A.O. SMITH 100109978 Ignitor

( Brand: A.o. Smith ), ( Manufacturer Part Number: 100109978 ), ( Type: Hvac Parts ), ( Item Length: 7.000 ), ( Item Width: 5.000 ), ( Country Of Origin: Mexico )

Review A.O. SMITH .o. 100109978.o. Ignitor

The A.O. Smith 100109978 Ignitor is a crucial component for ensuring efficient and effective water heater operation. This ignitor is specifically designed for use with A.O. Smith branded natural gas water heaters.

The ignitor is made of high-quality materials, including a ceramic fiber insulation that helps protect against thermal shock and prolong the ignitor's lifespan. The ignitor tip is made of a durable, porcelain material that can withstand the intense heat and flames produced during the ignition process.

The ignitor operates using a reliable spark ignition system, which produces a strong, consistent spark to ignite the gas pilot flame. This system includes a high-voltage ignition transformer and a spark gap, all of which are designed to provide reliable performance over an extended period.

This ignitor is easy to install, with a straightforward design that allows for quick and secure mounting to the water heater. The ignitor also includes a safety feature, such as a thermal cutoff switch, which helps prevent the ignitor from overheating and potentially causing damage to the water heater or posing a safety hazard.

The A.O. Smith 100109978 Ignitor is a cost-effective solution for replacing a faulty or worn-out ignitor in a natural gas water heater. It is designed to provide reliable and consistent performance, ensuring that your water heater continues to operate efficiently and effectively.

In summary, the A.O. Smith 100109978 Ignitor is a high-quality, durable component that is essential for the proper functioning of natural gas water heaters. Its reliable spark ignition system, easy installation, and safety features make it an excellent choice for homeowners and professionals alike.

The A.O. Smith 100109978 Igniter is a replacement part designed for certain A.O. Smith water heaters. This igniter is responsible for generating a spark to ignite the gas burner in the water heater. Here are some pros and cons of buying this part:

1. Improves Water Heater Performance: A faulty igniter can prevent your water heater from functioning efficiently. Replacing it with a new one can help improve the performance of your water heater.

2. Cost-Effective: Replacing the igniter is often a more cost-effective solution compared to replacing the entire water heater.

3. Easy Installation: The replacement process is relatively simple and can be done without the need for professional help in most cases.

1. Potential Safety Hazards: A faulty igniter can cause safety issues, such as gas leaks or fires. It is essential to ensure that the replacement part is installed correctly to avoid these hazards.

2. Limited Compatibility: This igniter is designed specifically for certain A.O. Smith water heaters. It may not be compatible with other brands or models.

3. Potential for Multiple Failures: If the igniter fails once, it may be an indication of a more significant issue with the water heater. Replacing the igniter may only be a temporary solution.

In conclusion, the decision to buy the A.O. Smith 100109978 Igniter depends on the specific circumstances of your water heater. If you have a compatible A.O. Smith water heater and the igniter is the only issue, then replacing it can be a cost-effective and straightforward solution. However, if you suspect a more significant problem, it may be worth considering a professional inspection or replacement of the entire water heater.

Recommendation: Before purchasing the A.O. Smith 100109978 Igniter, ensure that it is compatible with your water heater model. If you are unsure, consult the user manual or contact A.O. Smith customer support for assistance. Additionally, consider having a professional inspect your water heater to determine the root cause of any performance issues.

Details:

Further warranty may be offered by the product manufacturer. Smith Ignitor 100109978: Ignitor, Ignite.: MPN100109978. Smith Ignitor 100109978:.O.

If an order has already been shipped, simply refuse the package when it arrives or return to sender if courier delivers. Warranty issues with all power equipment must be addressed through the manufacture.

part #: 100109978 prices

• $99.99-$179.99

specifications wateheat:

• brand: A.o. Smith
• mpn: 100109978
• type: Hvac Parts
• item length: 7.000
• item width: 5.000
• country of origin: Mexico

general wateheat:

• Heating, Cooling Air > Water Heaters > Water Heater Parts
• condition: New

payments wateheat:

• credit card: Discover
• other
• wallet: Google-pay

shipping wateheat:

• type: Fixed
• transit: 2-4 Days
• class: Standard
• service: UPS Ground
• cost: $0.00
• carrier: UPS

offer wateheat:

• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: December 8, 2025
• quantity: 9

seller wateheat:

• # reviews: 145268
• rating: 99.5%
• city: Hibbing, Minnesota

returns wateheat:

• policy: Returns Accepted
• time: 30 Days
• method: Money back
• paid by: Buyer

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