When your well pump starts acting up, the culprit is often a worn component inside the Franklin Electric control box. Whether you need a start capacitor, a relay, or an entire replacement control box, finding the exact parts for Franklin Electric control box can save you time and money. In this guide, we break down the top-rated options for 2026, helping you choose the right part for your submersible pump system.
If you are unsure about your pump setup, check our guide on what pump you need for your well before ordering parts. Knowing your motor horsepower and voltage is key to selecting compatible control box components.
Pros
- High compatibility with multiple Franklin control box models
- Sturdy aluminum construction with better heat dissipation
- Non-polarized terminals simplify installation
- Direct replacement for Franklin part 275464118
- Strong average customer rating reflects reliable performance
Cons
- Not universal, confirm your control box model and original MFD rating before ordering
- Mounting hardware not included, some installations require nylon ties or existing bent pins
- Designed for starting duty only, not a replacement for the run capacitor
The KuangBBBTools 105-126 MFD motor start capacitor is a direct replacement for Franklin well pump control boxes rated at 1.0, 1.5, and 2.0 horsepower. It is designed for homeowners, well service technicians, and pump repair professionals who need dependable starting torque to get a stalled motor running again.
This capacitor covers the 105 to 126 microfarad range and works with 220 to 250 volt AC systems at 50/60 Hz. It matches the electrical requirements of common Franklin control boxes, and the non-polarized terminals make wiring simple and reduce the chance of connection errors.
The round aluminum body measures roughly 2.05 inches wide and 3.39 inches high, fitting easily in the original control box space. It replaces Franklin part 275464118 and is compatible with multiple control box models, including 2823018110, 2801084915, 2823018310, and 2823508110. Most installations use nylon ties or a bent steel pin to hold the capacitor in place.
Before ordering, confirm that your control box matches the listed models and that the capacitance range suits your motor's start winding. This is a start capacitor, not a run capacitor, so it is not meant for continuous duty. Some users may need to supply their own mounting hardware if the original clips are missing.
Overall, the KuangBBBTools motor start capacitor offers a strong combination of fit, durability, and easy installation for Franklin pump systems. The aluminum case and larger housing promote better heat dissipation, making it a smart replacement for restoring reliable well pump operation.
Model: KuangBBBTools 105-126 MFD Motor Start Capacitor
Capacitance: 105 to 126 microfarads (MFD)
Operating Voltage: 220 to 250 V AC, 50/60 Hz
Shape: Round
Material: Aluminum
Dimensions: 2.05 inches wide x 3.39 inches high
Upper Temperature Rating: 105 degrees Fahrenheit
Compatible Control Boxes: Franklin 2823018110, 2801084915, 2823018310, 2823508110 and similar models
Replaces Franklin Part: 275464118
Unit Count: 1 capacitor
Before buying a replacement start capacitor, check the capacitance rating printed on the original part. The replacement should match both the microfarad range and the AC voltage rating of the control box.
This KuangBBBTools capacitor is designed for Franklin 1.0, 1.5, and 2.0 HP control box models such as 2823018110, 2801084915, 2823018310, and 2823508110. If your control box is not listed, verify that the physical dimensions and electrical specs are compatible.
Keep in mind that a well pump control box normally contains one start capacitor and one run capacitor. The run capacitor is usually a CBB60 or CBB65 type, while the start capacitor provides extra torque only during motor startup. Replacing the right component is essential for reliable pump operation.
Pros
- Excellent build quality with NEMA 3R weather-resistant enclosure.
- High customer rating (4.7 stars) indicates reliability and performance.
- Made in the USA, supporting domestic manufacturing standards.
- Simple pole/wall mount design for flexible installation.
- Accepts standard #10 AWG wire, reducing need for adapters.
Cons
- No warranty included, which may concern some buyers seeking long-term coverage.
- Specific to 3/4 HP, 230V, 1-phase pumps; not compatible with other motor sizes or voltages.
- Limited to CSIR start type, so not suitable for pumps requiring different start methods.
The Franklin 3/4 HP 230V 1 Phase Control Box is a purpose-built accessory for submersible pump systems. Designed for homeowners, well drillers, and maintenance professionals, it provides the necessary start and run capacitors, relay, and overload protection for CSIR-type motors. This unit is specifically matched to 3/4 horsepower, single-phase pumps operating at 230 volts, ensuring safe and efficient operation.
Standout features include its NEMA 3R enclosure, which shields internal components from rain, sleet, and external damage. The compact 8.44 x 4.81 x 8.44 inch footprint allows mounting on a pole or wall near the wellhead. Users report straightforward wiring thanks to the generous terminal capacity for up to #10 AWG wire, making installation quick even for DIYers with basic electrical knowledge.
Build quality is robust: the steel enclosure is painted for corrosion resistance, and the internal components are securely fastened. With a 4.7 star average from over 120 reviews, customers consistently praise its reliability and long-term performance. The CSIR starting method delivers strong starting torque without excessive inrush current, protecting both the motor and the control box.
One potential drawback is the lack of a manufacturer warranty, though many users find the unit durable enough to offset this concern. Also, the control box is specific to 3/4 HP, 230V, 1-phase CSIR pumps; it will not work with other motor voltages, horsepowers, or start types. Ensure your pump matches these specifications before purchasing.
Overall, the Franklin control box is a solid investment for anyone needing a dependable, weather-resistant pump controller. Its high ratings, American manufacturing, and straightforward design make it a top choice in its category. For the price and performance, it delivers excellent value for both new installations and replacements.
Brand: Franklin Sports (Manufacturer: Franklin)
Model: 2801074915
Part Number: 2801074915
Type: CSIR Control Box
Motor/Pump HP: 3/4 HP
Voltage: 230V, 1 Phase
Amperage: 8 Amps
Enclosure: NEMA 3R (Weatherproof)
Mounting: Pole or Wall
Wire Size: Accepts up to #10 AWG
Dimensions: 8.44 x 4.81 x 8.44 inches (L x W x H)
Weight: 4.54 grams (likely ounces, but listed as grams)
Color: Multicolor (typically gray/black enclosure)
Country of Manufacture: United States
Warranty: None
Pros
- Quick and easy installation – many users report swapping it out in minutes.
- Durable metal construction resists weather and physical damage.
- Reliable performance with consistent start and run cycles for submersible pumps.
- Fair price for a complete control unit, often cheaper than buying individual parts.
Cons
- Only compatible with 1.5HP submersible pumps, not adjustable for other horsepower ratings.
- Shipping delays may occur depending on the carrier (per some user reports).
- Limited to CSCR type controls; not suitable for other motor control configurations.
The FranklinSports 1.5HP 230V control box is designed specifically for submersible well pumps using a CSCR (Capacitor Start Capacitor Run) motor. It is an ideal replacement part for homeowners and contractors facing a failed control unit, as it restores pump operation quickly without needing to replace the entire pump.
Standout features include a robust metal enclosure rated Type 3R, which protects against rain, sleet, and outdoor exposure. The box accepts wiring up to #2 AWG, offering flexibility for various installation setups. Users consistently highlight how easy it is to mount on a pole or wall and connect within a few minutes.
Real-world performance is excellent, with over 200 reviews averaging 4.7 stars. Customers report that the control box resolves intermittent pump issues and runs reliably for years. Many mention it as a cost-effective fix compared to buying individual components or hiring an electrician.
Build quality is solid with a durable metal casing and clear terminals. However, note that this unit is specific to 1.5HP motors and CSCR systems, so it won't work with other pump types. Also, shipping can sometimes be delayed, as noted in a few reviews, but that is carrier related.
Overall, the FranklinSports control box is a trustworthy, high-value solution for maintaining a well water system. If you need a direct swap for a 1.5HP submersible pump, this unit delivers dependable performance at a fair price.
Brand: FranklinSports
Model: 2823008110
Type: Submersible Motor/Pump Control Box, CSCR
Pump Power: 1.5 HP (1 Phase)
Voltage: 230V AC
Amperage: 11.5 Amps
Enclosure: Type 3R (weatherproof)
Mounting: Pole or Wall
Wire Capacity: Up to #2 AWG
Dimensions: 14 x 12 x 14 inches
Weight: 6 pounds
Material: Metal (black finish)
Pros
- Matches Franklin part #275464118 as a direct replacement.
- Well rated by customers at 4.6 out of 5 stars.
- Durable aluminum shell built for heat dissipation and impact resistance.
- Easy installation using existing control box mounting hardware.
- Versatile compatibility across multiple Franklin 1 to 2 HP control boxes.
Cons
- Broad 105-126 MFD tolerance may not suit motors requiring a very precise capacitance value.
- No mounting hardware is included, so you may need to reuse the original bracket or zip ties.
- Compatibility is not universal; verify your exact control box model before ordering.
The BlueNatHxRPR 105-126 MFD motor start capacitor is a drop-in replacement component designed for Franklin electric well pump control boxes rated at 1.0, 1.5, and 2 HP. It is a practical choice for homeowners, well pump technicians, and DIYers who need to get a water system running again without replacing the entire control box.
This round capacitor is engineered to deliver reliable starting torque to the pump motor, with a broad 105-126 MFD capacitance window and 250V AC rating. User feedback highlights solid performance and a high satisfaction score, making it a dependable repair solution for common Franklin control box failures.
The aluminum shell and classic round design help with heat dissipation and durability in a demanding environment. It measures 3.33 inches high by 2 inches in diameter, matching the original footprint, and can be secured with nylon ties or the existing steel mounting pin.
One limitation is that the capacitance range is not a single fixed value, so it may not be ideal for pumps that require a very precise uF rating. Also, no mounting hardware is included, and you will need to verify that your specific control box model is compatible before purchasing.
For most Franklin 1.0, 1.5, and 2 HP setups, this start capacitor offers excellent value, easy installation, and dependable performance. If you need a straightforward replacement for a failed well pump start capacitor, the BlueNatHxRPR is well worth considering.
Product Name: Well Pump Start Capacitor
Capacitance: 105-126 MFD
Voltage Rating: 250V AC 50/60 Hz
Shape: Round
Dimensions: 3.33 inches height x 2.0 inches diameter
Net Weight: 4.2 oz
Material: Aluminum shell
Compatible Replacements: Franklin Part #275464118
Compatible Control Boxes: 2823008110, 2823018110, 2801084915, 2823018310, 2823508110
Pros
- Perfect fit for common Franklin and CRC control boxes
- Durable aluminum construction with better heat management
- Affordable price compared to OEM replacements
- Easy installation with simple mounting options
- Reliable performance based on user reviews
Cons
- Slightly longer than some original capacitors, may require minor adjustment during install
- Only suitable for 1/2 to 3/4 HP motors, not for larger pumps
- Some users recommend replacing the relay simultaneously for best results
The BlueNatHxRPR 59-71 MFD motor start capacitor is a specialized replacement component designed for Franklin 1/2HP and 3/4HP well pump control boxes, including models 2801054915 and CRC 2824075015. It is also compatible with many other similar water pump systems, making it a versatile choice for homeowners and technicians alike.
This capacitor stands out for its robust aluminum shell, which offers better heat dissipation and stability compared to the plastic CBB60 capacitors often found in these boxes. Users report that it restores pump starting power effectively, with many noting that it works perfectly after installation and continues to perform reliably over months of use.
Installation is straightforward: the round capacitor fits into the control box and can be secured with nylon ties or a bent steel pin. Some users noted that it is slightly longer than the original, but this does not affect fitment or function. The capacitor is rated at 250V AC and 50/60 Hz, matching standard household electrical systems.
A minor consideration is that this capacitor is specifically designed for 1/2 to 3/4 HP motors, so it will not work for larger pumps. Additionally, some experienced users recommend replacing the start relay at the same time for optimal performance. A few reviews also mention the need to check for other issues, such as a stuck floater, which can mimic capacitor failure.
Overall, the BlueNatHxRPR start capacitor is a cost-effective and dependable solution for restoring your well pump to working order. With a high customer rating and numerous testimonials confirming its ease of use and durability, it is a solid choice for DIY repairs on Franklin and similar control boxes.
Pros
- Plug-in design makes replacement simple: just swap the faceplate and reconnect wiring.
- High-quality cast iron housing withstands moisture, pressure, and temperature extremes.
- Proven reliability with customers reporting decades of trouble-free use.
- Compatible with most 1 HP 3-wire submersible pumps from Franklin and other brands.
- Made in USA ensures strict manufacturing standards and quality control.
Cons
- Only works with 3-wire motors, not compatible with 2-wire systems.
- Requires 230V power supply; verify your system voltage before purchasing.
- Shipping may be slow depending on the carrier, as some customers noted.
The Franklin Electric 1 HP Submersible Water Pump Control Box is a replacement part designed for 3-wire submersible well pumps. It is ideal for homeowners who need to restore pump functionality when the control box components such as the capacitor or relay wear out. This product is not a pump itself but the control box that manages the pump's start and run cycles.
Its standout feature is the plug-in design. The faceplate with all electronic components simply plugs into the existing wiring harness in your current box. This makes installation a 15-minute job for most DIYers, as confirmed by multiple five-star reviews. The included capacitor and relay are common failure points, so replacing the whole box saves troubleshooting time.
Build quality is excellent. The cast iron housing is rugged and corrosion-resistant, and the unit is proudly made in the USA. It measures just under 8 inches on each side, fitting neatly into standard well pump control enclosures. The 230V single phase rating matches typical residential well systems.
One drawback is that this control box is specifically for 3-wire motors; it will not work with 2-wire pumps. Also, it requires a 230V supply, so double-check your system voltage. A few customers noted slower shipping via DHL, but that is a delivery issue, not a product flaw.
Overall, the Franklin Electric 1 HP Control Box is a reliable, easy-to-install replacement for those with compatible pumps. Its proven longevity and high customer satisfaction make it a smart purchase for proactive well maintenance or emergency repairs.
Pros
- Direct replacement with exact part number, no guesswork involved
- Sturdy build quality using metal and plastic, feels solid during installation
- Works reliably to keep the start winding active only on start, protecting the pump
- Fair price for a genuine Franklin Electric part
- Easy return process in case of issues, as noted by a customer review
Cons
- Only compatible with 1/2 HP, 230V, 1 phase motors, so it won't work with other pump configurations
- Wiring should be done by a professional if you lack electrical experience, to avoid safety hazards
- Does not include a pressure switch or other pump control components, only the control box itself
The Franklin Electric 2801054915 is a dedicated control box designed for 1/2 HP, 230V, single phase well pump motors. It is a direct OEM replacement, meaning it matches the exact specifications and connections required for many residential and light commercial pump systems. This is the right choice if your current control box has failed and you want a reliable, drop-in fix.
Installation is straightforward for anyone comfortable with basic electrical work. The control box maintains the motor's start winding only during startup, which reduces mechanical stress and helps extend the life of your pump. Several customers confirmed that the unit worked perfectly with the exact part number, and the positive feedback highlights the sturdy metal and plastic construction that feels solid in hand.
Build quality is typical of Franklin Electric, a trusted name in water systems. The grey enclosure is both rugged and compact, fitting neatly alongside the pump wiring. The unit ships from the United States and is built to handle the demands of constant water cycling.
One thing to note is that this control box is model-specific, so you must verify that your motor is indeed 1/2 HP, 230V, and single phase. If you have a different horsepower or voltage, this box will not work. If you are handy, you can install it yourself, but if you are unsure, hiring a licensed electrician or well pump technician is recommended.
Overall, the Franklin Electric 2801054915 delivers dependable performance at a fair price. It is a no-fuss replacement that gets your well pump running again quickly, and its positive reviews reflect a product that simply works as it should.
Brand: Franklin Electric
Model: 2801054915
Type: Control Box
Horsepower: 1/2 HP
Voltage: 230V
Phase: 1 Phase
Material: Metal, Plastic
Color: Grey
Manufacturer: Franklin Electric
Country of Origin: USA
Pros
- Exact fit for popular Franklin and CRC control boxes, eliminating guesswork.
- Excellent heat dissipation due to larger body, promoting longevity.
- Easy to install with basic tools and included mounting method.
- Highly rated by customers for being the correct part and working immediately.
- Cost-effective solution for well pump capacitor failures.
Cons
- One user reported capacitor failure within 24 hours, suggesting possible quality control variance.
- Does not include a depletion resistor across the terminals, which some older designs may require.
- Plastic housing may not dissipate heat as effectively as an aluminum shell, though the larger size compensates.
The KuangBBBTools 86-103 MFD Motor Start Capacitor is a direct replacement part designed for Franklin and CRC well pump control boxes, specifically for 3/4 and 1 HP pumps. This capacitor is ideal for homeowners or technicians looking to restore a non-starting well pump without replacing the entire control box.
Its standout feature is compatibility: it fits Franklin Control Box 2801074915, CRC 2824085015, and similar models, directly replacing Franklin part #275464118. The larger body housing improves heat dissipation, which is critical for capacitor longevity in enclosed control boxes. Customers report easy installation using nylon ties or a steel pin, and many confirm it works immediately.
Build quality is typical for a plastic start capacitor: round shape, snap-in mount, and rated for 250V AC. The manufacturer emphasizes a more durable design with better heat management. However, the plastic shell is not as thermally conductive as aluminum, though users note the larger size helps.
Potential drawbacks include a small risk of early failure, as one review noted the capacitor smoked and failed within 24 hours. Additionally, the capacitor lacks the depletion resistor sometimes found on original parts, which could affect compatibility with certain control circuits. Most users found it a perfect fit, but those with older systems should verify requirements.
Overall, this capacitor offers excellent value for a targeted fix. It is a reliable choice for common well pump applications, provided you purchase from a trusted seller and monitor for any initial issues. For the price, it is a smart spare to keep on hand.
Pros
- Reliable start capacitor that restores water quickly.
- Direct replacement for common well pump control box capacitors.
- Robust aluminum construction for better heat dissipation.
- Very affordable compared to replacing the entire control box.
- Positive customer feedback with many reporting perfect fit.
Cons
- Next-day delivery may not be available for all locations.
- Only provides start capacitor function; does not include run capacitor.
- Limited to 86-103 MFD range, so must verify exact requirement.
This BlueNatHxRPR start capacitor is designed as a drop-in replacement for well pump control boxes, particularly Franklin Electric 3/4 HP and 1 HP models. It is ideal for homeowners or technicians looking to fix a failed pump without replacing the entire control unit.
With a capacitance rating of 86-103 MFD and a maximum voltage of 250V AC, it delivers the precise surge needed to start single-phase well pump motors. The aluminum CBB65 housing provides excellent heat dissipation, ensuring reliable operation even in demanding conditions.
The capacitor measures approximately 2 inches in diameter and 3.3 inches tall, fitting easily into standard control boxes. Its round shape and press-fit mounting simplify installation using nylon ties or bent steel pins, as noted in the product description.
A minor drawback is that delivery may not offer next-day options, which could be inconvenient during an emergency. Also, this is only a start capacitor; if your system also needs a run capacitor, you will need to purchase that separately. Ensure your specific capacitance requirement falls within 86-103 MFD before ordering.
Overall, the BlueNatHxRPR capacitor delivers reliable performance at a fraction of the cost of a new control box. With a strong customer rating and direct compatibility with popular Franklin models, it is a smart choice for restoring water supply quickly.
Pros
- High-quality materials for durability and conductivity
- Overload protection prevents equipment damage
- Broad compatibility with Franklin 5-15 HP 230V control boxes
- Simple installation with two terminals
- Cost-effective compared to OEM parts
Cons
- Brand zyamstr may be less familiar to some buyers
- No user reviews yet to validate long-term reliability
- Limited to specific Franklin control box models and voltage
The zyamstr Well Pump Relay is a replacement part designed for Franklin control boxes rated 5 to 15 horsepower at 230 volts. It directly replaces OEM numbers 155031601 and 305213961, making it a convenient option for homeowners, well technicians, and HVAC professionals servicing submersible pumps, heat pumps, air conditioning, or refrigeration compressors.
This relay features a 50-amp normally open contact with automatic operation. Its standout quality is the built-in overload protection, which automatically cuts power if the equipment malfunctions, preventing costly damage. The relay responds quickly to external signals, ensuring smooth start and stop cycles for the pump.
Construction combines high-quality plastic and metal components. The materials offer excellent wear resistance, electrical conductivity, and impact resistance, promising a long service life even in demanding well pump environments. The two-terminal design simplifies installation, requiring no complex wiring or special tools.
A potential drawback is the brand's relative obscurity; zyamstr is not a household name like Franklin or Square D. Additionally, with zero reviews on Amazon, there is no user feedback to confirm real-world durability. However, the 1-year warranty provides some assurance.
Overall, this relay is a solid, budget-friendly choice for replacing a failed Franklin control box relay. It delivers essential safety features and robust build quality at a fraction of the OEM cost. If you need a reliable drop-in replacement for 5-15 HP 230V systems, this part is worth considering.
Buying Guide: Choosing the Right Parts for Franklin Electric Control Box
Selecting the correct component requires attention to horsepower, voltage, and specific part numbers. Below are the key factors to consider.
Match Horsepower and Voltage
Franklin control boxes are designed for specific motor sizes. A 1 HP control box will not work with a 1/2 HP pump. Always verify the horsepower and voltage rating on your existing box. For example, the Control Box, 1 1/2HP, 230V, 1Phase is built for 1.5 HP motors, while the Control Box, 3/4HP, 230V, 1Phase suits smaller systems. Using the wrong rating can damage your pump or cause intermittent operation.
Capacitor Type and Microfarad Rating
Start capacitors are common failure points. They come in different microfarad (MFD) ranges. For Franklin 1.0 to 2.0 HP boxes, a 105-126 MFD capacitor like the 105-126 MFD (uF) Motor Start Capacitor Well Pump is a direct fit. For 1/2 and 3/4 HP systems, a 59-71 MFD unit is required. Always check your old capacitor’s markings before ordering.
Relay Compatibility for Larger Pumps
If your pump is 5 HP or larger, you may need a replacement relay. The RVAH2ALKL Well Pump Relay Fits Franklin 5 to 15 HP is designed for 230V control boxes. Ensure the relay matches your control box model number to avoid miswiring. For more on pump control systems, visit our Pump Controls category.
Enclosure Type and Mounting
Most Franklin control boxes use a Type 3R enclosure for outdoor or pole mounting. If your box is exposed to rain or dust, verify the enclosure rating. The FRANKLIN ELECTRIC 1 HP Submersible Water Pump Control Box is a rugged option that fits standard installations. For quieter operation, consider pairing with a quiet well pump.
Final Thoughts
Whether you need a complete control box or a simple capacitor, choosing the right parts for Franklin Electric control box ensures your well pump runs reliably for years. For most homeowners with 1 to 2 HP pumps, the Control Box, 1 1/2HP, 230V, 1Phase offers a perfect balance of durability and compatibility, while the 105-126 MFD (uF) Motor Start Capacitor Well Pump is an affordable fix for a failed start component. Always double-check your motor specifications before purchasing.
Frequently Asked Questions
How do I know if my Franklin control box capacitor is bad?
Common signs include the pump humming but not starting, or the motor drawing high amps. You can also measure the capacitance with a multimeter if you have experience. A visibly swollen or leaking capacitor should be replaced immediately.
Can I use a generic capacitor in a Franklin control box?
Yes, as long as the microfarad and voltage ratings match. Many aftermarket capacitors like the 105-126 MFD (uF) Motor Start Capacitor Compatible are designed to replace Franklin part #275464118. Ensure the physical size fits inside your control box.
What is the difference between a start capacitor and a run capacitor?
Start capacitors provide a high torque boost during motor startup and are typically used for a few seconds. Run capacitors stay in the circuit continuously to improve efficiency. Franklin control boxes usually use start capacitors only. For more details, see our Replacement & Parts guide.
Do I need a professional to replace a control box part?
If you are comfortable with basic electrical work and can safely disconnect power, replacing a capacitor or relay is straightforward. For complete control box swaps, especially on larger pumps, hiring a licensed electrician is recommended to ensure proper wiring and safety.
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