HONEYWELL ST9120C1020 Furnace Control Circuit Board

( Brand: Honeywell ), ( Manufacturer Part Number: ST9120C1020 ), ( Compatible Brand: For Honeywell ), ( Type: Furnace Control Board )

Review HONEYWELL Furnace Control Circuit Board

Honeywell ST9120C1020 Furnace Control Circuit Board

The Honeywell ST9120C1020 Furnace Control Circuit Board is a crucial component in maintaining the optimal functioning of your heating system. This advanced circuit board is designed to provide precise control over your furnace, ensuring efficient and reliable performance.

Crafted by the renowned Honeywell, a global leader in home comfort solutions, this circuit board is built with high-quality materials and rigorous testing to ensure longevity and dependability. It is specifically designed to work with the Honeywell ST9120 gas furnace, providing seamless integration and smooth operation.

The ST9120C1020 Furnace Control Circuit Board is responsible for monitoring and controlling various aspects of your furnace, including temperature settings, fan operation, and safety functions. It features a user-friendly interface that allows you to easily adjust settings and troubleshoot issues, ensuring a comfortable and energy-efficient home environment.

1. Advanced microprocessor for precise control and quick response times.

2. Compatibility with multiple thermostat types, including non-communicating and communicating models.

3. Built-in diagnostics for easy troubleshooting and error detection.

4. Durable design that withstands harsh conditions and extended use.

5. High-quality components for long-lasting performance and reliability.

Whether you're a homeowner looking to maintain your existing heating system or a professional installer seeking a reliable replacement part, the Honeywell ST9120C1020 Furnace Control Circuit Board is an excellent choice. Its combination of quality, performance, and ease of use makes it a valuable addition to any home comfort system. Upgrade your furnace with the Honeywell ST9120C1020 for a warmer, more comfortable, and more efficient home.

Pros and Cons of Buying Honeywell ST9120C1020 Furnace Control Circuit Board

1. Availability: Replacing a faulty control circuit board can help restore the functionality of your Honeywell furnace, potentially saving you from the cost of a new furnace.

2. DIY Potential: Some homeowners with technical skills may prefer to replace the control circuit board themselves, which can save on labor costs.

3. Improved Efficiency: A new control circuit board may help improve the efficiency of your furnace, leading to lower energy bills over time.

1. Cost: The cost of the control circuit board may be significant, especially when compared to the cost of a new, energy-efficient furnace.

2. Risk of Damage: If not handled or installed correctly, there is a risk of further damage to your furnace.

3. Potential Obsolescence: Older furnace models may have control circuit boards that are no longer manufactured, making replacements harder to find.

Buying a Honeywell ST9120C1020 Furnace Control Circuit Board can be a cost-effective solution if your furnace is still in good condition and the control circuit board is the only issue. However, it's crucial to consider the potential costs and risks involved, especially when compared to the cost of a new furnace. If your furnace is old or frequently requires repairs, it might be more economical to invest in a new, energy-efficient model.

If you decide to replace the control circuit board, ensure you purchase it from a reliable source and follow the installation instructions carefully. If you're unsure about your ability to handle the installation, consider hiring a professional to avoid potential damage to your furnace. If your furnace is old or frequently breaks down, it might be wiser to invest in a new, energy-efficient model to ensure consistent heating and lower long-term costs.

Details:

YOU ARE BUYING A USED HONEYWELL ST9120C1020 FURNACE CONTROL CIRCUIT BOARD.

part #: st9120c1020 prices

• $49.95-$159.99

specifications hvaapa:

• brand: Honeywell
• mpn: St9120c1020
• compatible brand: For Honeywell
• type: Furnace Control Board

general hvaapa:

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

seller hvaapa:

• rating: 99.7%
• city: Milan, Michigan
• # reviews: 3955

shipping hvaapa:

• class: Standard
• type: Fixed
• cost: $0.00
• transit: 3-7 Days
• service: Standard

returns hvaapa:

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

offer hvaapa:

• started: December 23, 2025
• availability: In Stock
• quantity: 1
• sold: 0
• options: Ship-to-home
• best offers: True

payments hvaapa:

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

Honeywell ST9120C1020 Is Similar To:

• 1012-83-9409a Honeywell Furnace Control Circuit Board (75% similar) Honeywell furnace control circuit board 9409A j HK42FZ009REPLACEMENT came out of working...(October 14th, 2018)
• 1068-11 1068-83-119a Lh33wp003a Honeywell Furnace (34% similar) Honeywell furnace control board 119A LH33WP003A...(February 19th, 2018)
• 1084-83-100b 1087562 811060 Honeywell Hsci Control Board Ks (45.5% similar) Removed from new, surplus, tested equipment. Cleaned and inspected very carefully...(February 17th, 2019)
• 1749d1-a Is22030051l5089 417-200-020 Lennox Honeywell New Furnace Air Pressure Switch (35.3% similar) New Honeywell 1749D1 a IS22030051L5089 furnace air pressure switch...(July 17th, 2018)
• 1n-2018-0037 Honeywell Electric Pilotstat Pilot Safety Control (33.6% similar) Honeywell C434A1013 electric pilot stat pilot safety control lock: 7C...(May 31st, 2018)
• 20011140 Honeywell Furnace Air Pressure Switch (47.4% similar) ...(April 7th, 2018)
• 383500190 Honeywell Electronic Boiler Control (39.6% similar) Honeywell MCBA14A 1004 electronic boiler control...(December 22nd, 2018)
• 712376616784 Honeywell Control Home Dcor (44% similar) Features dimension. This product may be used with Q309 and Q340 Thermopylae's or Q313 Thermopylae's...(January 6th, 2018)
• 8600k 80n9201 38707b001 Honeywell Furnace Ignition Control Module (48.3% similar) Item was tested and it is in working condition. For sale used Honeywell S8660K1006, 80N9201, 38707B001 furnace ignition control module more details see pictures...(March 3rd, 2018)
• 9004440105 Ao Smith Honeywell Smartvalve Gas Control Nat 3.5 (43.2% similar) Application accessory type natural gas nag max temp f 160 pressure reg setting Nat...(August 11th, 2016)