RHEEM 47-104848-01 Control Board RA20 662766563788 RP17

( Brand: Rheem ), ( Manufacturer Part Number: 47-104848-01 ), ( Model: RA20 ), ( Type: Speed Control ), ( UPC: 662766563788 )

Review RHEEM Genuine Oem Variable Speed Control Board

The **Rheem 47-104848-01 Control Board** is a precision-engineered, high-performance component designed exclusively for the **Rheem RA20 and RP17 series of residential and light-commercial water heaters**, ensuring seamless operation, enhanced efficiency, and reliable performance in demanding heating applications. This control board serves as the central nervous system of your water heater, managing critical functions such as temperature regulation, safety monitoring, and operational diagnostics with unmatched precision. Built to Rheem s rigorous engineering standards, the **47-104848-01** features a robust, durable construction with high-quality components that withstand the thermal and electrical stresses of continuous operation, making it an ideal replacement for failed or degraded control boards in older or high-demand systems. Its compact yet functional design integrates essential control circuitry, including a **thermostat interface, power relay, and diagnostic LEDs**, allowing for real-time feedback on system status, fault codes, and operational anomalies. Whether installed in a residential home, a small apartment complex, or a light-commercial setting, this control board ensures consistent heating performance while adhering to strict safety protocols, including overheat protection and electrical fault detection. With its **direct compatibility** with the RA20 and RP17 models, this part eliminates the need for costly retrofitting or additional modifications, providing a straightforward upgrade that restores full functionality to your water heater with minimal downtime. Ideal for HVAC technicians, homeowners, and service professionals seeking a dependable, long-lasting solution, the **Rheem 47-104848-01 Control Board** combines reliability, ease of installation, and superior performance to keep your water heating system running smoothly for years to come.

**Pros and Cons of buying a Rheem 47-104848-01 Control Board for RA20/RP17 Water Heaters**

1. **Compatibility** The Rheem 47-104848-01 is specifically designed for RA20 and RP17 series water heaters, ensuring a direct fit without major modifications. This reduces the risk of installation errors that could arise with a mismatched part.

2. **Reliability** Rheem is a well-known brand in water heater manufacturing, and their control boards are generally built to last. If the original board failed due to a common issue (e.g., faulty wiring, power surges, or age), this replacement is likely to restore functionality.

3. **Ease of Installation** Since this is an OEM (original equipment manufacturer) part, it should integrate seamlessly with the existing wiring and connections. Many users report that replacing the control board is a straightforward DIY task, especially if the heater is already accessible.

4. **Cost-Effective Fix** Replacing a control board is often cheaper than buying a new water heater, especially if the heater itself is still in good condition. This can save hundreds or even thousands of dollars compared to a full replacement.

5. **Warranty Coverage** If your heater is still under warranty (or if Rheem offers a limited warranty on the control board), this replacement may be fully or partially covered, making it a low-risk investment.

6. **Prevents Further Damage** A failing control board can cause intermittent heating, error codes, or complete shutdowns. Replacing it early may prevent secondary issues like sediment buildup from prolonged inactivity or damage to other components from repeated power cycles.

7. **Access to Support** Rheem provides customer support and technical resources, which can be helpful if you encounter issues during installation or troubleshooting.

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1. **Potential Counterfeit Parts** There is a risk of purchasing a fake or low-quality replica, especially if buying from third-party sellers. Counterfeit parts may fail prematurely or lack proper certifications, voiding any warranty. Always verify the seller s reputation and check for authenticity markings.

2. **DIY Difficulty** While many users find the replacement straightforward, those without electrical or plumbing experience may struggle with wiring, grounding, or troubleshooting. Incorrect installation can lead to electrical hazards or further damage to the heater.

3. **Underlying Issues** If the control board failed due to a deeper problem (e.g., corroded terminals, faulty thermostat, or power supply issues), replacing just the board may not be a permanent fix. A thorough inspection of the heater s components is advisable before purchase.

4. **Limited Lifespan** Control boards, like all electronic components, have a finite lifespan. If your heater is very old (e.g., 15 years), the board may fail again soon, making it a temporary solution. In such cases, considering a full heater replacement might be more cost-effective long-term.

5. **Error Codes or New Issues** After replacement, you might encounter new error codes or malfunctions if the original board s failure was symptomatic of another problem (e.g., a failing thermostat or pressure relief valve). This could require additional diagnostics.

6. **Labor Costs (If Not DIY)** If you hire a professional to install the control board, labor costs (typically $100 $200) could offset some of the savings from buying the part yourself.

7. **Safety Risks** Working with electrical components in a water heater involves potential hazards, such as shock or gas leaks (if applicable). If unsure, it s safer to consult a licensed technician.

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The Rheem 47-104848-01 control board is a **practical and cost-effective solution** for RA20/RP17 water heaters experiencing control-related failures, provided the heater itself is functional. It offers a direct replacement with minimal compatibility issues and can restore heating efficiency quickly. However, it is not a universal fix underlying problems in the heater may persist, and DIY installation carries risks for inexperienced users.

For most homeowners comfortable with basic electrical work and purchasing from a reputable source, this part is a **strong recommendation**. If the heater is older or you suspect deeper issues, a professional inspection or a full replacement evaluation may be warranted.

- Your RA20/RP17 heater has a confirmed control board failure (indicated by error codes, no power, or intermittent heating).

- You are confident in your ability to install it safely or can hire a professional.

- The heater is relatively new (under 10 years old) and otherwise in good condition.

- You purchase from an authorized Rheem dealer or a trusted online retailer to avoid counterfeit parts.

- The heater is very old (15 years) and you suspect other components (e.g., thermostat, heating element) are failing.

- You are uncomfortable with DIY electrical work and cannot afford professional installation.

- The issue persists after replacement, suggesting a larger problem (e.g., gas valve failure in gas heaters).

In summary, this part is a **wise investment for targeted repairs**, but always weigh the risks and long-term needs of your water heater before proceeding.

Details:

part #: 4710484801 prices

• $61.60-$195.00

specifications hvaapa:

• brand: Rheem
• mpn: 47-104848-01
• model: Ra20
• type: Speed Control
• upc: 662766563788

payments hvaapa:

• wallet: Google-pay
• other
• credit card: Diners-club

seller hvaapa:

• city: Nashville, Tennessee
• # reviews: 597
• rating: 99.8%

offer hvaapa:

• sold: 0
• best offers: True
• options: Ship-to-home
• quantity: 1
• started: April 8, 2026
• availability: In Stock

returns hvaapa:

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

shipping hvaapa:

• transit: 5-8 Days
• class: Standard, Expedited
• carrier: USPS, FedEx
• service: USPS Ground Advantage, FedEx 2Day
• cost: $0.00
• type: Calculated

general hvaapa:

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

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