AO Smith Reverse Osmosis Water Filtration System

The AO Smith Under Sink Reverse Osmosis Filter System offers a comprehensive solution for providing clean, healthy tap water in your home. This advanced filtration system is independently tested to reduce up to 99% of 90 contaminants, including fluoride, chlorine, chloramine, lead, arsenic, pesticides, PFOA/PFOS, cysts, microplastics, and more.

Designed for under-counter installation, the system features a dedicated chrome air gap faucet that prevents backflow into the filtration system by draining water out through the air gap hole on the side of the faucet. To ensure proper operation, it is essential to maintain a short, direct, and unobstructed drain line.

One of the standout features of this system is the ease of filter replacements. Simply twist out the used cartridge and replace it with a genuine AO Smith replacement filter to continue providing effective contaminant removal. The system includes the first set of filters, the RO tank, the dedicated faucet, and all the necessary parts for under-counter installation.

The system is certified to meet various industry standards, including NSF Standards 42, 53, 58, and 401, ensuring its performance and safety. The contaminants it removes include chlorine, fluoride, chromium, and more, catering to a wide range of water quality concerns.

The filter capacities and flow rates vary across the different models, with the AOS-HERO-CHR model offering a 365-gallon capacity and 0.8 GPM flow rate, suitable for households of 3-4 people. The AO-MF model has a 1,389-gallon capacity and 1.4 GPM flow rate, suitable for 1-4 person households. The AO-MF-ADV model boasts a 784-gallon capacity and 1.5 GPM flow rate, making it suitable for households of 4 or more.

To ensure proper installation and operation, the system comes with helpful troubleshooting information. For example, users are advised to mark the tubing 5/8" up from the end to ensure proper insertion into the quick connect. Additionally, it is recommended to recheck the connections an hour after the tank is filled with water, as it takes about an hour to complete the process.

The system is designed to operate quietly, with the only expected noise being a quiet gurgling from the air gap faucet. During the initial setup, users may hear some sputtering as air is expelled from the system.

In the event of the water coming out black, this is likely due to carbon dust or fines from the new filters. While this may affect the water's color, it is not harmful. Users are advised to flush the system again if desired to clear any remaining dust or fines.

Overall, the AO Smith Under Sink Reverse Osmosis Filter System offers a comprehensive solution for providing clean, safe, and healthy tap water in your home, with easy maintenance and a range of features to suit various household needs.

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