AO Smith S500 High Efficiency Water Softener with Wi-Fi Capability
AO Smith S500 High Efficiency Water Softener with Wi-Fi Capability
Water softener component designed to regulate operation and support reliable hardness reduction performance, helping address scale.
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AO Smith S500 High Efficiency Water Softener with Wi-Fi Capability
The AO Smith S500 High Efficiency Water Softener with Wi‑Fi Capability is a high-efficiency whole-home water softening system designed to help reduce hard water buildup, spotting, staining, and scale throughout your home while using less salt and water than many traditional softeners.
Built with durable USA-made components and smart metered regeneration technology, the S500 delivers reliable long-term performance while helping protect plumbing, appliances, fixtures, and fabrics from the damaging effects of hard water.
Key Features
• High-efficiency whole-home water softener
• Large 49,800 grain capacity
• Wi-Fi capable smart system
• Metered regeneration for improved efficiency
• Uses less salt and water than traditional softeners
• Made in the USA
• Compact space-saving design
• Graduated bypass valve for adjustable softness levels
• PowerCell backup retains settings during power outages
• Installation kit included
High-Efficiency Softening Performance
The S500 is engineered to provide powerful whole-home softening while minimizing ongoing maintenance and operating costs. The metered control system monitors water usage and regenerates only when necessary, helping reduce unnecessary salt and water consumption.
Benefits of Soft Water
• Helps reduce scale buildup in plumbing and appliances
• Minimizes spotting on dishes and fixtures
• Helps keep laundry and fabrics feeling softer
• Improves soap and detergent performance
• Extends the lifespan of water-using appliances
Smart Metered Regeneration
Unlike time-based systems that regenerate on a fixed schedule, the AO Smith S500 uses fully metered regeneration technology to optimize efficiency based on actual household water usage.
Reliable USA-Made Components
Designed for long-term reliability, the S500 is built using high-quality USA-made components and features a durable valve and cabinet system suitable for daily residential use.
Easy Installation & Operation
The compact cabinet design fits easily in many basements, utility rooms, and crawl spaces. An included installation kit with fittings and drain line helps simplify setup.
The graduated bypass valve also allows homeowners to fine-tune water softness levels based on preference and application.
Power Outage Protection
The built-in PowerCell backup system helps retain settings and programming during power interruptions, helping ensure continued reliable operation.
Specifications
• Product Number: WD AOW-S500
• System Type: Whole House Water Softener
• Grain Capacity: 49,800 grains
• Connection Size: 1"
• Regeneration Type: Fully Metered
• Wi-Fi Capability: Yes
• Power Backup: PowerCell backup system
• Dimensions: 39.5" H × 22.8" W × 18.1" D
Warranty
• 1 Year — Complete Unit
• 3 Years — Electronics
• 6 Years — Valve
• 12 Years — Media Tank and Cabinet

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If you ever need help, you’ll talk to someone who actually understands water systems and wants to make this easier for you.
Helpful Product Videos
Watch helpful videos about installation, maintenance, replacement, and product details.
FAQs
How do I cancel or edit an order?
How do I cancel or edit an order?
Unfortunately, we cannot cancel orders due to a change of mind. However, we understand that mistakes happen. If you need to edit your order information, such as the delivery address or contact number, please contact our customer service as soon as possible.
Here’s what you can do:
- Contact our customer service via email address, or Live Chat.
- Have your order number ready when contacting customer service.
- We cannot guarantee changes to orders after 24 hours of placement. This is because orders may be processed once received
How can I track my order?
How can I track my order?
You can track your order by checking the shipping confirmation email, which contains a tracking number and a link to the courier's website. Alternatively, log in to your account on our website, navigate to "My Orders," and click on the tracking link provided for your order.
What if there is a problem with my order?
What if there is a problem with my order?
If there is an issue with your order, please contact our customer service team as soon as possible. You can reach us via email, phone, or through the contact form on our website. Provide your order number and a brief description of the problem so we can assist you quickly.
I didn't receive all off my order?
I didn't receive all off my order?
If part of your order is missing, please check the shipping confirmation email to see if the items were sent separately. If all items should have arrived together or if you have concerns, contact our customer service team with your order number. We’ll investigate and resolve the issue promptly.

