduce the cost by more than 50% if you aim for DIY or you decide to buy the water softener yourself and pay a plumber for the labor alone.

Among the cheapest models on the market and with the best value for money we point out the W2B800 model ofWater2buy. On Amazon, this water softener is offered at a price of 549 euros. The same model, in plumbing and heating stores can be found at a price of no less than 800 euros.

Fittings, power supplies and valves are supplied with the softener to facilitate installation. Ideally, the softener should be mounted between the meter and the internal water load.

N.b: the softener is able to guarantee water filtration for up to 10 people (it can produce 3,680 liters of fresh water per day) and has a salt tank with a capacity of about 39 kilograms. The resins have a guaranteed life of at least 10 years, although a lot depends on the washing and the use made. Allows the possibility of custom adjustments.

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