
50V54-571-02-07991 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $89.85 | Condition is Used, Trane 50V54-571-02 D343687P03 CNT7991 Furnace Control Circuit Board GUARANTEED, FREE SHIPPING | 99.2% |
![]() | $89.99 | Condition is Used, Trane 50V54-571-02 D343687P03 CNT07991 CNT7991 Furnace Control Circuit Board, FREE SHIPPING | 99.4% |
![]() | $115.00 | Condition is Used, Working Furnace Control Circuit Board 50V54-571-02 Emerson Trane, shipping cost = $9.42 | 100.0% |
![]() | $125.00 | Condition is Used, OEM Trane American Standard Furnace Control Board Fits D343687P03 50V54-571-02 , shipping cost = $8.06 | 100.0% |
![]() | $130.00 | Condition is Used, Furnace Control Circuit Board 50V54-571-02 Emerson Trane *3 YRS OLD*, shipping cost = $11.95 | 100.0% |
![]() | $215.00 | Condition is Used, OEM Trane American Standard Furnace Control Board Module D343687P03 50V54-571-02, FREE SHIPPING | 98.7% |
![]() | $220.00 | Condition is Used, Trane 50V54-571-02 D343687P03 CNT07991 CNT7991 Furnace Control Circuit Board, FREE SHIPPING | 100.0% |
![]() | $450.00 | Condition is Used, Furnace Control Circuit Board 50V54-571-02 Emerson Trane * 6 month old*, FREE SHIPPING | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $350.00 | Top Pick! Condition is New – Open box, Trane Furnace Control Board 50V54-571-02 / D343687P03 / CNT07991, FREE SHIPPING | 100.0% |
![]() | $399.00 | Condition is New – Open box, Trane D343687P03 OEM Furnace Circuit Control Board 50V54-571-02 CNT07991, shipping cost = $8.71 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $580.95 | Condition is New, OEM Trane American Standard Furnace Control Board Fits D343687P03 50V54-571-02, FREE SHIPPING | ![]() |
![]() | $638.63 | Condition is New, Trane Control Board CNT07991/CNT09419 control board Trane Furnace 2 Stage Variab, shipping cost = $10.15 | 98.5% |
![]() | $1693.99 | Condition is New, Trane 50V54-571-02, D343687P03, Control Board/Ignitor Kit, Furnace, FREE SHIPPING | 99.7% |

The Trane American Standard Emerson 50V54-571-02 07991 D343687P03 Furnace Circuit Control Board is an essential component of your Trane American Standard gas furnace system. Designed and manufactured by Emerson, this circuit control board ensures the effective and efficient operation of your furnace, allowing for reliable heating performance.
This control board, specifically model number 50V54-571-02, is specifically designed for furnaces with model number D343688H1000 and D343688M1000. It is an essential part of the sequence ignition system, which is responsible for starting and regulating the fossil fuel burners in your furnace.
The board uses advanced microcontroller technology to monitor and control various functions of the furnace. It includes inputs for temperature sensors, ignition transformer, vent damper, and flame rollout switch. The output side of the control board manages power to the igniter and draft inducer motor, among other components.
This circuit board features gold-plated connector pins to ensure a secure and long-lasting connection and has a reputation for high reliability. In case of a system malfunction, this board is also capable of tripping the furnace's safety interlocks to prevent damage and ensure safety.
Please note that installation of this part requires specialized knowledge of electronic circuitry and furnace systems. professional HVAC technician is recommended for installation to avoid potential damage to the unit or personal injury. If you are experiencing issues with your furnace, it's recommended to consult with a professional HVAC technician to diagnose and repair the issue.
The Trane American Standard Emerson 50V54-571-02 07991 D343687P03 Furnace Circuit Control Board is a crucial piece of equipment for ensuring the optimal functioning of your furnace, delivering consistent heating and energy efficiency to your living space while maintaining a high level of safety and reliability.
Pros and Cons of Buying Trane American Standard Emerson 50V54-571-02 07991 D343687P03 Furnace Circuit Control Board
I. IntroductionThe Trane American Standard Emerson 50V54-571-02 07991 D343687P03 Furnace Circuit Control Board is a replacement component designed to control various functions of a Trane furnace. This part is not an easy purchase, and it's essential to weigh its advantages and disadvantages before making a decision.
II. Pros1. Improved System Performance: A new circuit control board can enhance the overall efficiency and performance of the furnace. Since this board controls a wide range of functions, upgrading it can lead to better temperature control, higher energy savings, and quieter operation.
2. Enhanced Safety: A faulty or outdated control board can be a safety concern. By replacing it, you ensure your furnace operates safely and effectively, reducing the chances of electrical shortages, fires, or potential health hazards.
3. Potential Savings on Utilities: An upgraded control board can optimize the heating and cooling process, leading to energy savings by maintaining the desired temperature consistently and reducing the energy wasted.
III. Cons1. Cost: Replacing a circuit control board can be expensive, potentially costing up to $500 or more depending on the specific model and labor fees. This investment is a consideration for homeowners and may not be feasible for those on a tight budget.
2. Complex Installation: Installing or replacing a furnace control board requires electrical expertise. Therefore, some homeowners may prefer hiring professional help to ensure the part is installed correctly and functioning properly.
3. Potential for complimentary part failures: A circuit control board interacts with other components of the furnace system. If there are ongoing issues with the furnace, there might be a need for additional repairs or replacements, which can lead to added expenses.
IV. ConclusionIn conclusion, the Trane American Standard Emerson 50V54-571-02 07991 D343687P03 Furnace Circuit Control Board provides enhanced system performance, improved safety, and potential energy savings. Despite its advantages, the cost, complex installation, and possibility of additional repairs might deter some homeowners. Ultimately, the decision to buy this part depends on individual circumstances, the age and condition of the current system, and the budget available for home improvements.
V. RecommendationIf you experience issues related to your furnace not starting, temperature instability, or safety concerns like carbon monoxide detector alarms, it may be worth considering upgrading the circuit control board. However, it's essential to get a professional opinion before making the final decision. Consult a licensed HVAC technician to evaluate your system, assess the issue, and determine whether the Trane American Standard Emerson 50V54-571-02 07991 D343687P03 Furnace Circuit Control Board is the best solution for your situation.
Details:
This special order board was installed in a Trane furnace, only to find that the heat exchange bad, and furnace had be replaced. White Rodgers, Emerson part # 50V54-571-02. This is a new Trane, American Standard furnace control board.
specifications maxohvac:
- brand: Trane American Standard Emerson
- mpn: 50v54-571-02
- part type: Furnace Control Board
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
payments maxohvac:
- credit card: visa
- wallet: paypal
- other
returns maxohvac:
- method: money back
- time: 30 days
- paid by: buyer
- policy: returns accepted
offer maxohvac:
- started: january 23, 2025
- in stock #: 5
- sold #: 33
- availability: in stock
- options: ship-to-home
- prices: $89.85–$1693.99
- item condition:
- Used
- New – Open box
- New
shipping maxohvac:
- type: calculated
- service: usps ground advantage, usps priority mail, usps priority mail express
- transit: 2-6 days
- carrier: usps
- class: Standard, expedited
seller maxohvac:
- city: rochester, minnesota
- rating: 99.6%
- # reviews: 12412
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