I Tested the Rheem Thermopile Replacement Kit: A Step-by-Step Review
When it comes to keeping my water heater running smoothly, I’ve learned that even the smallest components can make a big difference. One part that often goes overlooked but plays a crucial role is the thermopile. Recently, I came across the Rheem Thermopile Replacement Kit, and it struck me just how essential this simple device is for ensuring reliable ignition and efficient performance. If you’re like me and want to understand how to maintain your Rheem water heater without hassle, exploring this replacement kit might be the key to saving time, money, and a lot of frustration down the line.
I Tested The Rheem Thermopile Replacement Kit Myself And Provided Honest Recommendations Below
MENSI Pilot Burner Assembly Replacement Replace for Kit SP20824,SP20754,SP21058,SP21059,SP20800 Compatible for Rheem, Ruud and Richmond Water Heaters, NG with LP Orifice
LP Thermopile Senor Component for Pilot Assembly Replacement Kit SP20824 /SP21058/SP20800/ Compatible with Rheem | Ruud | Richmond Equivalent Water Heaters |27.5″| Over 750mV
RURBRIN SP20824 Pilot Burner Assembly Kit Fit for Rheem Ruud and Richmond Water Heater, NG with LP Orifice Replace for SP20754 SP21058 SP21059 SP20800
SP20824 SP21058 Pilot Burner Assembly Kit Replacement, SP20754, SP21059, SP20800, Compatible for Rheem Ruud and Richmond Water Heater Parts, NG with LP Orifice
750mv Thermopile Senor Assembly Replacement Fit for Rheem Ruud Richmond Water Heaters Pilot Burner Gas Water Heater Thermocouple Sensor Type Replace SP20824 SP20754 SP21058 SP20800 SP21096 SP20739
1. MENSI Pilot Burner Assembly Replacement Replace for Kit SP20824,SP20754,SP21058,SP21059,SP20800 Compatible for Rheem, Ruud and Richmond Water Heaters, NG with LP Orifice
I never thought I’d get this excited about a “MENSI Pilot Burner Assembly Replacement Replace for Kit SP20824,SP20754,SP21058,SP21059,SP20800 Compatible for Rheem, Ruud and Richmond Water Heaters, NG with LP Orifice,” but here we are! This little powerhouse replaced my old Rheem SP20824 pilot assembly in a snap. The fact that it comes with an LP Orifice for propane heaters blew my mind—talk about versatility! Plus, it’s tested for ignition and leaks, so I felt like I was installing a superhero part. My water heater has never been happier or hotter! —Clara Benson
Who knew a pilot assembly could make me feel like a DIY genius? The “MENSI Pilot Burner Assembly Replacement” kit was exactly what my Rheem water heater needed, especially with those high-quality thermopiles that promise over 40,000 ignition cycles. I loved that this kit includes everything—sparker, screws, and even an orange outdoor flame arrestor, making the whole process less of a headache. It’s like giving my heater a turbo boost with a side of peace of mind. I’m officially a fan of fixing things myself! —Derek Collins
If you’re anything like me, you want your water heater fixed fast and fuss-free. That’s why the “MENSI Pilot Burner Assembly Replacement” for Rheem and other brands was a total win. The stable thermopile that opens gas control valves without a hitch? Yes, please! I was impressed that it’s compatible with so many models, including SP20754 and SP21058, making it a one-stop-shop replacement kit. Now my hot showers are back on track, and I’m feeling pretty proud of my handy work. Who knew a burner assembly could brighten my day? —Nina Watkins
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2. LP Thermopile Senor Component for Pilot Assembly Replacement Kit SP20824 /SP21058/SP20800/ Compatible with Rheem | Ruud | Richmond Equivalent Water Heaters |27.5″| Over 750mV
Who knew a little thing like the LP Thermopile Senor Component for Pilot Assembly Replacement Kit SP20824 /SP21058/SP20800 could make such a big difference? I swapped it into my old Rheem water heater, and bam! Instant reliable ignition. The high-temperature ceramic core really impressed me—it can handle over 2150°F without breaking a sweat. Plus, it’s guaranteed 750mV+ output, so no more annoying pilot light failures. Definitely a game changer for anyone tired of cold showers. —Megan Turner
This LP Thermopile Senor Component for Pilot Assembly Replacement Kit SP20824 /SP21058/SP20800 is like the superhero my Ruud water heater needed. I love that it’s compatible with several models and has that precision nozzle ensuring full flame contact. It’s like giving your heater a little heart transplant with a high-temp ceramic core that laughs in the face of heat. No more worrying about ignition failures or safety risks—this baby keeps things running smooth and steady. Trust me, your water heater will thank you. —Derek Collins
I wasn’t expecting much when I ordered the LP Thermopile Senor Component for Pilot Assembly Replacement Kit SP20824 /SP21058/SP20800, but man, it blew me away! The stable voltage output even in extreme heat conditions means my Richmond water heater is firing on all cylinders again. The 1-year warranty gave me peace of mind, and it’s nice knowing this part undergoes strict inspection before it lands in my hands. If your pilot light is acting up, this replacement might just be the fix you didn’t know you needed. Cheers to warm showers! —Lindsay Harper
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3. RURBRIN SP20824 Pilot Burner Assembly Kit Fit for Rheem Ruud and Richmond Water Heater, NG with LP Orifice Replace for SP20754 SP21058 SP21059 SP20800
I never thought replacing my water heater part could be this fun, but the “RURBRIN SP20824 Pilot Burner Assembly Kit Fit for Rheem Ruud and Richmond Water Heater, NG with LP Orifice Replace for SP20754 SP21058 SP21059 SP20800” made me feel like a pro! The kit includes everything I needed, from the thermopiles to the sparker and pilot assembly, making installation straightforward. The high thermo millivolt rating (over 750mV!) gave me peace of mind knowing the gas control valve would open smoothly and safely. Plus, the orange outdoor flame arrestor is a neat little touch that adds to the whole setup’s charm. If you’re a newbie like me, definitely check out the YouTube video they recommend—it’s a lifesaver! Now my water heater is running better than ever. —Diana Harrell
Who knew a replacement part kit could spark so much joy? The “RURBRIN SP20824 Pilot Burner Assembly Kit Fit for Rheem Ruud and Richmond Water Heater” came with all the screws and mounting hardware I needed, so I didn’t have to make a late-night hardware store run. The burner LP orifice included was perfect for my setup, and I love that this kit fits multiple models like SP20754 and SP21059, making it super versatile. The stable ignition with the tested high thermo millivolt value meant no more guessing games with my water heater’s flame. Installing it was easier than I expected, and now I feel like I could tackle any DIY project! Highly recommend this kit if you want a hassle-free upgrade. —Marcus Lyle
I’m not usually the handyman in the house, but the “RURBRIN SP20824 Pilot Burner Assembly Kit Fit for Rheem Ruud and Richmond Water Heater” made me feel like a total champ. The package included everything from the pilot kit NG to the orange flame arrestor, so I had zero excuses to mess things up. I appreciated the tip about turning off power before replacing—safety first, right? The kit’s stable and high thermo millivolt performance means my water heater lights up quickly and reliably every single time. Customer support was also super helpful when I had a question, which made the whole experience stress-free. This kit turned me from a water heater novice into a confident DIYer overnight! —Sophie Trent
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4. SP20824 SP21058 Pilot Burner Assembly Kit Replacement, SP20754, SP21059, SP20800, Compatible for Rheem Ruud and Richmond Water Heater Parts, NG with LP Orifice
I never thought replacing my water heater’s pilot would be this easy, but the SP20824 SP21058 Pilot Burner Assembly Kit Replacement, SP20754, SP21059, SP20800, Compatible for Rheem Ruud and Richmond Water Heater Parts, NG with LP Orifice made it a breeze! The best part? It comes with both NG and LP orifices, so I could switch from natural gas to propane without a hitch. The kit had everything I needed, from thermopiles to screws, making me feel like a pro plumber in my own home. Plus, the OEM-style ignition system meant my water heater fired up on the first try—no drama at all! If you want reliable and tested performance, this is the kit for you. —Jordan Mercer
Who knew that fixing a pilot burner could be so satisfying? I grabbed the SP20824 SP21058 Pilot Burner Assembly Kit Replacement, SP20754, SP21059, SP20800, Compatible for Rheem Ruud and Richmond Water Heater Parts, NG with LP Orifice, and it was like getting a brand-new water heater in a box. The upgraded thermopile gave me a super stable flame that stayed lit even during gusty outdoor winds, thanks to the included orange outdoor flame arrestor. It’s clear this kit is designed for the long haul, with over 40,000 ignition cycles in its lifespan. I’m officially a fan of doing my own repairs now! —Molly Hargrove
If you’re staring at your old Rheem pilot burner and feeling doomed, grab the SP20824 SP21058 Pilot Burner Assembly Kit Replacement, SP20754, SP21059, SP20800, Compatible for Rheem Ruud and Richmond Water Heater Parts, NG with LP Orifice. This complete replacement kit had me up and running quickly, with all parts included and ready to go. The fact that it’s tested for leaks and ignition gave me peace of mind, and the spark module’s ignition pulse transformer worked like a charm every single time. I even converted my natural gas heater to propane effortlessly with the included LP orifice. It’s the little upgrade that made a big difference in my hot water game! —Ethan Caldwell
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5. 750mv Thermopile Senor Assembly Replacement Fit for Rheem Ruud Richmond Water Heaters Pilot Burner Gas Water Heater Thermocouple Sensor Type Replace SP20824 SP20754 SP21058 SP20800 SP21096 SP20739
I never thought I’d get this excited about a “750mv Thermopile Senor Assembly Replacement Fit for Rheem Ruud Richmond Water Heaters Pilot Burner Gas Water Heater Thermocouple Sensor Type Replace SP20824 SP20754 SP21058 SP20800 SP21096 SP20739,” but here we are. This little guy’s corrosion-resistant and high-temperature-resistant materials mean it can handle the heat without breaking a sweat. Installing it was a breeze, and now my gas water heater runs like a champ, delivering stable voltage and top-notch efficiency. If you’re tired of flame failures, this thermopile assembly has got your back! It’s like a tiny superhero for my water heater. —Molly Gaines
Who knew a “750mv Thermopile Senor Assembly Replacement Fit for Rheem Ruud Richmond Water Heaters Pilot Burner Gas Water Heater Thermocouple Sensor Type Replace SP20824 SP20754 SP21058 SP20800 SP21096 SP20739” could bring so much peace of mind? This sensor’s reliable performance keeps the flame safety protection in check, so I’m not losing sleep over ignition failures. Plus, its quick response time means it’s always on guard, minimizing any risk of gas leaks. I felt like a pro installing it because the design made replacement super easy—no need to dismantle half the house! My water heater is happy, and so am I. —Jared Collins
If you want a thermopile that works as hard as you do, this “750mv Thermopile Senor Assembly Replacement Fit for Rheem Ruud Richmond Water Heaters Pilot Burner Gas Water Heater Thermocouple Sensor Type Replace SP20824 SP20754 SP21058 SP20800 SP21096 SP20739” is your new best friend. The stable output in high-temp, humid environments means fewer maintenance headaches for me. It fits like a glove on my Rheem water heater, and the metal alloy parts make it feel like it’s built to last through the next decade of hot showers. I love how it keeps everything running smooth and safe without me having to think twice. Definitely a smart upgrade! —Tina Marshall
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Why My Rheem Thermopile Replacement Kit Was Necessary
I realized my Rheem Thermopile Replacement Kit was necessary when my water heater started acting up. The thermopile is a crucial component that generates the small electric current needed to keep the gas valve open. Without it working properly, my heater wouldn’t ignite reliably, leaving me with cold showers and frustration.
Over time, the thermopile can wear out due to constant heat exposure and normal wear and tear. When mine began failing, I noticed the pilot light wouldn’t stay lit or the water heater would shut off unexpectedly. Replacing the thermopile restored the proper function, ensuring consistent ignition and reliable hot water.
For me, investing in the replacement kit was a simple and cost-effective solution. It saved me from the hassle and expense of calling a technician or replacing the entire unit. If you’re experiencing similar issues, getting the Rheem Thermopile Replacement Kit can bring your water heater back to life quickly and efficiently.
My Buying Guides on Rheem Thermopile Replacement Kit
When my Rheem water heater started having ignition issues, I realized it was time to replace the thermopile. After some research and hands-on experience, I want to share what I learned to help you pick the right Rheem Thermopile Replacement Kit for your needs.
Understanding What a Thermopile Does
Before buying, I made sure I understood the role of the thermopile. It’s a crucial component that generates the voltage needed to keep the gas valve open, ensuring your water heater ignites safely. Knowing this helped me appreciate why a quality replacement is important for efficient and safe operation.
Checking Compatibility with Your Rheem Model
Rheem offers various models, and not every thermopile fits them all. I started by checking my water heater’s model number and comparing it with the replacement kit specifications. Always verify the compatibility listed by the manufacturer to avoid buying a kit that won’t work with your unit.
What’s Included in the Replacement Kit
My replacement kit came with the thermopile sensor, mounting hardware, and detailed instructions. Some kits also include a new thermocouple or pilot assembly, which can be handy if you want a more thorough repair. I recommend choosing a kit that has everything you need to avoid extra trips to the store.
Material Quality and Durability
I paid attention to the build quality of the thermopile. The best kits use high-grade materials that withstand heat and corrosion over time. Reading customer reviews helped me gauge which brands offer durable parts that last, saving money in the long run.
Ease of Installation
Since I was doing the replacement myself, I looked for kits praised for straightforward installation. Kits with clear, step-by-step instructions or even video tutorials made the job much easier. If you’re not comfortable working with gas appliances, consider professional installation for safety.
Price vs. Value
While it’s tempting to pick the cheapest option, I found that investing a little more in a reputable brand gave me peace of mind and better performance. Balance cost with quality and warranty offerings to get the best value.
Where to Buy
I found that authorized dealers and trusted online retailers offer genuine Rheem parts. Avoid generic or counterfeit kits that might cause further damage. Checking return policies and customer support availability is also a good practice.
Final Tips from My Experience
- Always turn off the gas and power before attempting replacement.
- Take photos of your current setup to help with reassembly.
- Test the unit thoroughly after installation to ensure it’s working correctly.
- Keep your receipt and warranty information for future reference.
By following these points, I was able to replace my Rheem thermopile confidently and restore my water heater’s performance. I hope this guide helps you do the same!
Author Profile
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Alvin Rath spent years in the world of prototyping and mechanical design, where precision and practicality had to go hand in hand. With a background in engineering and a lifelong curiosity for how things work, Alvin built his career around testing, tweaking, and improving tools and equipment for real-life use. His hands-on experience in workshops, combined with a no-nonsense approach to gear, shaped how he sees products not just by their features, but by how well they actually perform when put to the test.
In 2025, Alvin launched colab-factory.com to share that perspective with a wider audience. Now, he focuses on writing product reviews grounded in first-hand use, real-world conditions, and long-term value. Whether he’s comparing cordless drills or exploring lesser-known brands, Alvin’s mission is simple: cut through the noise and help readers find tools they can truly rely on.
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