How to Connect Reverse Osmosis to Your Refrigerator?

Reverse Osmosis is a water purifier system that uses reverse osmosis to filter water. Reverse osmosis is an environmentally friendly and cost-effective way to purify water. You can connect reverse osmosis to your refrigerator in a few simple steps.

To connect reverse osmosis to your refrigerator, you need to buy a RO filter and connect it with the water line of your refrigerator. The water line is usually located on the back side of the refrigerator. You can easily find it if you follow the hose from the water filter.

The first step is to check whether your refrigerator has a connection for an RO system. If not, you need to buy an adapter that will allow you to connect an RO system with your refrigerator’s water line. This adapter is available in any hardware store (or get a connection kit online) and comes at a very affordable price. It is easy to install too! All you have to do is screw it on the end of your existing water line and then screw on the RO system filter to the adapter.

Then, you need to connect the RO water line with the adapter. The RO water line usually has a small check valve and a T-connector. You need to connect this T-connector with the adapter’s connector and then tighten it.

You can now connect your refrigerator to your RO system by connecting its water line with the RO system’s water line. The two lines have different connectors, so you may need an extra adapter for this purpose.

You can easily buy an RO refrigerator connection kit online. Here are some of our favorite kits:

Can You Hook Up Reverse Osmosis to Fridge?

Yes, you can. There are some important things that you have to keep in mind while doing so. First of all, you need to make sure that your refrigerator has a connection for an RO system or else you have to buy an adapter. You also need to buy an extra adapter if your refrigerator’s water line has a different connector than the one on the RO system’s water line.

You will also need to make sure that your refrigerator’s water filter is functioning properly before hooking up the RO system. If you want to use only bottled water, then there is no need to change anything because the RO system will produce pure water from tap water. However, if you want to use tap water, then you have to change the filter.

If you have a refrigerator with a separate ice maker, then you will have to remove it from the refrigerator and place it on the countertop, or in some other location. This is because the RO system has to be directly connected to your refrigerator’s water line.

Does Reverse Osmosis Need a Drain?

Yes, it does. Usually, the drain is part of the RO system and not a separate unit. However, there are some RO systems that don’t have a drain and you have to buy one separately. Also, you need to make sure that your refrigerator has a drain or else you have to buy an adapter for it as well.

Do You Need a Fridge Filter if You Have Reverse Osmosis?

No, you don’t need a filter for your reverse osmosis system because it provides you with pure water. However, if you want to use the RO system for other purposes, then it is advisable to use a filter. You can also use a filter in order to increase the lifespan of the RO system and make sure that it produces pure water for many years.

What Type of Pipe Is Used for Reverse Osmosis Water?

If you want to install your reverse osmosis water system, then you will have to use a pipe that is made of Polyethylene tubing. This is because polyethylene is resistant to corrosion, it is flexible, and it can be easily installed.

Connect RO Reverse Osmosis system to Refrigerator.


Installing an RO system in your refrigerator is really not that complicated. You will just need to follow the instructions and you should be fine. It might take a few hours for the first filtration cycle to be complete. It depends on how much water was in your refrigerator’s water tank initially. However, after this initial filtration cycle, you can expect to get clean water from your RO system within minutes!

Meet the author: Paul White

Paul is water engineer by trade and is very passionate about innovative solutions for water filtration. His goal is to make drinking water accessible and affordable to all. An avid runner, he is currently training for a marathon. “Running is my sanity. Writing is how I organize my thoughts. I’m a poet and writer who is passionate about change. I aspire to be the best version of myself, and to help others do the same.” Learn more about Paul and the rest of the team.