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Installation and dismantling of the basin mixer tap

Installing or repairing a washbasin faucet doesn’t have to mean calling a plumber. In many cases, you can handle it yourself – as long as you know where to start and what to pay attention to. Check our tips – you might be able to do it on your own!

Key information at a glance

  • Always shut off the water supply before removing the faucet.
  • The most common cause of failure is a worn cartridge or seals.
  • For installation, you need basic tools (open-end wrench, adjustable wrench, Allen key).
  • After installation, be sure to check the entire system for leaks.


When and how to disassemble a washbasin faucet?

You disassemble a washbasin faucet when it starts malfunctioning or when you want to clean it thoroughly. This usually applies to issues such as dripping water, reduced pressure, or uneven handle operation.

Before starting disassembly, prepare your workspace and tools. This will help you avoid searching for parts during the process.

Before disassembling the faucet:

  • turn off the water supply,
  • secure the drain (e.g., with a plug or cloth),
  • prepare a bowl for any remaining water,
  • use protected tools (e.g., with rubber) to avoid scratching the fittings.

Disassembly usually involves removing the handle, unscrewing the cover, and accessing the cartridge. It is most often responsible for faucet issues.


How to replace the cartridge in a washbasin faucet?

Replacing the cartridge is necessary when the faucet leaks, is hard to turn, or cannot maintain the set temperature. This is one of the most common repairs that can be done independently.

The replacement process is simple but requires precision and proper part matching.

Replacement steps:

  • remove the cap from the handle,
  • unscrew the screw (usually with an Allen key),
  • remove the handle and cover,
  • unscrew the retaining nut,
  • remove the old cartridge and install a new one.

The new cartridge should be compatible with your faucet model. It is best to choose a part from the same manufacturer to avoid fitting issues.


Which valve and thread should you choose for a washbasin faucet?

The thread and valve must match your installation; otherwise, the connection will not be tight. In most cases, standard solutions are used, but it’s worth checking before purchasing.

Most common solutions:

  • 3/8 inch thread in connection hoses,
  • angle valves matched to the wall installation,
  • compatibility of all components (faucet, hoses, valves).

If the elements do not match, you may encounter installation issues or leaks. That’s why it’s best to select parts as a complete set.


How to install a washbasin faucet step by step?

Installing a faucet involves properly connecting it to the system and securely mounting it to the washbasin. The key is to follow the correct sequence and work accurately.

Before you begin, check the condition of the installation and make sure there are no leaks.

Installation process:

  • Screw the hoses into the faucet body.
  • Install the mounting screw and stabilizing elements.
  • Place the faucet in the washbasin opening.
  • From below, attach the seals and mounting elements.
  • Tighten everything and connect the hoses to the valves.

Finally, turn on the water and check for leaks. This is when any installation mistakes will become visible.


At what height should a washbasin faucet be installed?

The installation height depends on the type of washbasin and faucet, but there are proven ranges that ensure convenient and trouble-free use. The key is that the water stream should hit the center of the bowl without splashing.

In practice, the following values are used:

  • Deck-mounted faucet – the spout should be approx. 10–15 cm above the edge of the washbasin.
  • Wall-mounted faucet – installed approx. 20–25 cm above the upper edge of the washbasin.
  • Countertop washbasin – the spout at approx. 20–30 cm above the rim or a wall-mounted faucet at a height of 25–30 cm.

It is also worth paying attention to the spout reach – the water stream should hit more or less the center of the drain, not the edge of the basin.


What mistakes most often occur during faucet installation?

The most common mistakes result from rushing or lack of precision. Even minor errors can lead to leaks or faster wear of components.

Most common issues:

  • loose connections,
  • missing seals or incorrect placement,
  • over-tightening (thread damage),
  • incorrect hose selection,
  • no leak test after installation.

A properly done installation means no need for corrections for a long time.


Checklist: installation and disassembly without mistakes

  • Shut off the water supply before starting work.
  • Prepare tools and secure the drain.
  • Choose compatible components (thread, valves, hoses).
  • Install in the correct order.
  • After completion, check the system for leaks.

Check out washbasin faucets at Łazienka Rea and choose a solution tailored to your space.


FAQ

Does the length of the spout matter when installing a faucet?

Yes, it determines where the water stream lands – it should be matched to the depth of the washbasin.

Can you install a faucet yourself without experience?

Yes, with simple installations it is possible if you follow the correct order and work carefully.

Does the type of washbasin affect the choice of faucet?

Yes, different models work best with countertop basins, while others are suited for inset or furniture basins.