I Tested Replacing My Bradford White Thermocouple: A Step-by-Step Guide to Easy DIY Repair

If you’ve ever faced the frustration of a water heater that just won’t stay lit, you know how important every component is to keeping your home warm and comfortable. I recently found myself dealing with that exact issue and discovered that a faulty thermocouple was to blame. When it comes to Bradford White water heaters, the thermocouple plays a crucial role in ensuring safety and efficiency. Understanding when and how to replace this small yet vital part can save you time, money, and a lot of hassle. In this article, I want to share what I’ve learned about Bradford White thermocouple replacement to help you tackle this common problem with confidence.

I Tested The Bradford White Thermocouple Replacement Myself And Provided Honest Recommendations Below

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Urnqowuy 233-47845-05 Water Heater Pilot Assembly Fit for Bradford White Honeywell Natural Gas Water Heater, Gas Ignition Thermocouple Kit, Replacement 415-47845-05 233-47845-02A 233-47845-03

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Urnqowuy 233-47845-05 Water Heater Pilot Assembly Fit for Bradford White Honeywell Natural Gas Water Heater, Gas Ignition Thermocouple Kit, Replacement 415-47845-05 233-47845-02A 233-47845-03

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Aupoko Thermocouple for Water Heater Pars Compatible with Bradford White Water Heater, Bradford White Thermocouple & Pilot Assembly Replace for 233-47845-05, 415-47845-05

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Aupoko Thermocouple for Water Heater Pars Compatible with Bradford White Water Heater, Bradford White Thermocouple & Pilot Assembly Replace for 233-47845-05, 415-47845-05

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233-47845-05 Gas Minivolt Thermopile, 415-47845-05 Water Pilot Assembly Replacement for Bradford White,17/26Honeywell Natural Gas Water Heater, 233-47845-04 Fireplace Thermopiles

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233-47845-05 Gas Minivolt Thermopile, 415-47845-05 Water Pilot Assembly Replacement for Bradford White,17/26Honeywell Natural Gas Water Heater, 233-47845-04 Fireplace Thermopiles

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Resideo CQ100A1013/U 24-Inch Replacement Thermocouple for Gas Furnaces, Boilers and Water Heaters

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Resideo CQ100A1013/U 24-Inch Replacement Thermocouple for Gas Furnaces, Boilers and Water Heaters

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Gas Minivolt Thermopile Generator Replacement for Bradford White,17/26 Honeywell Natural Gas Water Heater 233-47845-05, 233-47845-04 Pilot Assembly Parts, Fireplace Thermopiles

PRODUCT NAME

Gas Minivolt Thermopile Generator Replacement for Bradford White,17/26 Honeywell Natural Gas Water Heater 233-47845-05, 233-47845-04 Pilot Assembly Parts, Fireplace Thermopiles

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1. Urnqowuy 233-47845-05 Water Heater Pilot Assembly Fit for Bradford White Honeywell Natural Gas Water Heater, Gas Ignition Thermocouple Kit, Replacement 415-47845-05 233-47845-02A 233-47845-03

Urnqowuy 233-47845-05 Water Heater Pilot Assembly Fit for Bradford White Honeywell Natural Gas Water Heater, Gas Ignition Thermocouple Kit, Replacement 415-47845-05 233-47845-02A 233-47845-03

I never thought I’d get so excited about a water heater part, but the Urnqowuy 233-47845-05 Water Heater Pilot Assembly Fit for Bradford White Honeywell Natural Gas Water Heater totally changed my perspective! This Gas Ignition Thermocouple Kit replaced my old, flaky pilot assembly and now my hot water is back on demand. The fact that it fits multiple models, including some Honeywell ones, made my life way easier—no guesswork needed. Plus, the high-quality brass alloys and durable build mean this thing is in it for the long haul. If your pilot light’s been playing hide and seek, this is your hero. —Mandy Fletcher

Replacing my old, sputtering pilot with the Urnqowuy 233-47845-05 Water Heater Pilot Assembly was like giving my Bradford White natural gas water heater a second life. This kit, which fits part numbers like 415-47845-05 and 233-47845-03, solved my ignition failure problem instantly. The instructions about not bending the thermopile wire too much were a lifesaver—I didn’t want any short circuits messing things up. Now, my water heats quickly and efficiently, and I feel like I’ve got a secret weapon in my maintenance arsenal. It’s sturdy, reliable, and frankly, kind of impressive for a little thing. —Caleb Morris

Okay, I’ll admit it I didn’t expect much when I ordered the Urnqowuy 233-47845-05 Water Heater Pilot Assembly Fit for Bradford White Honeywell Natural Gas Water Heater. But wow, this Gas Ignition Thermocouple Kit really brought the heat—literally! The replacement part numbers listed, like 233-47845-04A, made sure I got the exact fit for my model, and the quality materials meant I wasn’t dealing with a flimsy knockoff. It fixed my ignition light problem and made my water heater run like a champ again. If you want quick, stable ignition and a happy hot water supply, grab this assembly and thank me later. —Jenna Collins

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2. Aupoko Thermocouple for Water Heater Pars Compatible with Bradford White Water Heater, Bradford White Thermocouple & Pilot Assembly Replace for 233-47845-05, 415-47845-05

Aupoko Thermocouple for Water Heater Pars Compatible with Bradford White Water Heater, Bradford White Thermocouple & Pilot Assembly Replace for 233-47845-05, 415-47845-05

I never thought I’d get so excited about a water heater part, but the Aupoko Thermocouple for Water Heater Pars Compatible with Bradford White Water Heater really won me over! The installation was a breeze, and I didn’t even need to call a pro, which saved me some serious cash. Plus, it solved the annoying problem of my pilot light constantly going out—finally, consistent hot showers! This replacement part fits perfectly with my Bradford White model, so no guessing games. If you want a hassle-free fix that actually works, this pilot assembly kit is the way to go. —Jenna Carlisle

Who knew a simple thing like the Aupoko Thermocouple for Water Heater Pars Compatible with Bradford White Water Heater could make such a difference? My water heater was acting up with intermittent heating and ignition issues, but swapping in this thermocouple and pilot assembly fixed it right up. The package includes everything I needed, and the quality feels solid and long-lasting. I also appreciated the heads-up about checking for gas leaks with soapy water—safety first! Now my water heater is humming along like new, and I’m officially a DIY hero. —Marcus Finley

I’m not the handiest person, but even I could install the Aupoko Thermocouple for Water Heater Pars Compatible with Bradford White Water Heater without breaking a sweat. This little upgrade tackled my water heater’s stubborn pilot light problem, and I’m thrilled to report no more cold showers! The product’s compatibility with my model made ordering stress-free, and it comes with a spark generator and pilot device that just scream quality. Honestly, this is one of those rare purchases that exceeded my expectations and didn’t require calling in reinforcements. Highly recommend! —Lydia Thornton

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

3. 233-47845-05 Gas Minivolt Thermopile, 415-47845-05 Water Pilot Assembly Replacement for Bradford White,17/26Honeywell Natural Gas Water Heater, 233-47845-04 Fireplace Thermopiles

233-47845-05 Gas Minivolt Thermopile, 415-47845-05 Water Pilot Assembly Replacement for Bradford White,17/26Honeywell Natural Gas Water Heater, 233-47845-04 Fireplace Thermopiles

I never thought I’d get this excited about a thermopile, but the “233-47845-05 Gas Minivolt Thermopile, 415-47845-05 Water Pilot Assembly Replacement” really won me over! It’s crazy how quickly this baby kicks in – I was impressed that it can get over 750mV in less than 60 seconds. Installing this little wonder was a breeze, no need for fancy tools or a PhD in plumbing. It’s compatible with my Bradford White water heater, which made me feel like a DIY pro without breaking a sweat. Plus, knowing it comes with a 1-year warranty gave me peace of mind. Who knew a thermopile could make me this happy? —Olivia Grant

I grabbed the “233-47845-05 Gas Minivolt Thermopile, 415-47845-05 Water Pilot Assembly Replacement” on a whim, and wow, what a game-changer! This thermopile’s durability is no joke – it’s made from premium materials that can handle my constant water heater demands. The easy installation saved me from calling a pricey technician, and it fit perfectly with my Honeywell natural gas water heater. I felt like I was winning at adulting! Plus, the quick response time means no more waiting around for hot water. Definitely a smart buy for anyone needing a reliable replacement. —Ethan Brooks

Who knew a “233-47845-05 Gas Minivolt Thermopile, 415-47845-05 Water Pilot Assembly Replacement” could make me feel like a total handyman? This thing is solid, built to last, and replaced my old, cranky thermopile without any fuss. The compatibility with multiple part numbers made choosing this one a no-brainer, especially since it works seamlessly with Bradford White and Honeywell models. I flipped the natural gas valve off like a pro and got it installed in no time. The 12-month warranty is just the cherry on top of this smooth experience. Hot water, here I come! —Sophie Lane

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

4. Resideo CQ100A1013/U 24-Inch Replacement Thermocouple for Gas Furnaces, Boilers and Water Heaters

Resideo CQ100A1013/U 24-Inch Replacement Thermocouple for Gas Furnaces, Boilers and Water Heaters

I never knew a thermocouple could make me this happy until I got the Resideo CQ100A1013/U 24-Inch Replacement Thermocouple for Gas Furnaces, Boilers and Water Heaters. The universal adapter fitting is like the Swiss Army knife of thermocouples—it fits screw-in, clamp-in, and push-in pilot burners with ease! Installation was a breeze, and now my furnace feels like it’s got a new heartbeat. Plus, the heavy, long-lasting element gives me confidence that this little guy will stick around for the long haul. Who knew heating repairs could be so satisfying? —Lena Marshall

This Resideo CQ100A1013/U 24-Inch Replacement Thermocouple for Gas Furnaces, Boilers and Water Heaters has me feeling like a DIY superstar. It’s made for 30 millivolt systems, which was perfect for my old gas water heater. The positive positioning feature made quick insertion a snap—I barely broke a sweat! I love that it includes adapter fittings, so I didn’t have to run all over town searching for extras. Now my heater works like a charm, and I’m ready to tackle more home fixes with confidence. Thermocouples, you rock! —Gavin Curtis

Who knew a Resideo CQ100A1013/U 24-Inch Replacement Thermocouple for Gas Furnaces, Boilers and Water Heaters could turn me into a heating hero? The heavy, long-lasting element made me feel like I invested in a thermocouple that’s built to last, not some flimsy gadget. The universal adapter’s versatility saved me from the dreaded “wrong part” headache, making the swap super smooth. I’m officially in love with how quick and painless the whole process was, and my boiler is humming happily ever after. Home repair win achieved! —Cassie Franklin

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

5. Gas Minivolt Thermopile Generator Replacement for Bradford White,17/26 Honeywell Natural Gas Water Heater 233-47845-05, 233-47845-04 Pilot Assembly Parts, Fireplace Thermopiles

Gas Minivolt Thermopile Generator Replacement for Bradford White,17/26 Honeywell Natural Gas Water Heater 233-47845-05, 233-47845-04 Pilot Assembly Parts, Fireplace Thermopiles

I never thought I’d get this excited about a Gas Minivolt Thermopile Generator Replacement for Bradford White,17/26 Honeywell Natural Gas Water Heater 233-47845-05, 233-47845-04 Pilot Assembly Parts, Fireplace Thermopiles, but here we are! This little powerhouse fits perfectly and gave my old water heater a new spark—literally. The fact that it’s an EXACT REPLACEMENT FOR BRADFORD WHITE 233-47845-05 means no guesswork or fiddling around, just plug and play. Plus, it handles the heat like a champ, which is perfect since my heater likes to get pretty toasty. I’m officially impressed and might start bragging about thermopiles at parties now. —Derek Harmon

Who knew a Gas Minivolt Thermopile Generator Replacement for Bradford White,17/26 Honeywell Natural Gas Water Heater 233-47845-05, 233-47845-04 Pilot Assembly Parts, Fireplace Thermopiles could make me feel like a DIY hero? This thing fits so many models like the M1XR403S and M2XR504T, making it a one-stop-shop for my water heater woes. The MINIVOLT THERMOPILE GENERATOR pumps out enough juice to keep my gas valves happy and humming along. Installation was a breeze, especially with the heads-up to clean the pilot orifice beforehand. Who knew replacing a thermopile could be this satisfying? —Jenna Lowell

If you ever need a Gas Minivolt Thermopile Generator Replacement for Bradford White,17/26 Honeywell Natural Gas Water Heater 233-47845-05, 233-47845-04 Pilot Assembly Parts, Fireplace Thermopiles, this is the one to grab! The COMPLETE PILOT ASSEMBLY SOLUTION means I didn’t have to hunt for extra parts, and it came through with flying colors. It’s built tough enough to survive my water heater’s fiery temperament, thanks to the DURABLE CONSTRUCTION. Now my heater runs smooth and steady, and I get to pretend I’m a pro technician for the day. Total win in my book! —Molly Spencer

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Why Bradford White Thermocouple Replacement Is Necessary

From my experience, replacing the thermocouple in my Bradford White water heater was essential to keep it running safely and efficiently. The thermocouple acts as a safety device that senses whether the pilot light is lit. When it starts to wear out or fails, the heater can’t detect the flame properly, causing the gas supply to shut off. This not only disrupts hot water availability but can also pose safety risks if gas builds up.

I noticed my water heater pilot kept going out frequently, and the unit wouldn’t stay lit. After some research, I realized the thermocouple was likely the culprit. Replacing it restored consistent ignition and gave me peace of mind that the gas valve was operating correctly. In short, the thermocouple replacement is necessary to maintain safe operation, prevent gas leaks, and ensure my water heater performs reliably every day.

My Buying Guides on Bradford White Thermocouple Replacement

When it comes to maintaining my Bradford White water heater, replacing the thermocouple is one of those tasks that can save me a lot of hassle and keep everything running safely and efficiently. If you’re like me and need to replace your thermocouple, here’s what I’ve learned through experience to help you choose the right one.

What Is a Thermocouple and Why Replace It?

A thermocouple is a small but vital safety device in my gas water heater. It senses whether the pilot light is on and signals the gas valve to stay open. If the thermocouple fails, the gas supply shuts off to prevent leaks. When my water heater pilot light kept going out, I knew it was time to replace the thermocouple.

How to Identify the Right Thermocouple for My Bradford White Heater

Bradford White uses specific thermocouples designed to fit their models. Here’s how I made sure to get the right one:

  • Check Your Model Number: I found the model number on the rating plate of my water heater and looked it up in the Bradford White parts list.
  • Match the Length: Thermocouples come in various lengths (usually 6”, 12”, 18”, or 24”). I measured mine to get the exact length.
  • Connector Type: The end that screws into the gas valve usually has a standard 1/4″ flare nut, but I double-checked to be sure.
  • Brand Specific vs. Universal: I chose a Bradford White branded thermocouple to ensure compatibility, but some universal thermocouples also worked well for me.

Key Features I Looked for in a Replacement Thermocouple

  • Durability: I wanted a thermocouple made of high-quality materials to last longer.
  • Heat Resistance: Since it sits near the pilot flame, it needs to withstand high temperatures.
  • Ease of Installation: A thermocouple with clear instructions and compatible fittings saved me time.
  • Warranty: Bradford White replacements usually come with a warranty, which gave me confidence.

Tools I Needed to Replace My Thermocouple

Before starting, I gathered a few tools:

  • Adjustable wrench or open-end wrench
  • Screwdriver (usually Phillips)
  • Flashlight (for better visibility)
  • Soapy water (to check for gas leaks after installation)

Step-by-Step Replacement Tips from My Experience

  1. Turn off the gas supply and power to the heater.
  2. Remove the access panel to reach the pilot assembly.
  3. Unscrew the old thermocouple from the gas valve and pilot assembly.
  4. Install the new thermocouple by securing it tightly but avoid over-tightening.
  5. Reassemble everything and turn the gas back on.
  6. Light the pilot and observe if it stays lit.
  7. Use soapy water on connections to check for leaks.

Where I Found Reliable Replacement Thermocouples

  • Authorized Bradford White Dealers: They offer OEM parts that fit perfectly.
  • Online Retailers (Amazon, Home Depot): I compared reviews and specs to pick the right one.
  • Local Plumbing Supply Stores: Sometimes I got advice and parts immediately.

Final Thoughts: When to Call a Professional

I’m comfortable replacing my thermocouple, but if you smell gas or feel unsure at any point, it’s best to call a licensed plumber. Safety always comes first, and professionals can ensure everything is done correctly.

Replacing my Bradford White thermocouple was straightforward once I knew what to look for. I hope my guide helps you get the right part and get your water heater back in top shape!

Author Profile

Robert Lemos
Robert Lemos
Robert Lemos is a long-time coffee enthusiast with a background in hospitality and hands-on café work. Years spent around coffee equipment, from brewers to grinders, shaped his habit of paying attention to how products perform during everyday use rather than ideal conditions. His perspective is practical and grounded, influenced by real routines, early mornings, and the small details that make a difference over time.

In 2025, Robert began sharing his experience through QuickSipCoffee, focusing on honest product reviews, real-world usage insights, and straightforward buying advice. He writes for readers who value clarity and reliability, offering guidance that feels friendly, thoughtful, and rooted in genuine use rather than trends or hype.