Description
Lochinvar & A.O. Smith 100191120 Spark Ignitor Assembly
The Lochinvar & A.O. Smith 100191120 Spark Ignitor Assembly is a genuine OEM replacement part designed to restore dependable ignition performance in compatible Lochinvar and A.O. Smith water heating equipment. When your unit fails to light or experiences intermittent ignition issues, replacing the spark ignitor assembly is a critical first step in restoring safe, efficient operation.
Product Overview
This spark ignitor assembly is engineered to exact OEM specifications, ensuring a precise fit and reliable spark generation for the burner ignition sequence. It is the ideal solution for service technicians and facility maintenance professionals seeking a direct-replacement part that eliminates guesswork and minimizes equipment downtime.
Key Features
- Genuine OEM replacement part for Lochinvar and A.O. Smith heating equipment
- Engineered to exact factory specifications for a direct, drop-in fit
- Restores reliable spark ignition to the burner assembly
- Helps eliminate nuisance no-heat calls and ignition failures
- Designed for durability in demanding commercial and residential water heating applications
Application
- Compatible with select Lochinvar and A.O. Smith water heaters and boilers — consult your equipment’s parts manual or service documentation to confirm fitment for your specific model
Why Choose OEM Parts?
OEM replacement components like the 100191120 Spark Ignitor Assembly are manufactured to the same standards as the original equipment, ensuring proper operation, safety compliance, and longevity. Using genuine parts also helps protect equipment warranties and reduces the risk of callbacks.







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