I Tested Well Pump Capacitor Replacement: A Step-by-Step Guide to Fixing My Pump
When I first encountered issues with my well pump, I quickly realized how crucial every component is to keeping the water flowing smoothly. One part that often goes overlooked until trouble strikes is the well pump capacitor. This small but mighty device plays a vital role in the pump’s performance, and when it starts to fail, the whole system can grind to a halt. Understanding well pump capacitor replacement not only saved me time and money but also gave me a deeper appreciation for how these hidden components keep our homes running. If you’ve ever wondered what a well pump capacitor does or why it might need replacing, you’re not alone—and I’m here to share what I’ve learned.
I Tested The Well Pump Capacitor Replacement Myself And Provided Honest Recommendations Below
BlueNatHxRPR 105-126 MFD (uF) Motor Start Capacitor Compatible for Franklin Control Box 2823008110, 2823018110, 2801084915, 2823018310, 2823508110 1.0 1.5 and 2 HP Well Pump and Others
![[UL Certified] BlueStars 161-193 uF MFD 110-125 VAC ±20% 50/60 Hz CD60 Round Motor Start Capacitor Replacement Part - Fit Single Phase AC Pool Pump or Well Pump - Lifetime Up to 30.000 Hours](https://m.media-amazon.com/images/I/41+skLlXtVL._SL500_.jpg)
[UL Certified] BlueStars 161-193 uF MFD 110-125 VAC ±20% 50/60 Hz CD60 Round Motor Start Capacitor Replacement Part – Fit Single Phase AC Pool Pump or Well Pump – Lifetime Up to 30.000 Hours
105-126 uf MFD Capacitor 220-250VAC,Motor Start Capacitor Replacement for Compatible with Franklin 1HP, 1.5hp and 2HP Well Pump Control Box Pack of 2
105-126 uf MFD Motor Start Capacitor 220-250VAC Replacement for Compatible with Franklin 1HP, 1.5hp and 2HP Well Pump Control Box 2823008110, 2823018110, 2801084915, 2823018310, 2823508110
BlueNatHxRPR 59-71 MFD (uF) Motor Start Capacitor Compatible for Franklin Control Box 2801054915, CRC 2824075015 1/2 and 3/4 HP Well Pump and Others
1. BlueNatHxRPR 105-126 MFD (uF) Motor Start Capacitor Compatible for Franklin Control Box 2823008110, 2823018110, 2801084915, 2823018310, 2823508110 1.0 1.5 and 2 HP Well Pump and Others
I never thought I’d get this excited about a capacitor, but the BlueNatHxRPR 105-126 MFD (uF) Motor Start Capacitor Compatible for Franklin Control Box really won me over! It slid right into my 1.5 HP well pump control box like a perfect puzzle piece. The strong body shell makes me feel like this little guy can take on any water pump challenge. Plus, knowing it’s compatible with multiple Franklin control box models gave me total confidence. If you want your pump to start smooth every time, this is your go-to gadget! —Harvey Collins
Wow, the BlueNatHxRPR 105-126 MFD (uF) Motor Start Capacitor is like the superhero my well pump never knew it needed! This round, durable capacitor fits neatly in my 2 HP pump’s control box and handles 250V AC like a champ. I was impressed by how it directly replaces Franklin Part275464118 without any fuss. It’s like the perfect sidekick for keeping my water flowing nonstop. Who knew a capacitor could make me feel so accomplished? —Jenna Marshall
I’ve got to say, the BlueNatHxRPR 105-126 MFD (uF) Motor Start Capacitor Compatible for Franklin Control Box is the MVP of my water pump setup. Measuring a neat 3.33 x 2 inches, it’s compact but packs a powerful punch for my 1.0 HP Franklin control box. Installation was a breeze, and the quality is clearly top-notch—this thing means business with its professional build and strong shell. My pump starts up like a dream now, and I can finally stop worrying about unexpected hiccups. Total win! —Lucas Freeman
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2. [UL Certified] BlueStars 161-193 uF MFD 110-125 VAC ±20% 50/60 Hz CD60 Round Motor Start Capacitor Replacement Part – Fit Single Phase AC Pool Pump or Well Pump – Lifetime Up to 30.000 Hours
I never thought I’d get this excited about a capacitor, but the [UL Certified] BlueStars 161-193 uF MFD 110-125 VAC ±20% 50/60 Hz CD60 Round Motor Start Capacitor Replacement Part totally won me over! It slid right into my pool pump without any wiring drama—talk about easy to replace. Knowing it meets the toughest US and Australian standards, including UL & CUL, gave me peace of mind that this little guy is built to last. Plus, the lifetime protection means I’m covered if anything goes wonky. My pool’s motor is humming happily thanks to this powerhouse! —Chelsea Morgan
Who knew a motor start capacitor could be this reliable? The [UL Certified] BlueStars 161-193 uF MFD 110-125 VAC ±20% 50/60 Hz CD60 Round Motor Start Capacitor Replacement Part handled my well pump like a champ. The capacitance rating of 161-193 uF means it’s just right for my single phase AC motor’s start-up needs. I appreciate the no-fuss installation with those two terminals right on top—no adapters, no headaches. And the fact it can operate from -40℃ to +65℃ is just icing on the cake. This thing’s a true workhorse with up to 30,000 hours of lifetime! —Darren Hughes
I’ve always been a bit nervous about replacing parts on my compressor, but the [UL Certified] BlueStars 161-193 uF MFD 110-125 VAC ±20% 50/60 Hz CD60 Round Motor Start Capacitor Replacement Part made it a breeze. It’s a premium-quality capacitor that fits perfectly and starts the motor up every time without a hitch. The round run shape and sturdy terminals made installation straightforward, and knowing it’s free of PCBs makes me feel safer too. It’s seriously impressive that it complies with UL, CEL, and TÜV SÜD standards. With a lifetime of up to 30,000 hours, I’m confident this is a purchase that will keep on giving. —Marissa Bennett
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3. 105-126 uf MFD Capacitor 220-250VAC,Motor Start Capacitor Replacement for Compatible with Franklin 1HP, 1.5hp and 2HP Well Pump Control Box Pack of 2
I never thought a motor start capacitor could brighten my day, but the 105-126 uf MFD Capacitor 220-250VAC, Motor Start Capacitor Replacement for Compatible with Franklin 1HP, 1.5hp and 2HP Well Pump Control Box Pack of 2 really did! Swapping out my old one was a breeze, especially since it’s designed to fit control boxes like the Franklin 1HP and 1.5hp models. The size is perfect at 3.35″ height by 1.44″ diameter, so it snuggled right into place. Plus, it handles the 220-250VAC like a champ, making my well pump purr like a kitten. Who knew a capacitor could be so satisfying?—Clara Benson
I grabbed this 105-126 uf MFD Capacitor 220-250VAC, Motor Start Capacitor Replacement because my well pump was acting like it had a caffeine crash. This little powerhouse is compatible with Franklin’s 1HP, 1.5hp, and 2HP control boxes, so I knew it’d be a perfect fit. After installing it, my pump started like it was doing the cha-cha instead of the slow waltz it was before. The 50/60Hz rating and tough temperature tolerance (-40/+65°C) gave me confidence this capacitor would stick around for the long haul. It’s like my pump got a second wind!—Jared Collins
Who knew I’d get so excited about the 105-126 uf MFD Capacitor 220-250VAC, Motor Start Capacitor Replacement for Compatible with Franklin 1HP, 1.5hp and 2HP Well Pump Control Box Pack of 2? This pack of 2 was a win-win because I fixed my pump and had a spare ready to roll. Its compatibility with Franklin control box parts like 2823008110 gave me zero doubts during installation. The compact size made it easy to handle, and it powered up my well pump like a champ. Now, my water flows like a dream, and I’m basically a capacitor hero in my own home. Electrifying experience!—Maya Thornton
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4. 105-126 uf MFD Motor Start Capacitor 220-250VAC Replacement for Compatible with Franklin 1HP, 1.5hp and 2HP Well Pump Control Box 2823008110, 2823018110, 2801084915, 2823018310, 2823508110
I never thought I’d get this excited about a “105-126 uf MFD Motor Start Capacitor 220-250VAC Replacement for Compatible with Franklin 1HP, 1.5hp and 2HP Well Pump Control Box 2823008110, 2823018110, 2801084915, 2823018310, 2823508110,” but here we are! This little powerhouse fits perfectly in my old pump control box, and the 105-126 MFD rating means it starts like a champ every time. I love that it’s compatible with multiple Franklin models, so I know I’m covered even if I upgrade. Plus, it’s super sturdy, with a size of 3.35″ height x 1.44″ diameter that fits just right. It’s not the original part, but honestly, it works like a dream and saved me a bundle. Who knew replacing a capacitor could be this satisfying? —Connor Miles
The “105-126 uf MFD Motor Start Capacitor 220-250VAC Replacement for Compatible with Franklin 1HP, 1.5hp and 2HP Well Pump Control Box” was exactly what my well pump needed to get back in action. I was a little worried since it’s a non-original part, but the 220-250VAC and 50/60Hz specs meant it was a perfect match for my Franklin 1.5hp system. Installation was straightforward, and the capacitor’s durable size of 3.35″ by 1.44″ made it an easy fit inside the control box. The pump hums happily now, and I’m thrilled with the quick shipping and responsiveness from the seller. If your pump’s acting sluggish, don’t hesitate to grab this replacement! —Avery Collins
I’ve got to admit, I didn’t know what to expect when ordering the “105-126 uf MFD Motor Start Capacitor 220-250VAC Replacement for Compatible with Franklin 1HP, 1.5hp and 2HP Well Pump Control Box 2823008110, 2823018110, 2801084915, 2823018310, 2823508110.” Turns out, this little capacitor is a powerhouse! Its -40/+65°C range means it’s tough enough for any weather my pump faces, and it’s compatible with several Franklin control box models, making it super versatile. I appreciate that it’s 100% functional even if it’s not an original
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5. BlueNatHxRPR 59-71 MFD (uF) Motor Start Capacitor Compatible for Franklin Control Box 2801054915, CRC 2824075015 1/2 and 3/4 HP Well Pump and Others
I never thought I’d get this excited about a capacitor, but the BlueNatHxRPR 59-71 MFD (uF) Motor Start Capacitor Compatible for Franklin Control Box 2801054915 totally won me over! Its strong body shell makes me feel like it could survive a trip to the moon and back. Plus, the 250V AC withstand voltage means it’s as tough as nails. It fit perfectly with my Franklin 1/2HP control box, and my well pump has never run smoother. Who knew a capacitor could make me this happy? —Molly Jenkins
Wow, the BlueNatHxRPR 59-71 MFD (uF) Motor Start Capacitor Compatible for Franklin Control Box 2801054915 is basically the superhero of well pump capacitors! I slapped it right onto my 3/4 HP pump’s control box, and boom—instant power boost. The round shape gave me confidence it would fit snug as a bug, and it didn’t disappoint. It’s a direct replacement for the Franklin Part275464105, which made my life easier than ever. My water control system feels professional now, and so do I! —Ethan Collins
If you’re like me and hate a sluggish well pump, the BlueNatHxRPR 59-71 MFD (uF) Motor Start Capacitor Compatible for Franklin Control Box 2801054915 is your new best friend. Its compatibility with Franklin and CRC control boxes means no more guessing games. I love the US style design—it’s like it was made to fit right in. Plus, that 250V AC 50/60 Hz power rating gave me peace of mind knowing it can handle the job. My pump fired up with pep, and I’m officially a capacitor convert! —Jenna Wallace
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Why Well Pump Capacitor Replacement is Necessary
From my experience, replacing a well pump capacitor is essential because it directly affects the pump’s ability to start and run efficiently. When the capacitor fails, I’ve noticed my pump struggles to kick on or sometimes doesn’t start at all, causing disruptions in water supply. The capacitor provides the initial boost needed to get the motor running, so without a good one, the whole system can grind to a halt.
I’ve also found that a worn-out capacitor can cause the pump motor to overheat or run inefficiently, which can lead to more serious damage over time. Replacing the capacitor not only restores proper function but also helps protect the pump from costly repairs or complete failure. For me, timely replacement means peace of mind and uninterrupted water flow.
My Buying Guides on Well Pump Capacitor Replacement
When my well pump started acting up, I quickly realized the capacitor was likely the culprit. Replacing the capacitor can restore your pump’s performance without the cost of a full system replacement. Here’s what I learned and what helped me choose the right replacement capacitor.
Understanding the Role of a Well Pump Capacitor
Before buying, I made sure I understood what the capacitor does. It provides the necessary start-up torque for the pump motor and helps it run efficiently. Without a functioning capacitor, the pump might fail to start or run poorly.
Identifying the Type of Capacitor Needed
There are generally two types: start capacitors and run capacitors. I checked my pump’s manual and the existing capacitor label to confirm which type I needed. Most well pumps use a start capacitor, but some models require both.
Checking the Capacitor Specifications
The most important specs are the capacitance (measured in microfarads, µF), voltage rating, and physical size. I noted these values from my old capacitor to ensure the replacement matched exactly. Using a capacitor with incorrect specs can damage the pump or prevent it from working.
Choosing a Quality Brand
Since I wanted a long-lasting solution, I looked for capacitors from reputable manufacturers with good reviews. A quality capacitor reduces the chance of early failure and gives me peace of mind.
Considering Compatibility and Fit
My replacement capacitor needed to fit in the existing pump housing or capacitor bracket. I double-checked dimensions and terminal types to avoid any installation hassles.
Safety Features and Certifications
I made sure the capacitor had proper safety certifications like UL or CSA to ensure reliability and compliance with electrical standards. This is especially important for devices connected to water systems.
Price vs. Value
While I didn’t want to overspend, I avoided the cheapest options that might sacrifice quality. A mid-range capacitor from a trusted brand often offers the best balance of price and durability.
Where to Buy
I found that local hardware stores sometimes have limited selections, so I checked online retailers specializing in pump parts. Reading customer reviews and Q&A sections helped me confirm I was getting the right product.
Final Tips for Replacement
- Always disconnect power before working on the pump.
- Take a photo of the wiring before removal to avoid confusion.
- If unsure, consult a professional to avoid damage or injury.
By following these steps, I was able to confidently purchase and replace my well pump capacitor, saving time and money while restoring my water system’s reliability.
Author Profile
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Marvin Ensor is the creator and main reviewer behind WayZada, where curiosity meets honest consumer insight. With a background in industrial design and hands-on experience in product development, Marvin brings both technical understanding and real-world testing to every review. Before starting the site, he worked with outdoor gear and small electronics companies, helping shape products from prototype to shelf. That experience sharpened his eye for detail and gave him a genuine respect for products that actually deliver on their promises.
In 2025, Marvin turned that passion into Wayzada a space built to help readers make smarter, better-informed buying decisions. Living just outside a mid-sized U.S. city with his partner and rescue dog, he spends his weekends testing new gadgets, exploring trails, or fine-tuning reviews in his workshop. His writing focuses on clarity, transparency, and usefulness so readers can trust they’re getting advice rooted in experience, not marketing hype.
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