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What is the Purpose of a P-Trap on a Sink ?

p-trap prevents gases

How do P-Traps work?

What is the purpose of a P-Trap on a sink? The P-Trap is an ingenious device that traps a small amount of water inside of itself. This water forms a barrier between your home and the nauseating and sometimes even toxic gases emitting from the sewer line.

It stops drains smells from coming back up the drain and into your house from the open waste. If you have a sewer gas smell getting in your house the first place you want to check are your P-Traps.

What happens in areas of your house that doesn’t get used very often is the water in the P-Trap will evaporate and start allowing gases to come back into your house.If this happens to you just go in the bathroom that doesn’t get used very often and flush the toilet or run some water in the sink or tub and this will normally remedy the problem.

If this happens to you just go in the bathroom that doesn’t get used very often and flush the toilet or run some water in the sink or tub and this will normally remedy the problem right away.

P-Traps also will trap any debris that has drained from your sink and will stop it from clogging up your plumbing pipes.

This is often the cause of slow draining sinks in bathrooms because hair and other debris are caught in the P-Trap. You may even be able to recover lost jewellery caught in your P-Trap like many homeowners have luckily done before.

The P-Trap connects from an appliance in your house to the drain. They come in various shapes and sizes the most common being the P-Trap named so because it’s shaped like the letter P.

They come in two main sizes for domestic use, 1 1/2 or 2 inches. You’ll find P-Traps connected to a kitchen sink, bathroom, shower, toilet and washing machine.

P-Traps are made either of steel or PVC pipes. Most exposed P-Traps are steel because they are more aesthetically pleasing to the eye.

Conclusion

Thank God for P-Traps because without this little invention smelly sewer gases that would be coming back into your home and would be simply unbearable not to mention the toxicity of the sewer waste.

So enjoy your P-Trap and make sure to clean out the trap if you’re sink is draining slowly. Also, periodically run water in bathrooms that are used less frequently to keep the gases out.

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