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Hot surface igniter/sensor assembly

Piezo igniter and bracket

Igniter/sensor assembly

Flame sensor/igniter

Hot surface igniter kit

Hot surface ignitor (182253)
For those in need of AO Smith Water Heater Ignition Module parts, Repair Clinic is your go-to source for genuine OEM replacements that fit your specific model. Whether your water heater is failing to ignite or the pilot light won't stay lit, an ignition module replacement can resolve your issue and keep your appliance in top working condition. Our extensive inventory guarantees that you find the right part, support proper fit and performance and performance. Browse our replacement parts online today. Additionally, you can support your repair journey with related parts like the AO Smith Water Heater Orifice, ensuring your unit'stays efficient and reliable. Count on Repair Clinic for all your repair needs and keep your water heater running smoothly.
Browse our frequently asked questions about AO Smith Water Heater Igniter Parts to help you with troubleshooting, repair, or replacement needs.
If your AO Smith water heater fails to ignite or the pilot light won't stay lit, it may indicate a faulty igniter. Check for clicking sounds without ignition or visible wear and tear on the igniter. Replacing the igniter can resolve the issue.
When purchasing an igniter for your AO Smith water heater, ensure it is an OEM replacement to fit and function correctly. It's essential to match the part model number with your current setup to avoid compatibility issues.
Purchase genuine AO Smith Water Heater Igniter Parts from trusted retailers like Water Heater Parts. Take advantage of their same-day shipping and a 365-day return policy. Consider browsing related parts such as AO Smith Water Heater Ignition Module Parts for additional needs.


Ensure your AO Smith water heater is working efficiently by replacing worn or faulty igniter parts. Our online store offers genuine AO Smith water heater igniter replacements that support compatibility and reliability. Simply use our model number or part number lookup to quickly find the exact igniter you need. Enjoy the peace of mind that comes with our same-day shipping service, so you don't have to wait long to restore your heater's performance. With our No-Hassle 365-Day Returns and Price Match Guarantee, you can shop confidently knowing you're getting the best value. For assistance with other common water heater issues, visit our Water Heater Troubleshooting page. Additionally, browse related parts with the AO Smith Water Heater Ignition Module Parts if needed for comprehensive repairs.
On AO Smith water heaters, check the rating plate on the side of the tank, often near the control or access area. Look for the model number, not the serial number, and copy it exactly, including letters, numbers, and hyphens. Type it into our model number lookup and the catalog narrows to parts made for your unit. This model search applies to the entire AO Smith water heater, so it helps match parts across every part category. A precise lookup cuts down on manual specification checking and helps you order with confidence knowing the fit is right.

Before you order parts for your AO Smith Water Heater, use Repair Clinic's online repair resources to confirm the cause of the problem. Symptom-based articles narrow the failing component, part testing videos show how to verify it, and the model number lookup matches the exact OEM replacement. Step-by-step installation videos walk you through the swap once the part arrives.

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