LENNOX 12J99 Furnace Control Circuit Board 1097-502-I 104278-01

( Brand: Lennox ), ( Manufacturer Part Number: 12J99 ), ( Type: Furnace Control Board )

Review LENNOX Furnace Control Circuit Board Free Shipping

Lennox 12J99 Control Circuit Board (1097-502-I, 104278-01)

The Lennox 12J99 Control Circuit Board (Model Number: 1097-502-I, Part Number: 104278-01) is a critical component designed for seamless operation and efficient performance in Lennox heating systems. This high-quality circuit board is a direct replacement for worn-out or damaged boards, ensuring uninterrupted comfort in your home or business.

This Lennox 12J99 Control Circuit Board is engineered to work in sync with the furnace's other components, ensuring optimal performance. It houses the electronic brain of the furnace, processing signals and regulating various functions such as fan control, temperature settings, and safety features.

The board is designed with robust construction to withstand the rigors of day-to-day operation. It features high-quality electronic components that are designed to last, reducing the need for frequent replacements. The Lennox 12J99 Control Circuit Board is also easy to install, thanks to its straightforward design and clear installation instructions provided by Lennox.

In the event of a malfunctioning or failed control board, the Lennox 12J99 Control Circuit Board is the ideal solution. It ensures your HVAC system operates at its best, providing consistent comfort while maintaining energy efficiency. Whether you're a homeowner seeking to maintain your home's comfort or a HVAC technician looking for a reliable replacement part, the Lennox 12J99 Control Circuit Board is an essential addition to your toolkit or inventory.

1. **Original Equipment:** This part is an original Lennox component, ensuring it fits perfectly with the Lennox 12J99 furnace model.

2. **Reliability:** Buying from a reputable manufacturer like Lennox guarantees a certain level of quality and reliability.

3. **Compatibility:** Since it's specifically designed for the Lennox 12J99 furnace, there's less risk of compatibility issues.

4. **Warranty:** Lennox may offer a warranty for this part, providing peace of mind and potential future cost savings.

1. **Price:** Original parts from manufacturers like Lennox can be more expensive compared to aftermarket alternatives.

2. **Limited Availability:** Some parts may be harder to find, especially for older models or in certain regions, which could lead to longer wait times.

3. **Limited Upgrade Opportunities:** Since it's a direct replacement part, it may not offer the opportunity to upgrade or integrate new features.

**Conclusion:** If you value the peace of mind that comes with using original equipment and don't mind the potential higher cost, purchasing the Lennox 12J99 Control Circuit Board (1097-502-I, 104278-01) could be a good choice. However, if you're looking to save money or potentially upgrade the part, you may want to consider aftermarket alternatives. Always ensure that any part you purchase is compatible with your specific furnace model and that it comes with a suitable warranty.

Details:

You are buying a Used Lennox 12J99 1097-502-I 104278-01 Furnace Control Circuit Board. The furnace board is a working pull and will come as pictured.

part #: 12j99 prices

• $49.99-$264.99

specifications hvaapa:

• brand: Lennox
• mpn: 12j99
• type: Furnace Control Board

offer hvaapa:

• best offers: True
• quantity: 1
• options: Ship-to-home
• sold: 0
• started: December 22, 2025
• availability: In Stock

seller hvaapa:

• # reviews: 8115
• rating: 99.0%
• city: Detroit, Michigan

returns hvaapa:

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

shipping hvaapa:

• type: Fixed
• service: Standard
• transit: 4-5 Days
• cost: $0.00
• class: Standard

payments hvaapa:

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

general hvaapa:

• HVAC Refrigeration > HVAC Refrigeration: Parts Accessories > HVAC Refrigeration: Controls Circuit Boards
• condition: Used

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