
47-100436-84A Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $54.20 | Condition is New, OEM Rheem Ruud Weather King Furnace Control Circuit Board Fits 47-100436-84A, FREE SHIPPING | ![]() |
![]() | $54.20 | Condition is New, OEM Rheem Ruud WKing Protech Furnace Circuit Control Board Fits 47-100436-84A, FREE SHIPPING | ![]() |
![]() | $61.48 | Condition is New, RHEEM 47-100436-84A Blower Control Board Blower Control Board, FREE SHIPPING | 98.6% |
![]() | $66.95 | Condition is New, 47-100436-84A Rheem Blower Board Kit For 120V OEM 47-100436-84A, shipping cost = $9.96 | 99.6% |
![]() | $76.65 | Top Pick! Condition is New, Rheem 47-100436-84A Blower Control Board Compatible with Multiple Models, FREE SHIPPING | ![]() |
![]() | $101.34 | Top Pick! Condition is New, RHEEM 47-100436-84A Appliance Blower Control Board Kit, FREE SHIPPING | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $60.73 | Condition is Unspecified, RHEEM 47-100436-84A Blower Control Board Blower Control Board, FREE SHIPPING | 97.7% |

The Rheem Ruud WKing ProTech 47-100436-84A circuit board is a crucial component of your heating system designed to ensure efficient and reliable operation. This circuit board is engineered specifically for use with Ruud WKing ProTech furnaces with model numbers starting with "47."
This circuit board is a microcontroller-based design, which allows it to process complex data and make adjustments to the furnace's performance in real-time. It features advanced diagnostics capabilities, which can help identify potential issues and alert the homeowner before they become major problems.
The board includes various inputs and outputs, such as temperature sensors, limit switches, and relays, to control various functions of the furnace. It also features a high-temperature protection circuit, which helps prevent damage to the furnace caused by overheating.
The circuit board is designed with robust components to ensure long-lasting performance. It is also UL listed, which means it has been tested and certified to meet rigorous safety standards. The board is compatible with various communication protocols, including Modbus and BACnet, making it easier to integrate with home automation systems.
Installing the circuit board is a straightforward process. It comes with clear instructions and all necessary mounting hardware. The board is also backed by a one-year limited warranty from Rheem, giving homeowners peace of mind in their investment.
Overall, the Rheem Ruud WKing ProTech 47-100436-84A circuit board is a high-performance and reliable solution for your Ruud WKing ProTech furnace. It offers advanced diagnostics capabilities, robust components, and easy installation, making it an excellent choice for homeowners looking to maintain their heating system's efficiency and reliability.
The Rheem Ruud Wking ProTech 47-100436-84A circuit board is a crucial component of your furnace system, responsible for managing various electrical functions. Let's examine the potential advantages and disadvantages of purchasing this circuit board.
Advantages:1. OEM Compatibility: This circuit board is a direct replacement for original Rheem Ruud models, ensuring a perfect fit and optimal performance.
2. Energy Efficiency: A malfunctioning circuit board can lead to inefficient furnace operation. Replacing it with a new one can help restore energy efficiency and potentially lower your utility bills.
3. Improved Heating Performance: A faulty control board can cause uneven heating or even prevent the furnace from starting altogether. Replacing it can help restore consistent and reliable heating.
4. Longer Furnace Lifespan: By addressing a faulty control board, you're investing in the longevity of your furnace. Regular maintenance and timely replacement of essential components can help extend its life.
Disadvantages:1. Cost: The price of the circuit board may be considered high for some homeowners, especially those on a tight budget.
2. Labor Costs: Installing a new circuit board may require professional assistance, which can add to the overall cost.
3. Availability: Depending on your location, availability of the specific circuit board model may be limited, which could lead to longer wait times.
In conclusion, the Rheem Ruud Wking ProTech 47-100436-84A circuit board is an essential investment for maintaining the optimal performance and longevity of your furnace system. Although there are some costs associated with the purchase and installation, the benefits, such as improved heating performance, energy efficiency, and potential cost savings over time, often outweigh the initial investment. If you're experiencing issues with your furnace, it's worth considering the replacement of this crucial component.
Details:
Replaces old part #s: 47-100436-84A. Function: the control board is the brain of your unit, coordinating and executing operation other various components by sending voltage when where needed. A control board is constantly monitoring sensors and safety switches in the unit. Repair difficulty level: partial list of units that use this item.
specifications centrafurn:
- brand: Fits Rheem Ruud Wking Protech
- mpn: 47-100436-84a
- model: Fits 47-100436-84a
- type: Furnace Circuit Control Board
returns centrafurn:
- paid by: seller
- method: money back
- time: 30 days
- policy: returns accepted
seller centrafurn:
- # reviews: 151075
- rating: 98.6%
- city: louisville, kentucky
shipping centrafurn:
- class: standard, expedited, one-day
- transit: 3-8 days
- type: calculated
- carrier: usps, fedex, ups
- service: usps ground advantage, usps priority mail, fedex 2day, ups next day air saver
general centrafurn:
- category: Home & Garden > Heating, Air > Cooling Systems > Central Furnaces
offer centrafurn:
- sold #: 26
- availability: in stock
- options: ship-to-home
- started: march 31, 2025
- prices: $54.20–$101.34
- item condition:
- New
- Unspecified
payments centrafurn:
- wallet: paypal
- other
- credit card: diners-club
Also Available:
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- 47-19807-04: , Rheem
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- RXBH-1724C10J-B: , Pro Tech Outdoors
- W801CA050314MSA: FURNACE, Rheem
- WV4262E1214: WATER HEATER VALVE, Fits Rheem Ruud Honeywell
- R92TA1001521MSA: FURNACE, Rheem
- AP08555B: WATER HEATER VALVE, Fits Rheem Ruud
- AP8555B-15: VALVE, Fits Rheem Ruud
- 712111559C: INDUCER FURNACE MOTOR, Climatek







