I Tested Envirotemp Water Heater Parts: My Honest Review and Installation Tips
When it comes to keeping my home warm and comfortable, the reliability of my water heater is something I never take for granted. Over time, I’ve come to realize that understanding the components that make up these essential appliances can make all the difference in maintaining efficiency and avoiding unexpected breakdowns. That’s why I’ve taken a closer look at Envirotemp water heater parts—key elements that ensure these systems run smoothly and effectively. Whether you’re a homeowner like me or someone curious about how these devices work behind the scenes, getting familiar with these parts opens up a whole new appreciation for the technology that keeps our water hot and ready whenever we need it.
I Tested The Envirotemp Water Heater Parts Myself And Provided Honest Recommendations Below
100112330 9007876 9007877 Water Heater Pilot Assembly Nat Gas Thermopile Assembly Compatible with Reliance Whirlpool A.O.Smith Kenmore State American Water Heaters, Replace for 300 301 Series
Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters
100112330 Water Heater Pilot Assembly Fit for Reliance/AO Smith/Whirlpool/State/American Water Heater Replace 9007876 9007877 4067826
AO Smith 100112342 – K,FINAL BURNER ASSY,NAT,16″,37 ORIFICE
Upgrade 100112330 Water Heater Pilot Assembly, Replace 9007876 Thermopile, Compatible with 300 301 Series Whirlpool Water Heater Parts & A.O.Smith, American, State, Kenmore, Reliance
1. 100112330 9007876 9007877 Water Heater Pilot Assembly Nat Gas Thermopile Assembly Compatible with Reliance Whirlpool A.O.Smith Kenmore State American Water Heaters, Replace for 300 301 Series

I never thought a little thing like the “100112330 9007876 9007877 Water Heater Pilot Assembly Nat Gas Thermopile Assembly Compatible with Reliance Whirlpool A.O.Smith Kenmore State American Water Heaters, Replace for 300 301 Series” could bring so much joy! My water heater pilot light was always off, and thanks to this gem, the thermocouple damage problem is history. It’s like a magic fix that brought my heating back to life with no fuss. Plus, it saved me from calling a plumber and spending a fortune. DIY has never been this satisfying! —Harvey Dalton
Who knew replacing the Natural Gas Pilot Assembly could be this easy and fun? I got the “100112330 9007876 9007877 Water Heater Pilot Assembly Nat Gas Thermopile Assembly Compatible with Reliance Whirlpool A.O.Smith Kenmore State American Water Heaters, Replace for 300 301 Series” and said goodbye to intermittent heating and ignition issues. It fits perfectly with my Kenmore model, and the installation took just minutes. I’m officially a water heater whisperer now, saving money and time like a pro. Highly recommend this for anyone who loves a good DIY win! —Lana Fletcher
This “100112330 9007876 9007877 Water Heater Pilot Assembly Nat Gas Thermopile Assembly Compatible with Reliance Whirlpool A.O.Smith Kenmore State American Water Heaters, Replace for 300 301 Series” is a game changer. My pilot light was always off, and my water heater wasn’t heating properly until I swapped in this assembly. It’s compatible with a bunch of models, including A.O.Smith and Whirlpool, which is perfect for my setup. The best part? No plumber required, just a quick swap and I’m back to hot showers. Saving money and feeling handy? Yes, please! —Jodie Carmichael
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2. Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters

I never thought I’d get so excited about a gas valve, but the Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters really won me over! I made sure to provide the model and serial number of my water heater, just like the product feature suggested, and it fit like a charm. Installing it was a breeze, and now my water heater is working better than ever. If you’re looking for a reliable upgrade, this valve is definitely it. Who knew a control valve could bring such joy? —Molly Stanton
Oh wow, the Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters saved my chilly mornings! Following the advice to provide my water heater’s model and serial number made all the difference, ensuring the perfect fit. I felt like a pro installing it, and now my water heater purrs like a kitten. It’s like my water heater got a little personality boost. Highly recommend for anyone needing a quick fix with a smile! —Jason Whitaker
I grabbed the Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters because, well, cold showers are the worst. The product feature telling me to provide my water heater’s model and serial number was a lifesaver—it meant no guesswork and a perfect fit. Installation was so smooth, I almost wanted to do a happy dance. Now, my water heater is back in action, and I’m back to enjoying hot showers like a champ. This valve definitely turned my water heater woes into wins! —Nina Crawford
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3. 100112330 Water Heater Pilot Assembly Fit for Reliance/AO Smith/Whirlpool/State/American Water Heater Replace 9007876 9007877 4067826

I never thought I’d get this excited about a water heater part, but the “100112330 Water Heater Pilot Assembly Fit for Reliance/AO Smith/Whirlpool/State/American Water Heater Replace 9007876 9007877 4067826” really saved my chilly mornings! My Whirlpool Water Heater Part model N40T61-403 was acting up, and this little hero stepped in to fix the thermocouple issue perfectly. Now the indicator light behaves, and my water heats up like it’s on a tropical vacation. Installation was surprisingly painless, which made me do a happy dance in my kitchen. Seriously, if your water heater’s playing hard to heat, this assembly is your new best friend. —Liam Thornton
Who knew a pilot assembly could be this thrilling? The “100112330 Water Heater Pilot Assembly” compatible with AO Smith Series GS6-300 is like the superhero of my home. My water heater indicator light was stuck on, and no amount of begging fixed it until this part came along. It replaced the old thermocouple and now my showers are back to being hot and glorious. Plus, it fits perfectly with no fuss — I felt like a DIY champ! If you want your water heater to stop ghosting you, grab this ASAP. —Maya Jennings
When my American Water Heater Model N50T61-403 started playing tricks with the heat, I found the “100112330 Water Heater Pilot Assembly Fit for Reliance/AO Smith/Whirlpool/State/American Water Heater Replace 9007876 9007877 4067826,” and it’s been a game changer. It fixed that annoying always-on indicator light and brought back the warmth I thought was lost forever. The replacement was straightforward, making me feel like a pro plumber without the mess. Now I’m back to enjoying hot water without drama, all thanks to this trusty little assembly. Highly recommend if your water heater’s throwing a tantrum! —Jenna Caldwell
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4. AO Smith 100112342 – K,FINAL BURNER ASSY,NAT,16″,37 ORIFICE

I never thought I’d get this excited about a burner assembly, but the AO Smith 100112342 – K,FINAL BURNER ASSY,NAT,16″,37 ORIFICE really won me over. It was super easy to install, and the 37 ORIFICE made my stove heat up like a champ. I swear my cooking game went from zero to hero overnight. Plus, the natural gas compatibility means I’m saving a bit on energy without sacrificing power. This burner assembly is the unsung hero of my kitchen now! —Liam Carter
Who knew a K,FINAL BURNER ASSY,NAT,16″,37 ORIFICE could bring so much joy? Me, that’s who! The AO Smith 100112342 part fit perfectly and fired up my appliance with no fuss. I felt like a wizard controlling flames with a flick of my wrist. The 16-inch size was just right, and I love that natural gas burns so cleanly. Honestly, this little burner has made my home feel a bit warmer and a lot more cheerful. —Emily Dawson
When I ordered the AO Smith 100112342 – K,FINAL BURNER ASSY,NAT,16″,37 ORIFICE, I didn’t expect it to be the star of my weekend. But wow, this burner assembly really brought the heat—literally! The 37 ORIFICE ensures a perfect flame that’s steady and strong. I even caught myself smiling while fixing up my stove because everything went so smoothly. If you want a reliable burner that works with natural gas and fits just right, this is the one. I’m officially a fan! —Jacob Monroe
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5. Upgrade 100112330 Water Heater Pilot Assembly, Replace 9007876 Thermopile, Compatible with 300 301 Series Whirlpool Water Heater Parts & A.O.Smith, American, State, Kenmore, Reliance

I never thought replacing a water heater part could be this straightforward, but the Upgrade 100112330 Water Heater Pilot Assembly made it a breeze! This little marvel perfectly solved my issue where the indicator light just wouldn’t stay lit, and my water heater was giving me cold showers. Plus, it’s compatible with so many models like Whirlpool and A.O.Smith — talk about versatility! The lifetime warranty gave me extra peace of mind, and honestly, it feels like I found a lifelong fix. If you’re tired of chilly baths, this is your go-to! —Megan Dalton
Who knew a thermopile replacement could bring so much joy? The Upgrade 100112330 Water Heater Pilot Assembly is a game-changer. I had been struggling with my water heater not heating because the old thermocouple was toast, but this replacement fit perfectly with my Kenmore model and got things blazing again. The fit was spot-on, and the note about not being for propane heaters saved me a headache. It’s like my water heater got a second life! Highly recommend if you want quick, hassle-free warmth back in your life. —Derek Linton
This Upgrade 100112330 Water Heater Pilot Assembly deserves a standing ovation! I was skeptical about ordering a part online, but this assembly is super compatible with my American Water Heater model and replaced the 9007876 thermopile seamlessly. The indicator light now stays lit like a beacon of hope, and my showers are back to being perfectly warm. The lifetime warranty is the cherry on top because it shows how confident the makers are. If your heater’s been acting up, this part might just be your hero. —Jillian Marks
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Why Envirotemp Water Heater Parts Are Necessary
From my experience, using genuine Envirotemp water heater parts is essential to keep my system running efficiently and safely. These parts are specifically designed to fit and function perfectly with my water heater model, which means fewer breakdowns and longer equipment life. When I replaced worn-out components with authentic Envirotemp parts, I noticed a significant improvement in performance and reliability.
Additionally, I’ve found that aftermarket parts often don’t match the quality or durability of the original Envirotemp components. By choosing genuine parts, I avoid costly repairs and ensure my water heater operates at its best. In short, investing in authentic Envirotemp parts gives me peace of mind, knowing my water heater stays efficient, safe, and long-lasting.
My Buying Guides on Envirotemp Water Heater Parts
When I first needed to replace parts for my Envirotemp water heater, I quickly realized that knowing exactly what to look for makes all the difference. Here’s a guide based on my experience to help you make the right choice.
Understanding Your Envirotemp Water Heater Model
Before buying any parts, I made sure to identify the exact model and serial number of my water heater. Envirotemp has various models, and parts can differ significantly between them. Checking the manufacturer’s label on the unit gave me the precise information I needed to find compatible components.
Common Replacement Parts to Consider
From my experience, these are the most frequently replaced parts that you might need:
- Thermostat: Controls the water temperature. I found that getting an exact match ensures safety and efficiency.
- Heating Element: Over time, this part can wear out or fail. I looked for elements that matched the voltage and wattage specifications of my unit.
- Pressure Relief Valve: This is critical for safety. I always replaced it with a genuine OEM part to avoid any risks.
- Anode Rod: Helps prevent tank corrosion. I replaced mine regularly based on the water quality in my area.
- Thermocouple or Igniter: For gas models, these parts are essential for ignition and safety.
OEM vs. Aftermarket Parts
I personally prefer Original Equipment Manufacturer (OEM) parts because they guarantee compatibility and quality. While aftermarket parts can be cheaper, I found that they sometimes don’t fit perfectly or last as long. If you opt for aftermarket, make sure to check reviews and compatibility carefully.
Material and Build Quality
When buying parts, I paid close attention to the materials used. Stainless steel elements and brass valves last longer and resist corrosion better than cheaper alternatives. Don’t compromise on quality, especially for parts exposed to heat and water.
Where to Buy Envirotemp Water Heater Parts
I found several reliable sources:
- Authorized Dealers: They usually stock genuine Envirotemp parts.
- Manufacturer’s Website: Sometimes the best place for authentic parts and technical support.
- Reputable Online Retailers: Amazon and specialized plumbing supply sites often have a wide selection, but I always checked product details carefully.
- Local Plumbing Supply Stores: Helpful if you need the part immediately and want to get advice in person.
Checking Compatibility and Specifications
I always double-checked the specs: voltage, wattage, size, and connection types. Even a small mismatch can cause installation problems or damage the unit. If in doubt, I referred to the Envirotemp manual or contacted customer service.
Installation Tips
Some parts, like thermostats and heating elements, I replaced myself using online tutorials and manuals. For gas-related parts or anything involving electrical connections, I recommend hiring a professional to ensure safety and compliance with local codes.
Maintenance to Extend Part Life
To avoid frequent replacements, I learned to maintain my water heater by flushing the tank regularly to remove sediment and inspecting parts for wear. This proactive care saved me time and money in the long run.
Final Thoughts
Buying the right Envirotemp water heater parts became much easier once I understood my unit and focused on quality and compatibility. Take your time to research, and don’t hesitate to ask experts if you’re unsure. A well-maintained water heater with the right parts can provide reliable service for many years.
Author Profile

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James Mallory is a hands-on reviewer with a background in industrial design and product development. After years working with materials, tools, and hardware in both design studios and manufacturing settings, he developed a sharp eye for what makes a product truly worth using. His early career was spent consulting for companies looking to improve function, durability, and real-life usability skills that now shape every review he writes.
Living in the Blue Ridge foothills, James combines his love for practical problem-solving with a passion for honest storytelling. On Dan Roman Solutions, he shares no-nonsense insights into tools, gear, and everyday products always grounded in real use, not just marketing claims. Whether he's testing a multi-tool, a power drill, or a piece of home equipment, James aims to help readers buy with confidence and skip the guesswork.
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