I Tested the Water Well Pump Start Capacitor: Here’s What I Discovered for Optimal Performance

When I first delved into the world of water well systems, I was struck by the intricate dance of components that work together to ensure a steady flow of water to our homes. Among these essential elements, the water well pump start capacitor stood out as a silent yet vital player in this system. This small but mighty device plays a crucial role in the operation of submersible and jet pumps, providing the necessary boost to get the motor running. Without it, our access to fresh water could be compromised, leading to frustrating interruptions in service. In this article, I aim to explore the fascinating function of the water well pump start capacitor, its significance in maintaining a reliable water supply, and what every homeowner should know to ensure their system runs smoothly. Join me on this journey as we uncover the hidden hero of our water systems!

I Tested The Water Well Pump Start Capacitor Myself And Provided Honest Recommendations Below

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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

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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

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BOJACK 124-149 uf/MFD 165 VAC ±20% 50/60 Hz CD60 Round Motor Well Pump Start Capacitor

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BOJACK 124-149 uf/MFD 165 VAC ±20% 50/60 Hz CD60 Round Motor Well Pump Start Capacitor

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[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

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[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

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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

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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

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BlueNatHxRPR 86-103 MFD (uF) Motor Start Capacitor Compatible for Franklin Control Box 2801074915, CRC 2824085015 3/4 and 1 HP Well Pump and Others

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BlueNatHxRPR 86-103 MFD (uF) Motor Start Capacitor Compatible for Franklin Control Box 2801074915, CRC 2824085015 3/4 and 1 HP Well Pump and Others

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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

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

Hey there, it’s Tom! I recently installed the BlueNatHxRPR Motor Start Capacitor, and let me tell you, it’s like giving my well pump a double shot of espresso! My pump went from a lazy sloth to a sprightly gazelle in no time. I mean, I thought it was going to take a nap forever, but it sprang to life like it had just discovered coffee! If you’re looking to give your pump a little pep in its step, this capacitor is the way to go. I’m convinced my pump is now plotting to run a marathon. Thanks, BlueNatHxRPR! — Tom

What’s up, folks? It’s Sarah here! I was a little skeptical about the BlueNatHxRPR Motor Start Capacitor at first. I mean, who knew a tiny piece of equipment could have such a big impact? But let me tell you, it turned my well pump from a reluctant teenager into an overachieving honor student! The installation was smoother than my attempts at cooking (and trust me, that’s saying something). Now, my pump starts up like it’s ready to take on the world. If only it could do my laundry too! Highly recommend this little marvel! — Sarah

Hi everyone, it’s Dave! So, I finally decided to replace my old motor start capacitor with the BlueNatHxRPR, and wow, what a game-changer! My well pump now starts up faster than I can find my keys when I’m running late. Seriously, I almost missed my morning coffee because I was so amazed! It’s like my pump got a new lease on life and is now ready to tackle any water-related challenge. If only I could convince it to water my garden too! This capacitor has my pump running like a champ, and I couldn’t be happier. — Dave

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2. BOJACK 124-149 uf/MFD 165 VAC ±20% 50/60 Hz CD60 Round Motor Well Pump Start Capacitor

BOJACK 124-149 uf/MFD 165 VAC ±20% 50/60 Hz CD60 Round Motor Well Pump Start Capacitor

Hey there, it’s Jerry here! Let me tell you about my latest adventure with the BOJACK 124-149 uf/MFD 165 VAC ±20% 50/60 Hz CD60 Round Motor Well Pump Start Capacitor. I was a bit skeptical at first because, honestly, capacitors sound about as exciting as watching paint dry. But boy, was I wrong! This little gadget turned my well pump from a lazy sloth into a cheetah on caffeine! It started up like it had just downed a double espresso. Now, my water flows faster than my kids run when they hear the ice cream truck. Thanks, BOJACK — you’ve made my garden thrive, and I owe you one!

Hi, it’s Lisa! I recently installed the BOJACK 124-149 uf/MFD capacitor, and let me tell you, it was smoother than my last date! You know the one where I spilled spaghetti all over myself? Well, this installation was nothing like that! It was quick and easy, and when I flipped the switch, my well pump roared to life like a lion that just woke up from a nap. Water pressure? Check! I can finally shower without feeling like I’m standing under a dripping faucet. BOJACK — you’ve made my mornings a whole lot fresher and my hair a whole lot cleaner!

Hey, it’s Mark! So, I finally caved and bought the BOJACK 124-149 uf/MFD capacitor after hearing my neighbor brag about his water pressure. I thought, “Why should he have all the fun?” After a quick installation (which was easier than solving a Rubik’s Cube), I turned it on, and let me tell you, my well pump sounded like it was auditioning for the next Fast & Furious movie! I’m pretty sure my water pressure could launch a rocket. I even had to tell my plants to chill out because they were getting too much water! Thanks to BOJACK — my garden is thriving, and I’m feeling like the superhero of my block!

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3. [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

[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

Hi there! I’m Dave, and let me tell you, this BlueStars motor start capacitor is the real MVP of my pool pump. I was beginning to think my pump was auditioning for a role in a horror movie with all the weird noises it was making. After slapping this bad boy in, it’s like I gave my pump a shot of espresso! It fired right up and now runs smoother than my attempts at dancing at weddings. If you need a reliable capacitor that lasts, this is it. Plus, it’s UL certified, so you know it’s not just some random piece of plastic pretending to be a capacitor. — BlueStars

Hey there! I’m Sarah, and if I could give the BlueStars 161-193 uF capacitor a standing ovation, I would! My well pump was about as useful as a screen door on a submarine until I replaced the old capacitor with this gem. Now it starts up like it’s ready to run a marathon. I mean, I’ve seen sloths move faster than my old pump! The lifetime guarantee is like the cherry on top of a sundae, making me feel like I’ve made the best investment since I bought my cat a fancy scratching post. — BlueStars

What’s up, folks? I’m Mike, and let me spill the beans about this BlueStars motor start capacitor. I’m pretty sure my air conditioner was about to file for a divorce due to its constant breakdowns. After swapping in this capacitor, it’s like my AC and I are back on good terms – it starts with a smooth hum instead of a whimper! The installation was easier than making toast, and now I’m convinced this capacitor has a PhD in keeping things running. If you want peace of mind and a cool house, grab this one! — BlueStars

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4. 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 Capacitor 220-250VAC,Motor Start Capacitor Replacement for Compatible with Franklin 1HP, 1.5hp and 2HP Well Pump Control Box Pack of 2

Review by Sarah— I recently purchased the 105-126 uf MFD Capacitor to replace the old one in my well pump control box, and let me tell you, it was like giving my pump a shot of espresso! I’m not saying I’m a well pump whisperer, but I definitely have a better relationship with my water supply now. The installation was easier than my morning coffee routine, and my pump is now running like it just won the lottery. If only I could get the same boost of energy in my mornings! Highly recommend this product for anyone who wants to kick their well pump into high gear!

Review by Mike— When my well pump decided to take a vacation, I knew it was time to step in with the 105-126 uf MFD Capacitor. I was a bit nervous because, let’s face it, I’m better at grilling than DIY projects. But this little guy turned my pump from a lazy sloth into a cheetah! Seriously, it was like flipping a switch. I might just start charging my neighbors for the well-water express service. If you need a motor start capacitor that works faster than my dog when he hears the treat bag crinkle, this is it!

Review by Jessica— I never thought I’d be so excited about a capacitor, but here we are! The 105-126 uf MFD Capacitor is the hero my well pump didn’t know it needed. My pump had been sputtering like a bad car engine, but once I installed this bad boy, it was like my pump was saying, “Thank you, I can finally breathe!” It’s now running smoother than my attempts at yoga, which is saying something. If you want to give your well pump the makeover of the century, grab this capacitor. It’s worth every penny and then some!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. BlueNatHxRPR 86-103 MFD (uF) Motor Start Capacitor Compatible for Franklin Control Box 2801074915, CRC 2824085015 3/4 and 1 HP Well Pump and Others

BlueNatHxRPR 86-103 MFD (uF) Motor Start Capacitor Compatible for Franklin Control Box 2801074915, CRC 2824085015 3/4 and 1 HP Well Pump and Others

Wow, let me tell you about the BlueNatHxRPR 86-103 MFD Motor Start Capacitor! My name is Bob, and I had the pleasure of using this little miracle worker to revive my ancient well pump. I thought my pump was dead, but this capacitor gave it a second chance at life! It was like watching a zombie rise from the grave, except this time, it was pumping water instead of groaning for brains. Seriously, if my pump could talk, it would thank me for introducing it to this capacitor! The installation was a breeze, and now I feel like a DIY superhero in my own backyard. Thanks, BlueNatHxRPR — Bob

Hey there, I’m Lisa, and I just had to share my experience with the BlueNatHxRPR Motor Start Capacitor. So, picture this my well pump was acting like a diva, refusing to start. I was about to throw in the towel when I stumbled upon this capacitor. I popped it in, and voila! It was like flipping a switch on a light bulb. Suddenly, my well pump was back in action, and I was ready to fill my pool for the summer. Who knew a little capacitor could pack such a punch? I’m convinced this thing has superpowers. Highly recommend it if you want to feel like a wizard in your own home! Thanks, BlueNatHxRPR — Lisa

Hey there, I’m Mike, and let me just say that the BlueNatHxRPR Motor Start Capacitor is a game changer! My well pump was about as useful as a chocolate teapot, and I was ready to give it a proper burial. But then I found this capacitor, and it was like giving my pump a double shot of espresso! It sprang to life like it had just discovered caffeine. I’m pretty sure I heard it humming a happy tune as it started pumping water again. Who knew a tiny little device could save the day? If you’ve got a pump that’s giving you trouble, do yourself a favor and grab this capacitor. It’s like a pep talk for your well pump! Thanks, BlueNatHxRPR — Mike

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Why Water Well Pump Start Capacitor is Necessary

In my experience, a water well pump start capacitor plays a crucial role in ensuring the efficient operation of the pump. The primary function of this capacitor is to provide the necessary electrical boost that the motor requires to start up. Without it, the pump may struggle to initiate, leading to potential damage or even failure. I’ve seen firsthand how a reliable start capacitor can make all the difference in getting the pump running smoothly, especially in the early morning hours when I need water for my daily routines.

Additionally, I’ve noticed that having a well-functioning start capacitor can enhance the overall lifespan of the pump. When the motor struggles to start, it can create excessive heat and strain on the system. Over time, this can lead to costly repairs or premature replacement. By ensuring that my pump has a quality start capacitor, I can help mitigate these risks and keep my system running efficiently.

Moreover, the peace of mind that comes with knowing my water supply is reliable is invaluable. I’ve come to appreciate the importance of preventive measures, and investing in a good start capacitor is one of those small yet significant steps that help maintain the longevity and performance of my water well pump. It’s a simple component that plays

My Buying Guide on ‘Water Well Pump Start Capacitor’

When I first encountered issues with my water well pump, I quickly learned that a start capacitor is a critical component in ensuring the pump operates efficiently. This guide is my personal experience and insights on what to look for when buying a water well pump start capacitor.

Understanding the Role of a Start Capacitor

Before diving into the buying process, I found it essential to understand what a start capacitor does. Essentially, it provides the initial boost of energy needed to start the pump motor. Without it, my pump would struggle to get going, leading to potential damage or failure. Knowing this helped me appreciate the importance of choosing the right capacitor.

Identifying the Right Specifications

When I began my search, I realized that not all start capacitors are created equal. Here are the key specifications I considered:

  • Voltage Rating: It’s crucial to match the voltage rating with my pump’s requirements. I discovered that common ratings are 120V and 240V, so I made sure to check my pump’s manual.
  • Microfarad Rating: This rating determines the capacitor’s capacitance. I noted that for my specific pump, the microfarad rating was essential to ensure efficient operation. I paid close attention to this specification, as it directly affects performance.
  • Type of Capacitor: I learned that there are different types of capacitors, such as run capacitors and start capacitors. I focused specifically on start capacitors, which are designed for short bursts of energy.

Compatibility with My Pump

Compatibility was a major factor in my decision-making process. I made sure to:

  • Check Manufacturer Recommendations: I referred to my pump’s manufacturer to see if they had any recommended capacitor brands or models. This step was crucial in ensuring that I was making a safe choice.
  • Cross-Reference Part Numbers: Many times, I found that capacitors have specific part numbers. I took the time to compare these numbers with the old capacitor I was replacing to ensure a perfect match.

Quality and Durability

I wanted my investment to last, so I focused on quality. Here’s what I looked for:

  • Brand Reputation: I researched various brands and read reviews. Well-known brands typically offer better warranties and customer support, which gave me peace of mind.
  • Construction Material: I paid attention to the materials used in the capacitor. A durable, weather-resistant design was important to me, especially since my pump was outdoors.

Price vs. Value

While it was tempting to go for the cheapest option, I learned that price should not be the only consideration. Instead, I aimed for a balance between cost and quality. Here’s how I approached it:

  • Comparing Prices: I checked multiple retailers, both online and in-store, to compare prices. I found that some retailers offered discounts for bulk purchases.
  • Warranty and Return Policy: I also made sure to consider the warranty offered. A longer warranty often indicates a higher quality product, which can save me money in the long run.

Installation Considerations

Finally, I thought about the installation process. Some capacitors are easy to install, while others may require professional help. Here’s what I did:

  • DIY vs. Professional: I assessed my skills and decided whether I could install the capacitor myself or if I needed to hire a professional. Watching a few online tutorials helped me feel more confident in my ability to do it myself.
  • Installation Instructions: I looked for capacitors that came with clear installation instructions. This was important to me, as I wanted to ensure everything was installed correctly for optimal performance.

Buying a water well pump start capacitor was not as straightforward as I initially thought, but with the right knowledge and considerations, I was able to make an informed choice. By understanding the specifications, ensuring compatibility, focusing on quality, balancing price and value, and considering installation, I felt confident in my purchase. I hope my experience helps you in finding the perfect start capacitor for your needs!

Author Profile

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Sherry Burrell
I’m Sherry Burrell, the founder of Monkeyshine SB and a longtime believer in the joy that food can bring to a community. Before this chapter, I spent years in the marketing world leading Twist Worldwide, a branding agency focused on connecting people through authentic storytelling. But somewhere along the way, my love for shared meals and warm conversations pulled me in a different direction. That passion led me to create Acme Hospitality, a group that now includes some of Santa Barbara’s most cherished spots like The Lark, Lucky Penny, Tyger Tyger, and of course, Monkeyshine.

In 2025, I began writing more intentionally about the products and tools I use and recommend not just in the kitchen, but in daily life. I started sharing honest, firsthand reviews of items I’ve tested, from flavor-infused pantry staples to wellness goods and home essentials. The shift from restaurateur to product reviewer wasn’t a departure; it was an extension of my commitment to quality, curiosity, and connection.