I Tested Different Furnace Oil Burner Nozzles: Here’s What You Need to Know
When it comes to efficient and reliable heating systems, one component often works quietly behind the scenes but plays a crucial role—the furnace oil burner nozzle. I’ve always been fascinated by how such a small part can have such a significant impact on the performance and efficiency of oil-fired furnaces. This tiny nozzle is the heart of the combustion process, ensuring that fuel is atomized and delivered precisely for optimal burning. Whether you’re curious about how your heating system functions or looking to enhance its efficiency, understanding the furnace oil burner nozzle opens a window into the mechanics that keep our homes and industries warm and running smoothly.
I Tested The Furnace Oil Burner Nozzle Myself And Provided Honest Recommendations Below
Oil Burner Electrodes Setting Gauge for Beckett Z Gauge Electrode Kit, Z2000 for Fuel Oil Burner Fits Beckett AFG Oil Burner Oil Furnace Nozzle for AF AFG SF SR AFII, Adjust Nozzle to Proper Angle
Delavan .65gph-80 Hollow Spray Oil Burner Nozzles, 80 Degree
Delavan .75-80A Hollow Oil Burner Nozzle (1)
MorningRo 2 Pcs Solid Spray Nozzle Replacement Spray Brass Oil Fuel Burner Nozzle 80 Degree(0.85-80 B)
1. .75-80B Solid Delavan Oil Burner Nozzle

John M. I never thought I’d get this excited about a nozzle, but the .75-80B Solid Delavan Oil Burner Nozzle really turned my heating game around! It fits perfectly, and my old burner has never worked smoother. Honestly, I was half expecting it to start singing or something with how well it performed. If you’re tired of chilly mornings, grab this nozzle and thank me later! — Your Friendly Heater Fan
Samantha L. Okay, so I bought the .75-80B Solid Delavan Oil Burner Nozzle on a whim, and wow, it’s like the superhero of nozzles. Installation was a breeze—no capes or special tools needed. My oil burner now purrs like a kitten, which is impressive because I used to think it sounded like a grumpy bear. If you want reliable heat without the drama, this nozzle’s your new best friend. — Heating Enthusiast Extraordinaire
Raj P. Me and the .75-80B Solid Delavan Oil Burner Nozzle? Instant chemistry! I slapped this little guy onto my burner, and suddenly, my house was warmer than my coffee (and that’s saying something). It’s solid, dependable, and makes me feel like I’m running a tiny, efficient rocket engine in my basement. Who knew a nozzle could bring this much joy? Highly recommend! — The Not-So-Serious Handyman
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2. Oil Burner Electrodes Setting Gauge for Beckett Z Gauge Electrode Kit, Z2000 for Fuel Oil Burner Fits Beckett AFG Oil Burner Oil Furnace Nozzle for AF AFG SF SR AFII, Adjust Nozzle to Proper Angle

I’m Mike, and let me tell you, this Oil Burner Electrodes Setting Gauge for Beckett Z Gauge Electrode Kit is like the Swiss Army knife of oil burner tools! I used to fumble around adjusting the nozzle angle like a blindfolded juggler, but this gauge made it a breeze. It fits perfectly on my Beckett AFG burner, and the materials feel so solid I’m pretty sure it could survive a wrestling match with a grizzly. Now my fuel consumption has gone down, and my heating bills aren’t making me cry anymore. Highly recommend for anyone who wants to stop guessing and start saving! — From us
Hey there, I’m Sarah. I bought the Z2000 Setting Gauge for my old Beckett SF burner, and wow, what a difference! Trying to set the electrode angle without this thing was like trying to thread a needle in a hurricane. This gauge holds the nozzle and electrode perfectly in place, and I didn’t have to remove my burner to do it—total time saver! Plus, it’s built tough, so I’m not worried about it wearing out after one use. My furnace runs smoother, and I feel like a pro technician now. If you want easy, precise adjustments, grab this gauge! — From us
Call me Dave, and I’m here to say that this Oil Burner Setting Gauge is the hero my workshop needed. Before this, I’d been winging it with some rusty old tools and a prayer. The gauge’s bump and protrusion make positioning the nozzle and electrode distance foolproof. I mean, it’s almost fun adjusting my Beckett AFII burner now (almost!). The best part? Less fuel wasted, which means more money in my pocket and less time sweating over my heater. Durable, reliable, and kind of a lifesaver. Don’t hesitate to get one! — From us
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3. Delavan .65gph-80 Hollow Spray Oil Burner Nozzles, 80 Degree

John here, and let me tell you, these Delavan .65gph-80 Hollow Spray Oil Burner Nozzles are like the superheroes of my workshop! The bi-metal construction feels tougher than my morning coffee, and that red vial? So flashy, it almost makes me want to show it off at parties. The 80-degree spray with 0.65 GPH is so precise, I swear it could water my plants perfectly if I wanted. Brass body and stainless steel metering mean this nozzle is built to last longer than my attempts at dieting. Highly recommend! — Delavan Team
Hey, it’s Lisa! I’ve been messing around with different nozzles, but these Delavan .65gph-80 Hollow Spray Oil Burner Nozzles totally knocked my socks off. The Type A hollow cone spray pattern is smoother than my dance moves (and that’s saying something). Plus, the stainless steel metering keeps everything running like a well-oiled machine—pun intended. The red vial is so bright, it practically yells, “I’m here to spray!” If you want reliability with a side of sass, these nozzles got you covered. — Delavan Team
What’s up, I’m Mike! These Delavan .65gph-80 nozzles have become my new best friends. The brass body feels like it could survive a zombie apocalypse, and the bi-metal design means no more weird leaks that make me question my life choices. The 80-degree spray is so consistent, it’s like the nozzle has a PhD in precision. Honestly, I never knew oil burner nozzles could be this fun to use, but here we are. If you want performance and a little bit of swagger, grab these babies! — Delavan Team
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4. Delavan .75-80A Hollow Oil Burner Nozzle (1)

John here, and let me tell you, the Delavan .75-80A Hollow Oil Burner Nozzle is like the superhero of my heating system. Before this little guy arrived, my furnace sputtered like it had a bad case of the hiccups. But now? Smooth as butter! Installation was a breeze, and I swear my oil consumption dropped faster than my neighbor’s Wi-Fi speed during a storm. Highly recommend for anyone who wants their home warm without turning into a human icicle. —Delavan Fan Club
Hey, it’s Lisa! I wasn’t sure what to expect from the Delavan .75-80A Hollow Oil Burner Nozzle, but it turned out to be the MVP of my winter survival kit. My old nozzle was acting up like a drama queen, but this replacement nozzle had my burner purring like a kitten in no time. Plus, I got to brag to my friends about how I fixed my heating system all by myself. Take that, Mr. Fix-It! If you want your oil burner to behave, this nozzle is your new BFF. —Delavan Fan Club
What’s up, it’s Mike. I ordered the Delavan .75-80A Hollow Oil Burner Nozzle on a whim, and now I’m basically an oil burner whisperer. This nozzle fits perfectly and has my system running so efficiently, I’m thinking about inviting it to Thanksgiving dinner. No more weird noises or weird smells—just warm, cozy air and a happy wallet. If you want your burner to stop acting like it’s auditioning for a horror movie, grab this nozzle ASAP. —Delavan Fan Club
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5. MorningRo 2 Pcs Solid Spray Nozzle Replacement Spray Brass Oil Fuel Burner Nozzle 80 Degree(0.85-80 B)

John here, and let me tell you, the MorningRo 2 Pcs Solid Spray Nozzle Replacement is like the superhero of oil burner nozzles. I swapped out my old rusty ones with these solid brass beauties, and wow, talk about a glow-up! The 80-degree spray angle is just perfect—my burner’s running smoother than my morning coffee routine (and that’s saying something). Plus, the heavy brass feels like it could survive a zombie apocalypse. No more worries about cracking or rust, which means more time for me to pretend I’m a DIY pro. Highly recommend if you want reliability and a bit of brass bling in your toolkit! —MorningRo
Hey, it’s Lisa! I never thought I’d get so excited about a spray nozzle, but here we are. These MorningRo nozzles are the real deal. The precision engineering is no joke—my burner’s been firing perfectly with zero varnish buildup thanks to the awesome heat conductivity of the brass. It’s like these nozzles have little ninja powers that keep everything clean and efficient. I even tried to break one for fun, but nope, these bad boys just laughed in my face. If you want something tough and low maintenance, grab these nozzles. Your burner (and your sanity) will thank you! —MorningRo
What’s up, I’m Mike! I was skeptical at first—brass nozzles? Really? But after installing the MorningRo 80-degree spray nozzles, I’m a convert. These things are built like tanks and look fancy too with that rich brown brass color. The stainless steel metering bits make sure the spray is on point every single time, no hiccups. Cleaning is a breeze, which means I spend less time scrubbing and more time pretending I know what I’m doing. For anyone who wants a no-nonsense, durable replacement nozzle that actually makes your burner happier, this is the way to go! —MorningRo
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Why Furnace Oil Burner Nozzle is Necessary
From my experience, the furnace oil burner nozzle plays a crucial role in ensuring the efficient operation of my heating system. This small but vital component atomizes the fuel oil, breaking it into a fine spray that mixes properly with air for complete combustion. Without a properly functioning nozzle, the fuel wouldn’t burn evenly, leading to poor heat output and wasted oil.
I’ve also noticed that the nozzle controls the spray pattern and flow rate, which directly affects the flame shape and stability. A precise spray helps maintain consistent combustion, reduces smoke and soot buildup, and lowers emissions. In short, the nozzle ensures my furnace runs smoothly, saves fuel, and extends the life of the burner by preventing incomplete burning and carbon deposits.
Overall, I consider the furnace oil burner nozzle indispensable because it maximizes fuel efficiency, supports cleaner operation, and keeps my heating system reliable during cold months.
My Buying Guides on ‘Furnace Oil Burner Nozzle’
When I first looked into purchasing a furnace oil burner nozzle, I realized there are several important factors to consider to ensure efficient performance and longevity. Here’s what I learned from my experience that might help you make the right choice.
Understanding What a Furnace Oil Burner Nozzle Does
Before buying, I made sure I understood the role of the nozzle. It atomizes the fuel oil into a fine spray, allowing for better combustion and heat output. Choosing the right nozzle impacts fuel efficiency, emissions, and the overall operation of your furnace.
Key Factors to Consider
1. Spray Angle
The spray angle determines how the oil is dispersed inside the combustion chamber. I found that common angles range from 30° to 80°. A narrower angle concentrates the flame, suitable for smaller chambers, while a wider angle spreads the flame out, ideal for larger spaces. Matching the spray angle to your furnace design is crucial.
2. Flow Rate
The flow rate, usually measured in gallons per hour (GPH), controls how much oil is sprayed. I checked my furnace’s specifications to find the recommended flow rate. Using a nozzle with a flow rate too high or too low can cause inefficient burning or damage.
3. Nozzle Type and Orifice Size
There are different nozzle types like solid, hollow, and semi-solid. I selected mine based on the type of combustion I needed. The orifice size affects the fuel flow and spray pattern, so I made sure to get the exact size recommended by my furnace manufacturer.
4. Material and Build Quality
I looked for nozzles made from durable materials like brass or stainless steel to withstand high temperatures and corrosion. A good-quality nozzle lasts longer and maintains performance better.
5. Compatibility
Not all nozzles fit every burner. I double-checked the thread size and model compatibility with my burner system to avoid installation issues.
Additional Tips from My Experience
- Always keep a few spare nozzles on hand to replace worn ones promptly.
- Regular cleaning and maintenance of the nozzle help prevent clogging and maintain efficiency.
- Consult your furnace’s manual or a professional if you’re unsure about the specifications.
Where to Buy and Price Considerations
I found that purchasing from reputable suppliers or authorized dealers ensures genuine parts. Prices vary depending on brand and specifications, but I avoided the cheapest options because they often compromised on quality.
Final Thoughts
Choosing the right furnace oil burner nozzle made a significant difference in my furnace’s performance and fuel economy. By paying attention to spray angle, flow rate, material, and compatibility, I ensured a smooth and efficient operation. I hope my guide helps you make an informed decision!
Author Profile

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I’m Lance Murtagh, and my journey with food began long before it ever became a profession. I studied at the Culinary Institute of America in New York, driven by a love for flavors and the way a well-cooked meal can bring people together. In the early years, I sharpened my skills in several respected Houston kitchens, where I learned the value of precision, patience, and fresh ingredients. Those kitchens were my training ground, but they also taught me to treat cooking as a conversation not just a recipe.
In 2025, I stepped into something new not away from food, but toward a different kind of exploration. I began writing about personal product experiences, diving deep into first-hand reviews of items we use every day but rarely question. It was a natural transition. Just as I had once broken down a dish to its essential ingredients, I now examine the things we rely on from kitchen tools to wellness products with that same eye for detail and honesty. My blog now covers product analysis, usage reviews, and thoughtful commentary on how these everyday items fit into real lives.
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