AO Smith is one of the leading manufacturers of water heaters and boilers globally. With a reputation for innovation and reliability, many households and businesses trust AO Smith for their hot water needs. However, like all appliances, there may come a time when you need assistance. That’s where AO Smith tech support comes in.
This comprehensive guide will walk you through everything you need to know about AO Smith’s technical support, including how to contact them, what information you need before calling, and how to troubleshoot common issues yourself.
Why AO Smith Tech Support Matters
When you purchase an AO Smith product, you’re not just buying a water heater or boiler — you’re also getting access to one of the most efficient tech support systems in the industry. Whether it’s a warranty issue, installation problem, or a performance concern, AO Smith tech support is there to help.
Benefits of AO Smith Tech Support
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Expert assistance from trained professionals
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24/7 availability for emergency support (via select channels)
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Access to product manuals, how-to videos, and guides
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Warranty claims and replacement part assistance
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Technical support for contractors and homeowners alike
How to Contact AO Smith Tech Support
There are multiple ways to get in touch with AO Smith’s customer and technical support teams, depending on your needs.
📞 AO Smith Tech Support Phone Number
The fastest way to reach AO Smith support is by phone. They have dedicated lines for residential and commercial products:
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Residential Water Heaters: 1-800-527-1953
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Commercial Water Heaters & Boilers: 1-800-433-2545
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Available Hours: Monday – Friday, 8 AM to 6 PM CST
Make sure you have your product’s model and serial number ready before calling.
📧 Email and Online Contact Form
If your issue is not urgent, you can also reach AO Smith tech support via their online contact form. Provide as much detail as possible, including your product’s serial number, installation date, and the nature of the issue.
🖥️ AO Smith Support Website
The AO Smith website includes a comprehensive support portal. Visit https://www.hotwater.com for:
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Product manuals and specifications
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Troubleshooting tips
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How-to videos
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Warranty information
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Installer locator
What Information You Need Before Contacting Support
To get the most efficient help, make sure to gather the following details before calling or emailing AO Smith tech support:
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Model Number
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Serial Number
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Date of Purchase or Installation
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Description of the Issue
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Error Codes (if any)
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Proof of Purchase (for warranty claims)
This information helps tech support troubleshoot effectively and provide quicker solutions.
Common AO Smith Product Issues & Troubleshooting Tips
Before reaching out to support, you might want to try a few basic troubleshooting steps. AO Smith water heaters are known for reliability, but occasional hiccups can happen.
🔧 No Hot Water
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Possible Causes: Pilot light is off, thermostat failure, tripped circuit breaker.
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Quick Fixes: Check your circuit breaker, relight the pilot light, and ensure the thermostat is set correctly.
🔥 Water Too Hot
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Possible Cause: Thermostat set too high.
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Quick Fix: Adjust thermostat to 120°F or lower for safety and efficiency.
💦 Water Leaks
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Possible Causes: Corrosion, loose connections, faulty T&P valve.
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What to Do: Shut off water supply and electricity/gas. Call AO Smith tech support immediately.
💡 Error Codes on AO Smith Tankless Units
Many AO Smith tankless water heaters display error codes. You can look these up in the manual or online support portal. Some common ones include:
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Error Code E03: Air intake issue
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Error Code E05: Exhaust blockage
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Error Code E12: Flame failure
Most of these can be fixed with simple cleaning or resetting, but when in doubt, contact AO Smith tech support.
AO Smith Warranty and Support Services
AO Smith products typically come with robust warranties, ranging from 6 to 12 years, depending on the model and installation conditions.
How to Register Your AO Smith Product
Registering your product helps streamline warranty claims. You can do this easily on the AO Smith website. You’ll need:
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Product serial number
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Installation date
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Installer’s information (if applicable)
Warranty Claims
To initiate a warranty claim, contact AO Smith tech support with your product’s serial number and a description of the issue. If approved, they’ll assist with replacement parts or unit replacement if necessary.
AO Smith Tech Support for Professionals
If you’re a plumber or HVAC technician, AO Smith offers dedicated Pro Support Services, including:
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Priority tech support lines
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Technical training videos
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Online courses and certification programs
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Professional installer rewards
You can register for a Pro Account on the AO Smith website for access to additional tools and resources.
Online Resources from AO Smith
AO Smith’s digital support system is among the best in the industry. Here’s what you can find online:
📚 Product Manuals
You can search for and download PDF versions of your product’s manual using the model number.
🎥 Instructional Videos
AO Smith’s YouTube channel and website feature dozens of helpful videos for installation, troubleshooting, and maintenance.
🛠️ Service Locator
Need a certified technician? Use the Service Provider Locator Tool to find authorized service personnel in your area.
Final Thoughts on AO Smith Tech Support
AO Smith stands behind their products with a responsive, knowledgeable, and user-friendly tech support system. Whether you’re a homeowner dealing with a faulty water heater or a professional installer looking for technical documentation, AO Smith tech support ensures you get the help you need — fast.
Don’t wait when you encounter an issue. Reach out to AO Smith tech support and take advantage of the resources available to you. With decades of experience and a commitment to customer satisfaction, AO Smith continues to lead the way in hot water technology and support.
Frequently Asked Questions (FAQs)
✅ Is AO Smith tech support available 24/7?
Phone support is typically available during business hours, but online resources and troubleshooting guides are accessible 24/7.
✅ How do I find the model number of my AO Smith water heater?
The model and serial number are usually located on a sticker on the side of the water heater, near the bottom.
✅ Can I troubleshoot AO Smith error codes myself?
Yes, many error codes have simple solutions, but if the issue persists, it’s best to contact AO Smith tech support.
