Best Natural Gas to Propane Conversion Kit for Fireplace and Grills: Safe, Flexible Options
Whether you’re upgrading a fireplace, grill, or outdoor heater, converting from natural gas to propane can offer practical benefits like portability and performance control. This guide highlights five top-rated conversion kits designed to safely adapt NG to LP systems, with a focus on durable fittings, wide compatibility, and clear safety features. Each product includes a concise feature overview to help you compare options and choose the right kit for your equipment and home setup.
Quick Reference Summary Table
- 5369 Propane to Natural Gas Conversion Kit (Hosile) — 12 ft hose, multiple adapters, broad compatibility, brass and upgraded rubber build.
- GasXpert 24FT 1/2″ Natural Gas Hose (GasXpert) — flame-retardant design, brass fittings, comprehensive adapter kit.
- Blackstone 5249 Propane to Natural Gas Conversion Kit — 10 ft hose, quick connect, griddle compatibility for Blackstone models.
- Dingbaayee 10FT Propane to Natural Gas Conversion Kit — broad Genesis compatibility, regulator included, multiple orifices.
- 5249 Propane to Natural Gas Conversion Kit (Hosile) — Blackstone compatibility, 10 ft hose, robust brass fittings with orifices.
Hosile 5369 Propane to Natural Gas Conversion Kit

The 5369 kit from Hosile provides a comprehensive NG to LP conversion solution with a 12-foot natural gas hose and a mix of quick-connect fittings and adapters. It includes a 5/8″ OD male quick connect, 5/8″ ID female flare fittings, a variety of couplings, 16 natural gas orifices, and useful tools such as thread gauges and a 7mm wrench. The kit emphasizes solid brass components and upgraded rubber for durability, air-tightness, and resistance to aging. It targets Weber, Char-Broil, Blackstone, pizza ovens, patio heaters, and more. Compatibility notes suggest confirming hose and fitting sizes before purchase.
Safety and performance considerations focus on stable gas flow and leak prevention. WhileVersatility is a strength, users should verify that the exact model and connection standards align with their grill or fireplace setup. The included roll sealing tape and Velcro strap aid in secure, tidy installation, making it a practical option for homeowners upgrading outdoor cooking or heating equipment.
GasXpert 24FT Natural Gas Hose With Quick Connect

GasXpert’s 24-foot natural gas hose kit emphasizes durability and reliability, using flame-retardant PVC, premium Titanium Zinc, and a strip-wound metal hose design to reduce contamination and maintain clean gas flow. It includes a 1/2″ ID hose and standardized brass fittings with 1/2″ quick connect/disconnect capabilities, along with a 3/8″ female flare adapter for broader compatibility. This kit is positioned as a versatile solution for outdoor grills, fireplaces, heaters, and generators that need a steady natural gas supply from home lines. It emphasizes CSA-certified safety and robust materials to withstand outdoor use.
Potential considerations include ensuring proper match between the quick-connect system and your appliance’s inlet fittings. The kit’s broad compatibility makes it appealing for multi-appliance setups, but users should confirm the exact model and regulator requirements of their equipment to avoid mismatches. The balance of flexibility and safety makes this a solid option for those migrating grills and heaters from propane to natural gas.
Blackstone 5249 Propane To Natural Gas Kit

This Blackstone kit is designed specifically for Blackstone 28″ and 36″ griddles, tailgaters, rangetop combos, and single-burner stoves. It includes a 10-foot natural gas hose, a 3/8″ quick-connect fitting, natural gas orifices, two thread check gauges, and a 7mm orifice wrench. The setup is guided by detailed instructions to convert for natural gas use, enabling a smooth transition from propane. The kit emphasizes compatibility within Blackstone’s popular outdoor cooking line, providing a focused solution for homeowners with those models.
Considerations include ensuring the kit’s hose length and fitting compatibility with your exact Blackstone model. While geared toward Blackstone products, it may not cover non-Blackstone grills or older or unsupported models. The included gauges and orifices allow customization for consistent flame and heat, but users should follow safety protocols during installation and testing to prevent leaks or misadjustments.
Dingbaayee 10FT Propane To Natural Gas Kit For Weber Genesis

Dingbaayee’s kit targets widely used Weber Genesis and Spirit lines, including Genesis and Spirit II models across multiple generations. It ships with a 10-foot natural gas hose and a regulator, along with 1/2″ natural gas hose adapters and a selection of orifices suitable for adjusting BTU output. The kit emphasizes broad model compatibility, aiming to cover Genesis Silver, Gold, Platinum, SX-325S, SPX-435, and Spirit II series, among others. It includes the essential regulator and fittings to establish a steady natural gas flow for reliable cooking performance.
Practical considerations include verifying model compatibility against your Weber grill’s generation and configuration. The regulator and hose length are important for safe operation and correct pressure. The multiple orifices enable tuning for flame stability and heat output, reducing flare-ups and ensuring even cooking across different foods. As with any conversion, proper leak testing and adherence to safety guidelines are essential.
Hosile 5249 Propane To Natural Gas Conversion Kit For Blackstone

This additional Hosile 5249 kit focuses on Blackstone compatibility, including a 10-foot hose and a 3/8″ quick-connect setup for Blackstone 28″ and 36″ griddles, along with tailgater and rangetop configurations. It includes a 3/8″ female quick connect, 3/8″ female flare, a set of 16 natural gas orifices, and a 7mm orifice wrench. The kit’s brass fittings and durability-forward design mirror the brand’s emphasis on solid construction and long service life, while enabling direct transitions from propane to natural gas for compatible Blackstone models.
When evaluating this kit, consider whether your Blackstone model is among those listed as compatible and ensure the hose length and connection types match your installation. The included orifices allow adjustment of flame characteristics to maintain safe and even cooking performance after conversion. Always perform leak testing after installation and follow all safety guidelines for gas appliances.
Buying Guide: Key Considerations For NG To LP Conversion Kits
- Compatibility: Check that the kit supports your specific appliance model and generation. Some kits are tailored to Weber, Blackstone, or Genesis lines, while others offer broad compatibility but may require adapters.
- Hose Length And Fittings: Long hoses offer more placement flexibility but can add weight and complexity. Confirm that the hose diameter, quick-connect, and flare fittings match your inlet connections and regulator.
- Orifices And Regulators: A varied set of orifices lets you match BTU requirements for different grills and ovens. A reliable regulator is crucial to maintain stable pressure and prevent flame fluctuations.
- Materials And Durability: Brass fittings and high-quality rubber hoses resist corrosion and aging. Look for kits with solid construction and clear safety certifications where available.
- Safety Features: Leak testing instructions, gas-tight seals, and compliance to standards (CSA, etc.) contribute to safer operation. Ensure seals and tapes are included for proper installation.
- Installation Complexity: Some kits are straightforward to install, while others require more technical steps. If you’re unsure, consult a professional or request manufacturer support.
- Intended Use: Consider where you’ll use the conversion (outdoor grills, fireplaces, heaters) and verify any model-specific limitations (e.g., not compatible with certain Blackstone models or pizza ovens).
- Cost vs Value: Compare total kit contents (orifices, gauges, wrenches) against your needs. A well-rounded kit with installation tools can offer better value, even at a higher upfront cost.
- Return And Support: Check warranty terms and the seller’s support for troubleshooting. A robust return policy helps if the kit doesn’t fit your requirements.