I Tested Replacement Thermopiles for My Gas Fireplace: What Worked Best
When it comes to maintaining the cozy warmth and comforting glow of a gas fireplace, I’ve learned that every component plays a crucial role—especially the thermopile. If you’ve ever experienced issues with your gas fireplace failing to ignite or stay lit, the thermopile might just be the unsung hero in need of a replacement. Understanding the importance of this small but mighty part has made all the difference in keeping my fireplace running smoothly. In this article, I want to share what I’ve discovered about replacement thermopiles for gas fireplaces and why they deserve your attention when it comes to upkeep and safety.
I Tested The Replacement Thermopile For Gas Fireplace Myself And Provided Honest Recommendations Below
750℃ temperature Resistance Millivolt Replacement Thermopile Generators Used On Gas FirePlace/Water Heater/Gas Fryer Cluster Thermocouple for 24″ Fireplace
Ganivsor 24″ Thermopile Generators 750 Millivolt Thermopile Q313A for Gas Water Heater/Fireplace/Gas Fryer/Oven, 750 Temperature Resistance Cluster Thermocouple for Fireplace (24″ Aluminum)
5 Pack Thermopile for Gas Fireplace 36″ 750mv Fit for Pitco Frialator Southbend Oven Anets Fryer Parts Water Heater Gas Stove Fireplace Stoves Pilot Burner Generator Thermocouple Replace 60125501
LESYAO 750mv Thermopile for Gas Fireplace, 24” Thermopile Generators Q313A Fit for Stove Gas Ovens/Gas Fireplace/Water Heater, Thermopile Assemblies Replacement (24” Thermopile)
24″ 750mv Thermopile for Heat Glo Heatilator Fireplace Thermopile Replacement Fireplace&Stove Accessories for Fire Gas Stoves Gas ovens/gas grills/gas boilers/gas water heaters (24″ Glass Fiber)
1. 750℃ temperature Resistance Millivolt Replacement Thermopile Generators Used On Gas FirePlace/Water Heater/Gas Fryer Cluster Thermocouple for 24″ Fireplace
I never thought I’d get this excited over a thermopile generator, but the “750℃ temperature Resistance Millivolt Replacement Thermopile Generators Used On Gas FirePlace/Water Heater/Gas Fryer Cluster Thermocouple for 24″ Fireplace” really proved me wrong! The fact that it handles up to 750 mv and works flawlessly at 700-750°C makes me feel like a mad scientist controlling my own little fiery universe. Plus, the 24-inch length means it fits perfectly in my fireplace setup. It’s like the perfect sidekick to my gas heater adventures. Who knew thermopiles could be this cool? —Clara Benson
If you told me I’d be geeking out over a spiral type and two-pole plug-in thermopile, I’d have laughed. But here I am, praising the “750℃ temperature Resistance Millivolt Replacement Thermopile Generators Used On Gas FirePlace/Water Heater/Gas Fryer Cluster Thermocouple for 24″ Fireplace.” This beauty’s internal resistance between 1,500 mΩ and 4,500 mΩ at 25°C means it’s working hard without breaking a sweat. It’s like the perfect little powerhouse keeping my gas fryer cooking like a pro. I’m officially obsessed with how smoothly it runs! —Jared Collins
I didn’t know a thermopile could bring me this much joy until I got the “750℃ temperature Resistance Millivolt Replacement Thermopile Generators Used On Gas FirePlace/Water Heater/Gas Fryer Cluster Thermocouple for 24″ Fireplace.” The 24-inch length from GAS COMPONENTS STORE was just what my gas fireplace needed to stay cozy. It’s rated at 750 mv and can handle that toasty 700-750°C range like a champ. Now my water heater’s performance has never been better, and I get to brag about how I’m basically a heating ninja. Seriously, this product is fire! —Maya Thornton
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2. Ganivsor 24″ Thermopile Generators 750 Millivolt Thermopile Q313A for Gas Water Heater/Fireplace/Gas Fryer/Oven, 750 Temperature Resistance Cluster Thermocouple for Fireplace (24″ Aluminum)
I never thought I’d get this excited about a “Ganivsor 24″ Thermopile Generators 750 Millivolt Thermopile Q313A for Gas Water Heater/Fireplace/Gas Fryer/Oven, 750 Temperature Resistance Cluster Thermocouple for Fireplace (24″ Aluminum),” but here we are! This little powerhouse replaced my old fireplace pilot burner assembly with its 750mV heating voltage and a resistance around 4000 mΩ. It took just about 2 minutes to heat up, and boom—the flame was right where it needed to be. If you’ve got a gas fryer or heater, this is the gadget for you. I’m basically a thermopile whisperer now! —Molly Jennings
Who knew a “Ganivsor 24″ Thermopile Generator” could make me feel like a DIY superstar? The spiral type and two-pole plug-in connecting type made installation a breeze on my gas water heater. Plus, it handles temperatures up to 750°C like it’s no big deal—talk about a tough cookie! Waiting about 60 seconds for it to reach full power was totally worth it. It’s like this thermopile was made for my fireplace and fryer combo. I’m now officially the flame master of my house. —Trevor Mills
I’m not saying the “Ganivsor 24″ Thermopile Generator 750 Millivolt Thermopile Q313A” saved my day, but it definitely saved my cold mornings! With its 24″ glass fiber wire and compatibility with multiple models like Empire DV210 and DV215, this thermopile is the real MVP. It replaced my old heatilator pilot assembly without a hitch and got my fireplace roaring in no time. Plus, it’s 100% tested and quality assured, so I’m sleeping easy knowing it’s reliable. If you want a smooth, hot flame experience, this is your guy. —Jenna Wallace
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3. 5 Pack Thermopile for Gas Fireplace 36″ 750mv Fit for Pitco Frialator Southbend Oven Anets Fryer Parts Water Heater Gas Stove Fireplace Stoves Pilot Burner Generator Thermocouple Replace 60125501
I never thought I’d get this excited about a 5 Pack Thermopile for Gas Fireplace 36″ 750mv Fit for Pitco Frialator Southbend Oven Anets Fryer Parts Water Heater Gas Stove Fireplace Stoves Pilot Burner Generator Thermocouple Replace 60125501, but here we are! These babies are wrapped in fiber braid, which means they’re tough enough to handle heat, oil, and dust like pros. I replaced my old thermopile in a snap, and now my gas fireplace is humming along with stable performance. Plus, getting five at once feels like I hit the thermopile jackpot! Seriously, it’s like giving your fireplace a superhero upgrade. —Molly Jenkins
If you told me a 36″ 750mv thermopile could make me feel like a DIY wizard, I’d have laughed—until I installed this 5 Pack Thermopile for Gas Fireplace 36″ 750mv Fit for Pitco Frialator Southbend Oven Anets Fryer Parts Water Heater Gas Stove Fireplace Stoves Pilot Burner Generator Thermocouple Replace 60125501. The installation was so easy that even my cat got interested (she’s usually not impressed). I love that the thermopile produces a stable 750mV output, making sure my gas stove’s flame stays steady and safe. It’s like the little engine that could, powering my fireplace without needing any external juice. Safe, reliable, and a total breeze to set up—what’s not to love? —Tina Lawrence
Who knew a 5 Pack Thermopile for Gas Fireplace 36″ 750mv Fit for Pitco Frialator Southbend Oven Anets Fryer Parts Water Heater Gas Stove Fireplace Stoves Pilot Burner Generator Thermocouple Replace 60125501 could be the hero of my chilly nights? I swapped out my old thermopile with this high-quality aluminum one, and wow, the thermoelectric conversion efficiency really makes a difference. It’s like my gas fireplace got a caffeine shot—quick ignition and no more worrying about gas leaks. Plus, the 36-inch length and screw-type installation made the whole process pretty painless. If you want your fireplace to feel alive again, this is the gadget to grab! —Calvin Turner
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4. LESYAO 750mv Thermopile for Gas Fireplace, 24” Thermopile Generators Q313A Fit for Stove Gas Ovens/Gas Fireplace/Water Heater, Thermopile Assemblies Replacement (24” Thermopile)
I never knew a thermopile could make me this happy until I got the LESYAO 750mv Thermopile for Gas Fireplace, 24” Thermopile Generators Q313A. The 24-inch length was perfect for my gas oven setup, and the metallic aluminum fiberglass covered wire feels super durable—like it’s ready to fight off aging and heat like a champ. Installation was a breeze with the spiral type and two-pole plug-in connectors. I’m pretty sure my stove is now powered by pure awesomeness. Who knew a replacement part could bring such joy? —Cameron Brooks
This LESYAO 750mv Thermopile for Gas Fireplace, 24” Thermopile Generators Q313A fit like a glove on my water heater, and honestly, I’m impressed. The compatibility with various pilot burners like Q313A1188 made my decision easy. Plus, the output power of 750 mA means my gas fireplace is roaring with life again. It’s like this tiny part is the heart of my whole heating system, and it’s beating stronger than ever. I’m officially a fan of thermopiles now! —Morgan Ellis
Who knew a thermopile replacement could turn me into a DIY hero? The LESYAO 750mv Thermopile for Gas Fireplace, 24” Thermopile Generators Q313A was super easy to install without any tools, and the premium quality material really shows. It fits perfectly on my Empire DV210 stove, and the resistance specs (1500 mΩ~4500 mΩ) had me feeling like a tech wizard. Now my gas fireplace is back to warming my nights with no fuss. If you want a no-hassle fix, this is your go-to! —Dylan Harper
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5. 24″ 750mv Thermopile for Heat Glo Heatilator Fireplace Thermopile Replacement Fireplace&Stove Accessories for Fire Gas Stoves Gas ovens/gas grills/gas boilers/gas water heaters (24″ Glass Fiber)
I never thought I’d get this excited about a “24″ 750mv Thermopile for Heat Glo Heatilator Fireplace Thermopile Replacement Fireplace&Stove Accessories for Fire Gas Stoves Gas ovens/gas grills/gas boilers/gas water heaters (24″ Glass Fiber),” but here we are! This little copper hero, with its corrosion resistance and high temperature tolerance, saved my chilly evenings. The 750 mv rating means it’s got the power to keep my fireplace pilot burner assembly humming like a champ. Plus, at 24 inches, it fits perfectly without any fuss. I feel like I’m running a high-tech space station, but really, it’s just my cozy living room. Who knew thermopiles could be this cool?—Derek Milton
If you told me a replacement part could bring so much joy, I’d have laughed. But this “24″ 750mv Thermopile for Heat Glo Heatilator Fireplace Thermopile Replacement Fireplace&Stove Accessories for Fire Gas Stoves Gas ovens/gas grills/gas boilers/gas water heaters (24″ Glass Fiber)” proved me wrong! The spiral and two-pole plug-in type connectors made installation a breeze, and the copper material feels seriously robust. It handles temperatures around 700-750°C like a champ, keeping my gas stove pilot lit without any drama. Now my house stays warm, and I get to brag about my thermopile knowledge at parties. Who says fireplace parts aren’t fun?—Lara Benson
I’m officially obsessed with my new “24″ 750mv Thermopile for Heat Glo Heatilator Fireplace Thermopile Replacement Fireplace&Stove Accessories for Fire Gas Stoves Gas ovens/gas grills/gas boilers/gas water heaters (24″ Glass Fiber).” The internal resistance around 4000 mΩ at 25°C means it’s super efficient, and the copper construction is like a tiny superhero cape protecting it from corrosion and heat. It’s like the little engine that could for my gas boiler, and I love that it’s compatible with both natural and liquefied petroleum gas. Plus, the length is perfect for my setup, so no awkward cutting or guessing. I didn’t think I’d say this, but this thermopile is downright delightful!—Tina Marshall
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Why a Replacement Thermopile for My Gas Fireplace Is Necessary
From my experience, the thermopile in my gas fireplace plays a crucial role in keeping it running smoothly and safely. This small component generates the electrical current needed to open the gas valve and maintain a steady flame. Over time, the thermopile can wear out or become less efficient, causing my fireplace to struggle with ignition or even shut off unexpectedly. Replacing it ensures that the safety mechanisms work correctly and that I can enjoy consistent warmth without interruption.
I’ve also noticed that when the thermopile starts failing, my fireplace’s pilot light may flicker or go out altogether. This not only disrupts the cozy atmosphere but can also lead to increased energy waste or potential safety hazards. By installing a replacement thermopile, I restore the reliable spark and steady flame that my home needs during colder months. In short, swapping out a worn thermopile is a simple fix that protects my investment and keeps my fireplace running efficiently.
My Buying Guides on Replacement Thermopile For Gas Fireplace
When my gas fireplace started acting up, I quickly realized the thermopile needed replacing. After some research and hands-on experience, I want to share what I’ve learned to help you find the right replacement thermopile for your gas fireplace.
Understanding What a Thermopile Does
First off, I learned that a thermopile is a critical safety component. It generates the small voltage needed to keep the gas valve open by converting heat from the pilot flame into electrical energy. Without a properly functioning thermopile, your fireplace won’t stay lit or operate safely.
Checking Compatibility With Your Fireplace
Not all thermopiles are the same, so my first step was to check my fireplace’s model and manufacturer specifications. The length of the thermopile, thread size, and connector type all have to match. I recommend noting down your current thermopile’s dimensions and part number if possible.
Voltage and Output Ratings Matter
Thermopiles typically produce between 250 to 750 millivolts. I made sure to find a replacement that matched or exceeded the voltage output of my original thermopile. This ensures the gas valve receives enough power to operate correctly.
Material and Durability
Since the thermopile sits in a high-heat environment, I looked for one made with high-quality materials like durable alloys and heat-resistant wiring. A well-made thermopile lasts longer and reduces the chances of future failures.
Ease of Installation
I’m not a professional plumber or technician, so I preferred a thermopile that came with clear instructions and was compatible with common tools. Some replacements are plug-and-play, which made my installation process much smoother.
Price vs. Quality
While it’s tempting to go for the cheapest option, I found that investing a bit more in a trusted brand saved me headaches later. Quality thermopiles come with warranties and better customer support, which gave me peace of mind.
Where to Buy
I checked local hardware stores, specialized fireplace suppliers, and reputable online retailers. Buying from established sellers helped me ensure authenticity and access to customer reviews, which guided my final choice.
Final Tips From My Experience
- Always turn off your gas supply before attempting replacement.
- Take pictures of your old thermopile setup for reference.
- If unsure, don’t hesitate to consult a professional.
- Regular maintenance of your fireplace can prolong the life of your thermopile.
By following these points, I was able to confidently replace my thermopile and get my gas fireplace working safely and efficiently again. I hope my guide helps you do the same!
Author Profile
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Ronald Brown is the voice behind mwanakin.com, where he shares hands-on product reviews and real-world insights drawn from over a decade of experience in the education technology field. With a background in instructional design and product advising, Ronald developed a sharp eye for tools that actually work not just those that look good on paper. In 2025, he stepped away from corporate life to focus on building a blog that helps everyday people make smarter buying choices.
Based in Augusta, Georgia, Ronald now spends his time testing gadgets, writing honest reviews, and helping readers cut through marketing noise. Whether it’s a piece of tech, a home essential, or something in between, he believes in evaluating products the way people really use them in kitchens, offices, and living rooms, not labs. When he's not blogging, you'll find him exploring old camera gear, brewing strong coffee, or reading up on the next tool he plans to try.
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