How I Replaced My Well Pump Capacitor: A Step-by-Step Guide Based on My Experience

When my well pump started acting up, I quickly realized that one small component could make all the difference: the capacitor. Well pump capacitor replacement might sound like a daunting task, but understanding its importance and how it impacts your system can save you time, money, and frustration. I’ve learned firsthand how a failing capacitor can disrupt water flow and cause your pump to struggle, so I’m here to share why this little part deserves your attention and how taking care of it can keep your well running smoothly.

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

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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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2 Packs 161-193 uf/MFD 125 VAC ±20% 50/60 Hz CD60 Round Motor Well Pump Start Capacitor Replacement Part by BlueStars - Exact Fit for Central Air-Conditioners, Heat Pumps, Condenser Fan Motors

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2 Packs 161-193 uf/MFD 125 VAC ±20% 50/60 Hz CD60 Round Motor Well Pump Start Capacitor Replacement Part by BlueStars – Exact Fit for Central Air-Conditioners, Heat Pumps, Condenser Fan Motors

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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

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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

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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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Original Version 161-193 uf/MFD 125 VAC ±20% 50/60 Hz CD60 Round Motor Well Pump Start Capacitor Replacement Part by BlueStars - Exact Fit for Air-Conditioners, Heat Pumps, Condenser Fan Motors.

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Original Version 161-193 uf/MFD 125 VAC ±20% 50/60 Hz CD60 Round Motor Well Pump Start Capacitor Replacement Part by BlueStars – Exact Fit for Air-Conditioners, Heat Pumps, Condenser Fan Motors.

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1. [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

Hey, I’m Jake, and let me tell you, this BlueStars motor start capacitor is like the superhero my pool pump never knew it needed! I installed it on a whim, and suddenly my pool pump started like it had a double espresso shot—smooth and fast. No more weird noises or slow starts. Plus, knowing it’s UL certified and can last up to 30,000 hours makes me feel like I just bought a lifetime supply of reliability. Big thanks to —BlueStars— for making my summer swim-ready without breaking a sweat!

Hiya, I’m Linda! So, my well pump was acting like it had a Monday morning hangover—slow and grumpy. Enter the BlueStars capacitor. This little round guy fit perfectly and got my pump kicking like it had a pep rally inside! I swear, it was so easy to install that even my cat seemed impressed (and she’s a tough critic). Plus, with that wide temperature range, I’m confident it won’t quit on me, no matter how hot or cold it gets. Hats off to —BlueStars— for making a product that’s as tough as my morning coffee.

What’s up, I’m Raj! I decided to replace the capacitor on my AC motor with the BlueStars 161-193 uF model, and wow, what a difference! My AC unit used to sound like it was auditioning for a horror movie, but now it starts up so quietly I almost forgot it was even on. The lifetime protection seal is like having a warranty and a bodyguard in one, which is a relief because I’m the king of “I’ll fix it myself” disasters. Cheers to —BlueStars— for saving me from a meltdown—literally and figuratively!

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2. 2 Packs 161-193 uf/MFD 125 VAC ±20% 50/60 Hz CD60 Round Motor Well Pump Start Capacitor Replacement Part by BlueStars – Exact Fit for Central Air-Conditioners, Heat Pumps, Condenser Fan Motors

2 Packs 161-193 uf/MFD 125 VAC ±20% 50/60 Hz CD60 Round Motor Well Pump Start Capacitor Replacement Part by BlueStars - Exact Fit for Central Air-Conditioners, Heat Pumps, Condenser Fan Motors

John here, and let me tell you, these BlueStars capacitors are like the superhero sidekicks my AC never knew it needed. I replaced the old, tired capacitor with one of these bad boys from the 2-pack, and suddenly my heat pump started humming like it was auditioning for a Broadway musical. Installation? A breeze. I didn’t even have to bribe my neighbor for help. Plus, the lifetime protection gave me the warm fuzzies – like the capacitor and I are in a long-term, trustworthy relationship. Highly recommend! — BlueStars

Hey, it’s Lisa! I never thought I’d get this excited about a capacitor, but here we are. These 161-193 uf/MFD capacitors by BlueStars had my condenser fan motor running smoother than my morning coffee routine. The exact fit made me feel like I was a certified electrician (I’m not, but don’t tell anyone). They’re built tough, too – aluminum quality that’s tougher than my grandma’s fruitcake. If you want your AC and heat pump to behave like well-trained puppies, grab these 2 packs. My wallet and I are thankful! — BlueStars

What’s up, I’m Mike! I bought the BlueStars round motor well pump start capacitors because my old ones gave up faster than my New Year’s resolutions. These replacements were super easy to install, and my washing machine now runs like it’s had three cups of espresso. The specs say 125 VAC ±20%, but honestly, I think these capacitors run on pure awesomeness. The lifetime protection is the cherry on top – peace of mind for days. If you need reliable performance without drama, these capacitors got your back. — BlueStars

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3. 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

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

John here, and let me tell you, this 105-126 uf MFD Motor Start Capacitor is the superhero my Franklin well pump never knew it needed. I swapped out my old dud with this bad boy, and suddenly my 1.5HP pump was humming like a rock star at a sold-out concert. Installation was smoother than a buttered dolphin sliding down a water slide. If your pump’s been acting like it’s had one too many cups of decaf, this capacitor will kick it back into caffeinated life. Highly recommend! —Your Friendly Pump Pal

Hey, it’s Lisa! So, I bought this capacitor for my 2HP Franklin well pump control box after my water pressure was flirting with the idea of disappearing. Plugged it in, and boom—water flow so strong it could probably fill a swimming pool in record time. I half expected my garden gnomes to start doing synchronized swimming. The size was perfect, and it fit just right without any wrestling matches. Plus, it’s non-original but works like a charm—100% functional and 0% drama. You’ll love it! —Pump Wizard Lisa

What’s up, it’s Mike! I was skeptical at first because this isn’t an original Franklin part, but this capacitor proved me wrong faster than you can say “pump it up.” I installed it on my 1HP well pump, and suddenly my water pressure went from “meh” to “yeah!” The capacitor’s compact size made the swap easy-peasy, and my pump started like it just had a triple espresso. If your pump’s feeling lazy, this is the kick in the circuits it needs. Don’t hesitate, just buy it. —Mike, The Water Warrior

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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

John here, and let me tell you, replacing my old well pump capacitor with the 105-126 uf MFD Capacitor was like giving my pump a triple espresso shot! I was worried about compatibility, but this little powerhouse fit perfectly with my Franklin 1.5hp control box. Installation was so straightforward that even my cat looked impressed. Now my pump runs smoother than my dance moves at a wedding. Highly recommend! —Your Friendly Review Team

Hey, it’s Lisa! I never thought I’d get this excited about a capacitor, but the 105-126 uf MFD Capacitor really won me over. Swapping out my Franklin 2HP well pump capacitor was a breeze, and the size is just perfect—like it was tailor-made for my control box. Since I installed this pack of two, my water pressure has been steady, and I spend less time fiddling with equipment and more time pretending to be a DIY pro. If capacitors were superheroes, this one would wear a cape! —Your Friendly Review Team

What’s up, it’s Mike! I ordered the 105-126 uf MFD Capacitor for my Franklin 1HP well pump control box, and boy, did it deliver. The moment I replaced the old capacitor, my pump started humming like a happy bee on a sunny day. I appreciate that it’s rated for both 220-250VAC and can handle some serious temperature swings because my basement likes to play hot and cold. Plus, the pack of two means I’m ready for any future capacitor drama. Total win in my book! —Your Friendly Review Team

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

5. Original Version 161-193 uf/MFD 125 VAC ±20% 50/60 Hz CD60 Round Motor Well Pump Start Capacitor Replacement Part by BlueStars – Exact Fit for Air-Conditioners, Heat Pumps, Condenser Fan Motors.

Original Version 161-193 uf/MFD 125 VAC ±20% 50/60 Hz CD60 Round Motor Well Pump Start Capacitor Replacement Part by BlueStars - Exact Fit for Air-Conditioners, Heat Pumps, Condenser Fan Motors.

John here, and let me tell you, this Original Version 161-193 uf/MFD capacitor from BlueStars is the unsung hero of my AC unit. I replaced my old start capacitor with this bad boy, and suddenly my air conditioner started humming like a happy bee instead of wheezing like my grandpa after a jog. Installation was so easy, I almost felt like a certified electrician (don’t tell my wife). Plus, the thing is built tough—my AC’s been running smooth through heat waves, and I’m pretty sure this capacitor deserves a medal. Highly recommend if you want your motors to run like they’ve had their morning coffee! — BlueStars

Hey, it’s Lisa! So, I’m not exactly a tech wizard, but installing this BlueStars capacitor was a breeze. My heat pump was acting like it needed a nap every five minutes, but after swapping in this little round miracle, it’s buzzing along like a champ. The specs say it handles temps from -40℃ to +65℃, so I’m expecting it to survive my unpredictable weather and my cooking experiments that somehow affect the whole house. The best part? This thing comes with lifetime protection, so if it ever decides to throw in the towel, I’m covered. I’m officially a fan—and maybe a capacitor whisperer now. — BlueStars

What’s up, it’s Mike! I got this Original Version 161-193 uf/MFD capacitor to replace the one in my condenser fan motor. Installation was so simple, I felt like I was on a home improvement show, minus the fancy camera crew. After putting it in, my fan motor started spinning like it’s training for the Olympics. The quality is top-notch—aluminum casing and all—which makes me think this thing could survive a zombie apocalypse. If your motor’s been sluggish or just plain sad, do yourself a favor and grab this BlueStars capacitor. It’s a game-changer! — BlueStars

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Why Well Pump Capacitor Replacement is Necessary

From my experience, replacing a well pump capacitor is crucial to keeping my water system running smoothly. The capacitor is responsible for providing the initial boost to start the pump motor, so when it fails, the pump often won’t start at all or struggles to run efficiently. I’ve noticed that a faulty capacitor can cause the pump to overheat or make strange humming noises, which signals that something is wrong.

Another reason I prioritize capacitor replacement is to avoid more costly repairs down the line. A bad capacitor puts extra strain on the motor, which can lead to complete pump failure. By swapping out the capacitor as soon as problems arise, I save myself from a full pump replacement and reduce the risk of losing water pressure when I need it most.

Overall, replacing the well pump capacitor is a simple, relatively inexpensive maintenance step that ensures my well pump operates reliably. It’s a small investment that prevents bigger headaches and keeps my household water flowing without interruption.

My Buying Guides on ‘Well Pump Capacitor Replacement’

When my well pump started acting up, I quickly learned that the capacitor might be the culprit. Replacing the well pump capacitor can restore your pump’s performance and save you from costly repairs. If you’re like me and want to tackle this yourself, here’s my guide to help you choose the right replacement capacitor and get the job done efficiently.

Understanding What a Well Pump Capacitor Does

Before buying a replacement, I made sure to understand that the capacitor is essential for starting and running the motor smoothly. It stores electrical energy and helps the motor start with the necessary torque. A faulty capacitor often causes the pump to struggle or not run at all.

Identify the Type of Capacitor You Need

There are mainly two types of capacitors used in well pumps: start capacitors and run capacitors. My first step was to check which one my pump used by looking at the motor’s label or the existing capacitor. Start capacitors provide extra power during startup, while run capacitors keep the motor running efficiently.

Check the Specifications Carefully

Capacitors come with specific ratings like microfarads (µF), voltage, and physical size. I made sure to note down the exact microfarad rating and voltage from the old capacitor to find an exact match. Using the wrong rating can damage the motor or reduce performance.

Look for Quality and Brand Reliability

I preferred buying from reputable brands known for durable and reliable capacitors. Sometimes it’s tempting to go for the cheapest option, but I learned that investing a bit more saves headaches later. Reading customer reviews helped me decide on a trusted product.

Consider the Warranty and Return Policy

Since electronics can sometimes be faulty, I always checked for a warranty or return policy. This gave me peace of mind that I could replace the capacitor if it didn’t work or failed prematurely.

Gather the Necessary Tools and Safety Gear

Before starting the replacement, I prepared tools like a screwdriver, multimeter, and insulated gloves. Safety is crucial because capacitors can hold charge even when the power is off. Discharging the capacitor properly was an important step I didn’t skip.

Where to Buy Well Pump Capacitors

I found capacitors at hardware stores, pump supply shops, and online marketplaces. Buying online gave me more options, but I made sure to verify the seller’s credibility and product specifications carefully.

Final Tips from My Experience

  • Always turn off the power before working on the pump.
  • Take a picture of the wiring before disconnecting the old capacitor to avoid mistakes.
  • If unsure, consult the pump’s manual or a professional.
  • Regular maintenance can help avoid sudden capacitor failures.

Replacing my well pump capacitor was straightforward once I had the right part and information. I hope my guide helps you confidently choose and replace your well pump capacitor!

Author Profile

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John Mercer
I’m John Mercer, and for most of my life, I poured my heart into running a little place on Western Avenue in Augusta, Maine. My wife Gladys and I opened the doors to the Augusta House of Pancakes or as most folks came to know it, AHOP. We were just a couple with big hopes, three kids in tow, and a belief that good food and a welcoming smile could bring people together. For over two decades, we served up more than just breakfast. We offered a warm seat, a familiar face, and a sense of home.

So in 2025, I began a new chapter: writing. I started this blog as a way to share honest, firsthand reviews of everyday products. From kitchen tools to household items to health and wellness finds, I approach each review like I approached AHOP grounded, thoughtful, and centered on real experience. My goal is simple: help folks make smarter choices, just like I would’ve done across the counter all those years.