A gas burner can make a compatible outdoor pizza oven easier to start and control, but fit matters more than a long feature list. These five attachments are aimed at specific oven models, and some listings make different compatibility claims in their titles and descriptions. Check your oven’s exact model and the burner’s fuel requirements before buying.
Quick Comparison
| Product | Stated compatibility | Standout detail | Best for |
|---|---|---|---|
| BIG HORN OUTDOORS Propane Gas Burner | BIG HORN OUTDOORS 12-inch pizza oven | Heat control dial and low-power cooking function | Owners of the matching BIG HORN oven |
| Uniflasy Gas Burner Attachment | Description specifies Karu 12 and Karu 12G | Claims to reach 950°F in about 25 minutes | Shoppers seeking a third-party Karu attachment |
| Ooni Karu 2/12G Gas Burner | Description specifies Karu 2/12G | Includes gas regulator; has a low-power function | Owners of a compatible Ooni model who want a branded attachment |
| Yuflame Gas Burner | Karu 12 and Karu 12G, according to the description | Stainless steel construction and included hose and regulator | Karu owners comparing third-party conversion kits |
| PLUSBROIL Gas Burner | Karu 12 and Karu 12G; listing also says most 12-inch ovens | Includes a 5-foot hose and claims a 20–25 minute preheat | Shoppers wanting a kit with detailed setup instructions |
Our Picks: Best Gas Burners For Pizza Ovens reviews
BIG HORN OUTDOORS Burner for the Matching 12-Inch Oven
This attachment is designed for the BIG HORN OUTDOORS 12-inch pizza oven. It connects to the back of the oven and offers a gas-powered alternative to tending a wood fire. The heat control dial is listed as reaching up to 350°C, and the description also mentions a low-power function for slower cooking.
The package is described as including a gas hose and pressure regulator, so it is presented as a ready-to-connect kit for the stated oven. One point needs extra care: the listing uses both propane and natural-gas wording. Confirm the approved fuel and regulator setup for your oven before connecting anything; do not assume one connection works with both fuel types.
This is the most straightforward choice here if you already own the matching BIG HORN oven and want an attachment made for it. It is less suitable if you have another brand or size of oven, since the supplied information does not establish broader compatibility.
Pros:
- Designed for the BIG HORN OUTDOORS 12-inch oven
- Heat control dial and a stated low-power cooking function
- Gas hose and pressure regulator are included
Cons:
- Compatibility is limited to the specified BIG HORN oven
- The listing’s fuel wording should be confirmed before use
Verdict: Choose this burner if you have the matching BIG HORN 12-inch oven and can confirm the correct fuel connection for your setup.
Uniflasy Attachment with a Stated Fast Preheat
This third-party burner is described as a propane attachment for the Karu 12 and Karu 12G. Its listing says it can reach 950°F in about 25 minutes and gives you a control knob to adjust heat while cooking. That kind of adjustment can be useful when you want to manage the bake without tending a wood fire.
The package is listed as including the burner, a propane connection valve hose, and two screws. The instructions specify using it with the oven door off and the chimney on. Compatibility wording is not fully consistent: the title also mentions Fyra 12, while the description focuses on Karu 12 and Karu 12G. Verify your exact oven model and any regulator requirements before ordering.
Compared with the Ooni-branded option below, this attachment makes a similar case for easier heat control but is a third-party product. It may suit a Karu owner considering a lower-cost alternative, but the fit claims and setup details deserve close checking.
Pros:
- Claims a 950°F preheat in about 25 minutes
- Includes a hose and mounting screws
- Offers a control knob for adjusting heat during cooking
Cons:
- Compatibility claims differ between the title and description
- Instructions require the oven door to be off and chimney to be on
Verdict: Consider this option for a Karu 12 or Karu 12G only after confirming the model fit and connection requirements for your oven.
Ooni Burner for Karu 2/12G with Low-Power Control
This Ooni-branded burner attaches to the back of a compatible oven to provide propane heat. The description specifies Karu 2/12G compatibility, includes a gas regulator, and lists a heat control dial with a range up to 950°F. It also mentions a low-power cooking function for slower cooking.
Its main advantage is the direct fit claim for the named Ooni models, paired with a regulator in the package. The listing title also mentions Karu 12, but the description says the burner is compatible with Karu 2/12G only. Check your oven’s exact model before buying, especially if you own a Karu 12 that is not identified as a 12G.
Compared with the third-party Karu options in this list, this is the branded choice. The supplied details focus on easy attachment and reduced soot and cleanup, but do not give a specific preheat time.
Pros:
- Ooni-branded attachment for the specified Karu 2/12G models
- Gas regulator is included
- Heat dial and low-power cooking function
Cons:
- The description specifies Karu 2/12G, so confirm fit for other Karu models
- No preheat time is stated in the supplied details
Verdict: This is the clearest fit for owners of a Karu 2/12G who prefer an Ooni-branded attachment and want a low-power setting.
Yuflame Stainless Steel Burner for Karu Ovens
Yuflame describes this burner as a propane attachment for Karu 12 and Karu 12G ovens. It includes a regulator hose, valve, and screws, with a control knob for adjusting gas flow. The listing also describes the burner as stainless steel and designed for outdoor use.
Unlike the Uniflasy and PLUSBROIL options, this listing does not give a specific preheat time or maximum temperature. That makes direct performance comparisons difficult. Its appeal is the included connection kit and stated material, while its fit claim is limited to the two Karu models named in the description.
As with any third-party attachment, check that the oven model matches the listing and follow the supplied setup instructions. Do not rely on a general “fits Karu” assumption if your model designation differs.
Pros:
- Listing specifies Karu 12 and Karu 12G compatibility
- Includes a regulator hose, valve, and mounting screws
- Stainless steel construction is stated in the description
Cons:
- No specific temperature or preheat time is provided
- Fit is not established for other oven models
Verdict: Pick the Yuflame if your oven is a listed Karu model and you value an included connection kit over published preheat figures.
PLUSBROIL Kit with a 5-Foot Hose
PLUSBROIL describes this propane conversion kit as designed for Karu 12 and Karu 12G ovens, and says it may fit most 12-inch outdoor pizza ovens. The package includes a burner, a 5-foot propane hose with regulator, and four screws. Its description claims a preheat to 950°F in 20–25 minutes.
The listing provides more setup detail than most of the alternatives here. It says to use the burner with the oven door removed and chimney installed, and advises keeping the hose away from the hot oven and checking for gas leaks before use. Follow the product instructions and confirm the fit for your exact oven; the broad “most 12-inch” claim is not a substitute for model-specific confirmation.
This kit stands out for its stated hose length, included regulator, and specific preheat claim. Those details make it easier to compare on paper, but they do not establish compatibility with every 12-inch oven.
Pros:
- Includes a 5-foot propane hose, regulator, and four screws
- Claims a 950°F preheat in 20–25 minutes
- Provides setup and gas-leak-check instructions
Cons:
- Broad fit claim should be verified against your oven model
- Instructions require the door off and chimney installed
Verdict: Consider PLUSBROIL if your oven’s fit is confirmed and you want a kit with a longer specified hose and detailed setup guidance.
How to Choose a Gas Burner for a Pizza Oven
Confirm the exact oven model
Compatibility is the most important factor. A burner made for one oven or model generation may not fit another, even if both are the same size or share a brand name. Compare the burner’s compatibility details with the model name on your oven, and contact the maker if the listing’s title and description disagree.
Check the required fuel and regulator
These products are described mainly as propane attachments, and several include a hose or regulator. Check which fuel your oven and burner are designed to use, and make sure the regulator and connection match. If a listing uses unclear or mixed fuel wording, ask for clarification before connecting it.
Look at temperature control and heat claims
A control knob can help you adjust the burner during cooking. Some listings also state a maximum temperature or preheat time, while others do not. Treat those figures as product claims rather than a promise of the exact result in every setup; oven conditions and the specific model can affect cooking.
Review the required oven setup
Some attachments specify that the oven door must be removed and the chimney left installed. Check these instructions before buying so you know how the oven must be configured for gas use. Follow the burner’s own directions rather than assuming your normal wood-fired setup remains unchanged.
Compare what comes in the box
Included parts vary. A kit may list a regulator, hose, valve, and mounting screws, while another may include only some of these items. Check the package contents and confirm whether anything else is required for your oven before starting assembly.
Keep safe operation in mind
Use the burner only with a compatible oven and the specified fuel connection. Follow the supplied lighting and installation instructions. Where the instructions call for a leak check, complete it before use, and keep the gas hose away from the hot oven as directed.
Frequently Asked Questions
Can I use any gas burner with any pizza oven?
No. These attachments are designed for particular oven models or model families. Confirm compatibility with your exact oven before buying, even when a listing makes a broad size-based fit claim.
Do these burners use propane?
Most of the products here are described as propane burners or propane conversion kits. The BIG HORN listing has mixed fuel wording, so confirm its approved fuel and regulator requirements before connecting it.
Can I keep the oven door on when using a burner attachment?
Not always. The Uniflasy and PLUSBROIL descriptions say to use their burners with the door off and chimney on or installed. Check the instructions for the specific attachment you choose.
Which option gives a stated 950°F preheat claim?
The Uniflasy listing says it can reach 950°F in about 25 minutes, and PLUSBROIL states 950°F in 20–25 minutes. These are listing claims, not guaranteed results for every oven or setup.
Do all the products include a gas regulator and hose?
The supplied descriptions list a hose and regulator or regulator hose for several products, but the package details differ. Check the exact product’s included parts and connection requirements before ordering.
What should I do if the product title and description list different oven models?
Do not guess. Check the exact model and contact the seller or manufacturer to confirm fit before buying. This is especially important when a title mentions a model that the product description does not.
Final Recommendation
Start with oven compatibility, then compare the included regulator and hose, temperature controls, and setup instructions. For a matching BIG HORN OUTDOORS 12-inch oven, its dedicated attachment is the most direct option. For Karu 2/12G owners who prefer a branded product, the Ooni burner is the clearest match in this group. If you are considering a third-party Karu attachment, verify the exact model fit and connection requirements before ordering.
