How to increase the pressure of the toilet flush

If your toilet flushing is slow, you may need a small DIY procedure or a professional intervention.

It may happen that, after installation or after years of service, the flushing of a toilet starts to drain slower than normal. A “lazy” drain may not be able, under water pressure, to thoroughly clean the toilet walls, leaving unpleasant residues. In this article we have collected some tricks to verify and increase the pressure of the toilet drain, before resorting to a phone call to the plumber.

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Can you Increase the pressure of the toilet flush?

Increasing the pressure of the toilet drain on your own, without consulting a plumber, is not impossible. Before you get to grips with the system, however, you need to get an idea of how it works and assess what the causes of the slowdown may be. The water flow may be obstructed at one or more points. That’s why we should always check:

  • The inside of the flush cistern. Simply lift the lid on the top of the cistern – in case it is not a wall-mounted toilet – and inspect the inside. In the case of wall-mounted WCs, a professional may be required.
  • The inner edge of the toilet, from which the water comes out. The problem, in fact, could be a simple limestone obstruction that can be solved with household cleaning products.

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How do I clean the Toilet flushing box?

To access the toilet flushing cistern, it is necessary to lift the lid, i.e. the upper part of the cistern, where the flushing button or activation handle is usually connected. When lighting with a torch, let’s make sure that the water level inside is sufficient. In this box you should also find a rubber cap that is operated by a metal chain.

The metal chain in question should be long enough to allow the cap to cover the toilet access hole with ease, and at the same time short enough to rise quickly when we operate the drain. The slow discharge, therefore, could be due to the malfunction of this chain. We advise you to make a few attempts by activating the drain to find out if the problem is there.

If the problem is not due to the chain, however, it could be due to the overflow. This tube is always inside the box and is positioned vertically near another tube. Slow discharge may therefore be due to clogged pipes. To clean the overflow, just apply a little dishwashing liquid inside and let it work for a few minutes.

If the process is not sufficient to unravel the drain, it may be necessary to use muriatic acid. In this case, the laying time should be at least 24 hours, in which the service should be kept away from children and animals. If you are not sure how to proceed with a dangerous substance such as muriatic acid, it will not be a disgrace to contact a professional, to avoid damage to structures or people.

If the edges of the toilet are obstructed by limescale and do not spread the water evenly, you can use sponges and clothes hangers to probe the situation and, if necessary, clear it.

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