HOW DOES A SINK POP-UP MECHANISM WORK?

HOW DOES A SINK POP-UP MECHANISM WORK?

Maybe you’ve noticed that your sink isn’t draining as well lately. You wash your hands, and you come back a half hour later and the soapy water is sitting in the basin. Or maybe you have the opposite problem – you’re trying to fill the basin of your sink with water. Maybe you’re trying to wash your face, or your hair.


Whatever you want to do with that full bathroom sink, man. We don’t judge! 

But when you pull up on that rod on the back of your faucet, the basin won’t plug. In both situations, you call your plumber, or your mom, or your good friend Google (actually, you probably sit down and type in Google, but oh well.), and they all say the same thing:

“It’s probably your sink drain pop-up mechanism!”

If your face turned into a blank stare at those words, don’t worry, you’re not alone. One of the Frequently Asked Questions on a popular sink supply website is “What is a pop-up assembly?” Luckily, if that’s your question, you’ve come to the right place. Here at Landmark Home Warranty we know a lot about pop-up assemblies, so we are going to explain what it is, and how it works. Ready to learn about a pop-up mechanism?

This is a pop-up mechanism:



The rod on the back of your faucet that you were pulling earlier to plug the sink is a part of the pop-up assembly.

SO HOW DOES A POP-UP MECHANISM WORK?


It’s actually a fairly simple design. When the lift rod is pulled upwards, it pulls the pivot rod up as well. This pivot rod is attached to the stopper, which is pulled down, effectively sealing the sink.



In this graphic, you can see that the pivot rod is connected to the stopper by going through a small circle on the bottom of the stopper. This allows the pivot rod to pull the stopper down. The pivot rod is connected to the lift rod by the clevis screw and clevis strap. It is also held together by the spring clip, which the pivot rod goes through. The sides of the spring clip go on either side of the clevis strap. When the lift rod is pulled up, the clevis strap is pulled up as well, which pulls the pivot rod as well. This pulls the small circle on the stopper down, as well as the stopper itself. The seal that you can see in the graphic makes it so the water running down the pipe does not leak out into your bathroom. 

As you can see, the way the pop-up mechanism is designed can trap a lot of gunk, which results in a slow draining sink. Sometimes the pivot rod can get rusted and slip out of the stopper, which obviously makes the whole pop-up mechanism not work.  If the pivot rod is not connected to the stopper, then the basin will not be plugged, and water will keep draining out of the sink. 



If your sink isn’t draining properly, cleaning your pop-up mechanism is the first step. If your sink won’t plug with the pop-up mechanism, you will have to replace it with a new one. Luckily both of these problems can be fixed simply and with the same steps! 

If you have a Landmark Home Warranty, you might have noticed that pop-up mechanisms aren’t covered with your home warranty. “Unfair!” you might cry, “You’re supposed to cover my home systems and appliances!”

And we do! When your dishwasher goes out, all you have to do is call us, pay a $60 service call fee, and for that price, you get your $500 dishwasher replaced or repaired. However, home warranties always give you a flat rate fee you have to pay to cover parts, labor, or replacement. At Landmark Home Warranty, that fee is $60.  A pop-up mechanism can be purchased for anything between $4 - $11 at most stores. Not only that, it is a cinch to replace – it takes less than 10 minutes. Landmark Home Warranty isn’t going to make you spend $60 on something that doesn’t cost anything near that amount. That would be ridiculous.

That’s why tomorrow, we are going to show you how to fix your pop-up assembly.  We’ve created this post, so you can learn how to replace, or maintain your pop up mechanism on your sink. Stay tuned!

If you are interested in purchasing a home warranty that covers large appliances and your home systems, you can compare our home warranty plans, or learn more about Landmark Home Warranty by looking up home warranty reviews
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