Best Natural Gas to Propane Conversion Kits for Grills and Griddles

Answer: If you need to switch a gas grill from natural gas to propane, these conversion kits provide tested nozzle sizes, regulator hoses, and fittings to help you grill with propane power. The kits below suit Weber Genesis and Spirit models, Blackstone griddles, and similar setups. Best for backyard cooks, frequent travelers, and stove-top griddle users who want reliable propane performance without buying a new grill.

Summary of selected products:

  • Sekvira Weber Spirit II NG→LP Conversion Kit (5 ft hose, LP orifices)
  • For Weber Natural Gas Conversion Kit (Genesis/Spirit II, 5 ft hose, 14 orifices)
  • FJXBYWM Natural Gas to Propane Conversion Kit (Genesis/Spirit II, 5 ft hose, 14 orifices)
  • JNWYXIE Natural Gas to Propane Conversion Kit for Weber Genesis/Spirit (26 orifices, 5 ft hose)
  • Sekvira Summit NG→LP Conversion Kit (5 ft hose, LP orifices)

Sekvira Weber Spirit II Gas To Propane Kit

Sekvira Weber Spirit II NG to LP conversion kit image

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Best for: Weber Spirit II 310/315/210 models converting from natural gas to propane. This model-specific kit includes a 5-foot propane regulator hose and LP orifices designed for BTU matching. It also includes a socket wrench and gas-rated Teflon tape for a complete setup. Useful for backyard grilling and mobile setups where propane is preferred. Limitation: Not universal across all Weber models; ensure your grill model matches the kit.

For Weber Natural Gas Conversion Kit NG to LP

For Weber natural gas conversion kit image

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Best for: Weber Genesis and Spirit II families seeking a broad compatibility NG→LP solution. It includes a 5 ft propane regulator hose, 14 hand-drilled LP orifices, two 3/8″ fittings, a wrench, and sealing tape. Designed to improve flame stability and airflow. Caution: Ensure the nozzle sizes align with your specific Genesis/Spirit model to avoid flame irregularities.

FJXBYWM Natural Gas To Propane Kit For Weber Genesis/Spirit

FJXBYWM Weber NG to LP conversion kit image

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Best for: Weber Genesis and Spirit II grills requiring a complete NG→LP transition with consistent flame stability. The kit includes a 5-foot regulator hose, 14 LP orifices in three sizes, two 3/8″ fittings, a wrench, and sealing tape. Suitable for model ranges listed in the description, and helpful when you want uniform heat across steaks and veggies. Caution: Verify fit for very old or highly specific Genesis variants.

JNWYXIE Natural Gas To Propane Conversion Kit For Weber Genesis/Spirit

JNWYXIE Weber NG to LP conversion kit image

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Best for: Weber Genesis and Spirit lines, including Spirit and Genesis II, seeking a robust NG→LP kit with 26 hand-drilled LP orifices (six sizes) and a 5 ft hose with 3/8″ fittings. The kit emphasizes precise BTU matching for stable, even heat. It’s well-suited for frequent grillers who want predictable flame behavior. Limitation: Larger set of orifices may require careful selection and installation by a confident DIYer.

Sekvira Summit NG to LP Conversion Kit

Sekvira Summit NG to LP conversion kit image

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Best for: Weber Summit 670/660/650/470/460/450 grills requiring a precise NG→LP conversion with a 5-foot regulator hose. This model-specific kit includes hand-drilled LP orifices and a regulator hose to ensure flame stability. Ideal for higher-capacity grills where consistent heat matters. Caution: Summit-specific fit means it may not cover non-Summit Weber models without verifying compatibility.

Buying Guide

  • What model is your grill? Confirm the exact model and generation to ensure the kit’s nozzle sizes and hose length match your grill.
  • Is the kit NG→LP, or LP→NG? For switching to propane power, select a natural gas to propane conversion kit with appropriate LP orifices.
  • Hose length and regulator: A 5-foot hose is common; consider if you grill at a distance from your propane source and whether a longer line is needed.
  • Orifice sizes and BTU matching: Look for hand-drilled LP orifices sized to your grill’s BTU needs to maintain even heat and prevent flare-ups.
  • Included hardware: Wrenches, sealing tape, and fittings ease installation. Verify that all listed components are present so you don’t need extra purchases.
  • Safety and certifications: Ensure the kit uses gas-rated components and follows standard installation practices to avoid leaks and hazards.

FAQ

  1. Q: Can I use a universal conversion kit for any Weber grill? A: Universal kits exist, but model-specific kits optimize nozzle sizes and hoses for BTU matching, improving flame stability.
  2. Q: How do I know which orifice size I need? A: Orifice sizes are chosen to match the grill’s BTU output; refer to the kit’s included sizes and instructions.
  3. Q: Do these kits require professional installation? A: Many DIYers install NG→LP kits with careful adherence to instructions; if unsure, consult a qualified technician.
  4. Q: Will switching to propane affect grill warranty? A: Check your grill’s warranty terms; some manufacturers require original components or approved kits for modifications.
  5. Q: Are longer hoses better for outdoor use? A: Longer hoses offer placement flexibility but may add resistance; ensure hose compatibility with your regulator.
  6. Q: Can I revert back to natural gas later? A: Reversibility is model- and kit-dependent; some kits support bidirectional conversions, others do not.

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