Economical flushing is today one of the strongest selling points from manufacturers on their toilet seats. But what is it really?
What is low flush?
Low flush is exactly what it sounds like: less water with each flush.
On most modern WC seats, you can choose whether you want to flush a lot or a little, normal 2 or 4 litres. This may sound very little. However, the WC seats of the past not infrequently used more than twice as much in each flush.
Less water places higher demands on maintenance and sewer design. Making sure that everything that goes down the drain actually is supposed to be there!
Why low flush?
There are various reasons why people choose to manufacture and buy low-flush WC seats. Above all, it is for energy savings. The concept aims to conserve water, which necessitates energy for purification, reducing the strain on treatment plants. By saving water, which demands energy for purification, you alleviate the burden on treatment plants, for example.
We also live in a time when the population in Sweden is increasing significantly. This rapid growth is largely attributed to high levels of immigration. The Swedish water and sewage networks are not built to handle the large increase in new people. One way to prevent bigger problems is to reduce the amount of mass that flows through our sewers and water pipes.
Who is driving the trend towards more frugal washing?
Above all, the EU creates certifications and rules for how products sold within the Union should look and function. In the case of toilet seats, there are also regulations on how much water each flush can contain. The companies then pay to have their products tested and, upon approval, receive a certification. This certification enables the toilet seat to be sold with an “environmental label” in e.g. a new build in Sweden.
When the construction company that will then build several new apartment buildings must choose which toilet seats they will use in the new homes, you can get special advantages if you choose certified products. For example, there are several different environmental labels that allow you to apply for beneficial grants. Above all, a lot of buyers or tenants require certain environmental labels, e.g. municipal and state organisations.
What happens in the sewers?
However, all energy saving, energy efficiency, and environmental labels are not always entirely good, as with everything else. In the best of worlds, we also have sewage systems that can handle a sewage flow with an ever-smaller amount of water in relation to what is to be flushed away.
However, this is not the case for everyone in Sweden. If you already have problems with blockages in drains, bad inclination, etc., I would recommend not choosing a low-flush toilet seat. It can cause a lot of problems where a proper “push” of water is needed to remove everything that needs to be removed.
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