791Q-905KT1 WHITE-RODGERS Ignitor Hsi Flame Sensor Kit

Review WHITE-RODGERS Ignitor Kit 120v Hsi Flame Sensor Assembly

The White-Rodgers 791Q-905kt1 Ignitor Kit is a replacement part designed for use with certain models of gas furnaces. This ignitor kit is specifically engineered to work with 120V High-Side Ignition (HSI) systems, making it an essential component for maintaining the efficient and safe operation of your furnace.

The heart of this ignitor kit is the flame sensor, denoted as the 791Q component. This sensor is responsible for detecting the presence of a flame in the furnace's combustion chamber. It does this by measuring the resistance across the sensor element. When a flame is present, the resistance is low, and when no flame is detected, the resistance is high. The ignitor kit comes with a new flame sensor to ensure accurate and reliable sensing.

The ignitor itself, denoted as the 905kt1 component, is also included in this kit. The ignitor's primary function is to create a spark to ignite the gas in the furnace's combustion chamber. This ignitor is designed to work with the HSI system and is engineered for a long service life.

The ignitor kit comes with all necessary hardware for installation. This includes mounting screws, wires, and a terminal block. The terminal block is used to connect the ignitor kit to the furnace's control board. The installation process is straightforward and can typically be completed in a short amount of time by a homeowner or a professional HVAC technician.

It is important to note that this ignitor kit is intended for use as a replacement part in certain models of gas furnaces with a 120V HSI system. Before purchasing and installing this kit, it is recommended to confirm that it is compatible with your specific furnace model. Consult your furnace's user manual or contact the manufacturer or a qualified HVAC professional if you have any doubts.

In summary, the White-Rodgers 791Q-905kt1 Ignitor Kit is a crucial component for maintaining the effective and safe operation of certain models of gas furnaces with a 120V HSI system. This kit includes a new flame sensor and ignitor, along with all necessary hardware for installation. It is designed for long service life and straightforward installation. Ensure compatibility with your specific furnace model before purchasing and installing this kit.

The White-Rodgers 791Q-905KT1 Ignitor Kit for 120V HSI (Horizontal Sideburner) furnaces comes with a flame sensor and is designed to replace the entire ignition assembly. Here are some potential pros and cons of buying this ignitor kit:

1. Compatibility: This kit is specifically designed for use with White-Rodgers HSI furnaces, ensuring a perfect fit and function.

2. Easy installation: The kit includes clear instructions and all necessary components for a straightforward replacement process.

3. Improved performance: The new ignitor and flame sensor may improve the overall performance and efficiency of your furnace.

4. Cost-effective: Replacing the entire ignition assembly instead of individual components could save you money in the long run.

5. OEM part: Using an OEM (Original Equipment Manufacturer) part, like the White-Rodgers 791Q-905KT1, can help maintain the warranty and resale value of your furnace.

1. Cost: While replacement parts can save money compared to a new furnace, this kit may still represent a significant investment for some homeowners.

2. Availability: Depending on your location and the availability of parts, it may take some time to receive the kit and complete the installation.

3. DIY installation: If you're not comfortable working with electrical components or natural gas lines, it may be best to hire a professional for the installation.

4. Potential for other issues: Replacing the ignitor and flame sensor may not address all potential problems with your furnace, and other components may need further attention.

In conclusion, the White-Rodgers 791Q-905KT1 Ignitor Kit for 120V HSI furnaces offers several advantages, such as compatibility, easy installation, improved performance, cost-effectiveness, and OEM quality. However, it also comes with some potential drawbacks, including cost, availability, DIY installation challenges, and the possibility of other underlying issues.

If your furnace is experiencing issues with ignition or flame sensing, and you're comfortable with the installation process or have access to a qualified professional, the White-Rodgers 791Q-905KT1 Ignitor Kit could be an effective solution. Otherwise, it may be worth considering other options, such as repairing or replacing only the faulty components or seeking professional advice to determine the root cause of the problem.

Details:

White rogers flame sensor and ignite 120 v 791q 905kt1 will fit some Honeywell applications with the removable metal clip. Check photos for comparison.

specifications heavyignsys:

• brand: White-rodgers
• mpn: 791q-905kt1
• part type: Flame Ignitor Sensor
• voltage: 120
• upc: 786710563867

returns heavyignsys:

• time: 14 days
• paid by: seller
• policy: returns accepted
• method: money back

shipping heavyignsys:

• type: fixed
• transit: 6-13 days
• class: standard
• carrier: usps
• service: usps ground advantage

seller heavyignsys:

• city: newton, massachusetts
• rating: 100.0%
• # reviews: 439

general heavyignsys:

• category: Business & Industrial > Equipment, Attachments > Heavy Parts Accessories > Ignition Systems

offer heavyignsys:

• started: october 10, 2025
• prices: $110.10–$284.98
• item condition: New
• availability: in stock
• in stock #: 3
• options: ship-to-home
• sold #: 17

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