Have you ever noticed a small hole underneath your sink faucet? We’re not talking about the siphon that evacuates the water into the pipes! Yes, if you have never paid attention to it, you now know that your sink has two holes… Indeed, manufacturers do not have fun double-drilling your sink for the sake of aesthetics but rather for reasons of security. If this hole is confusing you, you will find good answers in this article. Explanations!
Why does a sink have two holes?
The two holes in the sink
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The two holes in the sink. Source: spm
We bet that you all know the role of the sink in the rooms of your home, moreover, it is only by calling the plumber that you realize the importance of this ceramic sanitary ware in your kitchen or bathroom. Equipped with a drain pipe, this valuable installation makes our daily life easier as well as the majority of household tasks. So, we use the sink for washing food, doing dishes, washing our hands, and a bunch of other uses that rely on water.
That said, to avoid flooding the house, the manufacturers thought of integrating a super interesting option: adding a second hole in the wall of the sink! It was not for fun that they thought of it, but rather for a major security reason. Thus, we find the first hole called the siphon which is directly linked to the water evacuation channels, then a second called the hole of the overflow drain system or overflow orifice which helps counteract flow problems of water. Curious to know how this magic works in your sink? The answer comes straight away!
What is the second hole in the sink for?
Have you ever turned on your tap and gone about other things but forgot to turn it off? Several people will raise their hands… If we ignore your water bill which is taking a hit, know that it is the second hole in your sink which saves you from a flood which could reach the neighbors. The disaster, can you imagine? Hats off and many thanks to this small opening to compensate for this pitiful situation!
Indeed, when your sink reaches its full capacity because the drain pipes are blocked or the water flow is too strong to be drained by the main sewer, it is the second hole that comes to the rescue. this blocking with a very intelligent device. Each time a certain water level is exceeded, this outlet hole functions as a good emergency exit: it causes excess water to flow away, preventing any overflow into your basin. Moreover, it is called “overflow” because it occurs when the water is at full capacity. These plumbers are very intelligent, can you confirm?
However, you should not rely on this second hole to drain dirt or vegetable peelings as long as it is not the drainage hole designed for this mission like its friend the siphon. Conclusion: if the water reaches its maximum reservoir, the overflow hole still opens a possible route for it, which is why you should never opt for a basin that is only aesthetic and not at all functional! To the wise…
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