Transforming a standard gas grill or outdoor oven into a high-heat pizza station is a popular way to achieve restaurant-quality pies at home. This guide highlights top gas burner attachments and conversion kits designed for popular models like Ooni Karu, Karu 12, and similar setups. Each option focuses on simple installation, reliable heat, and safe operation to help you decide which kit best fits your outdoor kitchen needs.
Summary table of selected products:
| Product | Brand | Key Benefit | Temp Capability |
|---|---|---|---|
| Uniflasy Gas Burner for Karu 16 & Karu 2 Pro | Uniflasy | Easy install, high heat | Up to 950°F |
| CSZKJXPA Gas Burner Attachment for Karu 12/12G | CSZKJXPA | Complete kit with regulator and hose | Up to 950°F |
| Ooni Karu 2 Pro Gas Burner | ooni | Direct back-of-oven gas power | Up to 950°F |
| Uniflasy Gas Burner for Ooni Karu 12 | Uniflasy | Simple screw-on conversion | Up to 950°F |
| Ooni Karu 12/2/12G Gas Burner | ooni | Back-of-oven gas conversion | Up to 950°F |
Uniflasy Gas Burner for Karu 16 and Karu 2 Pro

This attachment is engineered to convert Karu 16 and Karu 2 Pro ovens to propane gas operation. Installation is straightforward: mount the burner to the back of the oven with two self-tapping screws, requiring minimal tools. The unit supports high-heat performance up to 950°F, with a built-in control knob for precise temperature management—ideal for pizzas, veggies, and meats. The kit includes a 3-foot propane hose with a 28 mbar regulator and two mounting screws, offering added flexibility in tank positioning and safer operation.
CSZKJXPA Gas Burner Attachment for Karu 12/12G

CSZKJXPA’s gas burner is designed for Karu 12, Karu 12G, and Fyra 12 ovens, enabling quick and safe gas conversion. The kit includes a gas burner, propane regulator with hose, match holder, screws, wrench, and thread sealant tape—everything needed for easy setup. It reaches up to 950°F in about 20 minutes, with a flame pattern that provides broader top coverage for even heat. The burner supports versatile outdoor cooking, including roasting veggies and meats, in addition to pizza.
Ooni Karu 2 Pro Gas Burner

The Karu 2 Pro Gas Burner is a purpose-built option for Ooni Karu 2 Pro owners seeking a gas-powered setup. It attaches to the back of the oven, enabling gas operation with minimal maintenance. The heat-control dial allows cooking across a range up to 950°F, including a low-power function that supports slower cooking for certain pizzas and meats. This burner emphasizes convenience and speed, maintaining the high-heat performance that pizza enthusiasts expect from gas-fired ovens.
Uniflasy Gas Burner for Ooni Karu 12 and 12G

Uniflasy’s Karu 12/12G gas burner attachment is designed for quick and easy propane conversion. Mounting requires two self-tapping screws, after which the oven becomes a reliable propane heat source. The kit includes a gas burner, a propane connection valve hose, screws, and a note about an igniter (battery not included). It’s noted for achieving up to 950°F within about 25 minutes, with flame coverage broad enough to heat the pizza stone evenly. The design aims to balance speed with heat distribution for crust perfection.
Ooni Karu 12/2/12G Gas Burner

Designed for the Karu 2 and 12G families, this gas burner attachment provides a straightforward path to propane-powered performance. Attaching to the back of the oven enables gas operation with comparable heat and speed to the original fuel sources. The unit supports temperatures up to 950°F, and its quick-connect style aims to simplify setup and daily use, making it a practical option for users seeking a consistent gas-fueled pizza experience.
Buying Guide: Key Considerations For Gas-To-Pizza Converters
When choosing a gas burner or conversion kit for your pizza oven, consider the following:
- Compatibility: Verify model compatibility (Karu 12, Karu 12G, 16, Pro variants, Fyra, etc.) and ensure the kit includes the appropriate mounting hardware.
- Heat Performance: Look for a rated maximum temperature around 900–950°F to achieve crispy crusts and well-browned toppings; note the time to reach peak heat can vary by model.
- Installation: Prefer kits with simple mounting, usually two screws, and minimal extra tools. Check if an igniter is included or if a battery is required.
- Fuel Type: Propane is common; confirm regulator pressure (e.g., 28 mbar) and hose length to fit your space and tank placement.
- Safety: Ensure leak checks, proper hose routing, and away-from-heat handling of regulators and connections. Look for hoses with adequate insulation and exterior protection.
- Versatility: Some burners work with multiple Ooni models or even other grill brands, offering broader use beyond pizzas.
- Durability: Materials like stainless steel resist outdoor exposure and weathering; consider corrosion resistance for long-term use.
- Maintenance: Easy access to replaceable parts, compatible seals, and clear user instructions contribute to reliable operation.
Comparison Of Top Options
All listed products emphasize quick setup and high-heat output, but they differ in model specificity and included components. Uniflasy options tend to bundle extra hoses or mounting hardware, enhancing flexibility in tank placement. Ooni-branded burners are designed to slot directly onto back-of-oven mounts for seamless integration with Ooni models. CSZKJXPA offers a comprehensive kit with regulator, hose, and installation accessories, focusing on a complete solution for compatible Karu ovens. Consumers should assess installation ease, included parts, and the specific oven model to ensure a snug fit and optimal heat distribution.
Safety And Use Tips
- Always inspect hoses and regulators before use; replace worn components promptly.
- Operate in well-ventilated outdoor areas and keep flammable materials away from the heat source.
- Preheat gradually to avoid thermal shock to the oven or stone; monitor temperatures with the built-in or external thermometer.
- Follow manufacturer installation instructions carefully; improper mounting can affect performance and safety.