How to Install an Under-Sink Water Filter

Updated on:
October 23, 2023

It’s the end of the week, your days off are finally here, and there’s no better way to kick off the weekend than installing an under-sink water filter, right? I mean, who doesn’t love a good DIY install at the crack of dawn on a Saturday morning? 

Look, we both know you would instead be getting ready to hit the golf course this weekend, so that’s why we’ve come up with this no-fail walkthrough for installing an under sink water filter so you can get the job done quickly and get back to enjoying your time off!

Crack The Connection

To get started, we are going to something so dull that I had to create a thrilling name to make it more compelling. We are going to Crack the Connection! 

That’s right; we will turn off the cold water under the sink (it’s usually the knob to the right). Then turn on the faucet tap to release any cold water remaining water in the pipe. 

After that, you’ll head back under the sink and ensure you won’t have any spills by placing a bucket under the pipes. Trust me; you don’t want to forget this step! You won’t have enough towels to clean up the mess!

Finally, take that mighty wrench of yours, Neptune, and crack that water connection! Your first step is complete!

Attach The Adapter

You know that fancy water treatment installation kit you picked up to help you complete this job? Guess what? We need that! Head over to the box and fumble around with that until you resort to opening it with a blade of some kind; usually, scissors are the most satisfactory choice for this impenetrable packaging. Stab away, friend! 

Now that you have the kit open (Congrats!), attach the adapter that comes with the installation kit to the hose.

See that black tubing that comes with the kit? Yeah, that one! Push that into the adaptor on one end and the filter on the other. The kit should tell which end is which; take a look at that if you can’t figure it out!

Now grab that second adapter and attach it to the water shut-off valve. Take some more black tubing, this time the stuff that came with the filter, and push it into the filter. Be gentle! You wouldn’t want to be forced into a filter like that, would you?

Once you have that in, go ahead and crank that water back on and run the water in seven-minute increments or however long the instructions instruct you to so you can activate the carbon and begin to filter your water fully. You’re now drinking crystal clear, filtered H20!

Wait a minute. Was that it?

Heck yeah, that’s it. We’re hooking up an under-sink water filter here, not building an electric vehicle! If you were paying attention, we covered turning off the water to attach the filter without a mess. We touched on how to connect the adaptor and hoses to the filter and the sink, and finally, we figured out how to activate the filter itself. 

The only thing left is to pour yourself a cold glass of water, pat yourself on the back, and climb right back into bed! 

It is the weekend after all!

Interested in water filters? Explore their importance in securing a reliable water supply through these additional sources.

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