05.11.2026 · General

Installing a reverse osmosis system at home: pure water for drinking and cooking in Valencia

Water that tastes of chlorine and leaves limescale? Learn how a reverse osmosis system works, how it is installed in the kitchen and what maintenance it needs.

Tap water in Valencia is safe to drink, but it is usually very hard and, in many areas, tastes of chlorine, which you notice when you drink it or make coffee and tea. A reverse osmosis system in the kitchen is the most practical way to get much better quality water for drinking and cooking, right at home and without carrying bottles.

How does reverse osmosis work?

The water goes through several filtration stages. First, sediment is retained, then chlorine and other compounds that affect taste and smell. Finally, a semi-permeable membrane separates most of the dissolved salts, including a large part of the limescale. The result is light water with a clean, neutral taste, stored in a small tank until you need it.

Benefits in daily life

  • Better taste in water, coffee, tea and food.
  • Less limescale on pans, coffee machines and kettles.
  • Water available 24 hours a day, with no need to buy or carry plastic bottles.
  • A low monthly cost compared with bottled water.

What the kitchen installation involves

The system is usually fitted under the sink, so it takes up no useful space. The usual steps are:

  1. It is connected to the cold water supply in the kitchen.
  2. A separate tap is installed on the worktop for the treated water.
  3. The system drain is connected and the tank is fitted.
  4. The system is flushed and checked for leaks and pressure loss.

With a professional installation, the job is usually done in a few hours and requires no building work.

Maintenance: what you should know

For the system to work well, the filters need to be changed at the interval the manufacturer recommends, normally once a year, and the membrane checked every few years. Regular maintenance guarantees water quality and extends the life of the system.

Osmosis and water softener: they complement each other

If you live in Valencia, the ideal solution is to combine both systems. The water softener protects the pipes, taps and appliances throughout the home. Reverse osmosis takes care of the water you drink and cook with. Each system solves a different problem.

Want to know which system suits your kitchen? Contact us and we will advise you with no obligation.

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