⚙️ 100191120 A.O. SMITH SPARK IGNITER ASSEMBLY – SERIES 200/201 (Replaces 9009027005)
The A.O. Smith 100191120 Spark Igniter Assembly is a genuine OEM replacement part designed for A.O. Smith Series 200 and 201 water heaters. It ensures reliable ignition performance and consistent burner operation, restoring proper function to your water heater system.
✅ Key Features
✅ Genuine A.O. Smith OEM igniter assembly
✅ Compatible with Series 200 & 201 water heaters
✅ Replaces old part number 9009027005
✅ Ensures consistent spark ignition for safe startup
✅ Built with durable, high-temperature components for long service life
✅ Quick and easy installation — plug-and-play replacement
📊 Specifications
Attribute | Detail |
Model / Part Number |
100191120 |
Old Part Number |
9009027005 |
Product Type |
Spark Igniter Assembly |
Compatible Models |
A.O. Smith Series 200 / 201 |
Function |
Ignites gas burner for water heater operation |
Application |
Residential and commercial water heaters |
Manufacturer |
A.O. Smith |
Type |
OEM Replacement Part |
⚠️ Common Symptoms Indicating Replacement
-
Water heater fails to ignite or spark
-
No hot water or inconsistent heating
-
Clicking sound without ignition
-
Visible wear or damage on the igniter
❓ Frequently Asked Questions
Q: What models does this igniter fit?
A: It fits A.O. Smith Series 200 and 201 water heaters.
Q: What part does this replace?
A: It replaces A.O. Smith 9009027005.
Q: Is this an OEM (Original Equipment Manufacturer) part?
A: Yes, this is a genuine A.O. Smith OEM igniter assembly.
Q: Can I install it myself?
A: It’s a straightforward replacement, but installation should be performed by a qualified technician to ensure safety and proper function.
🛒 Shopping Tips
✔ Confirm your water heater model (Series 200 or 201) before ordering.
✔ Always disconnect power and gas supply before replacing the igniter.
✔ Use genuine A.O. Smith parts for proper fit, reliability, and warranty protection.