Direct answer: A grill gas conversion kit is best when you want to switch a natural gas grill to propane or convert a propane grill to natural gas, with kits tailored to specific grill models. The top picks below cover Weber, Blackstone, Monument, and other popular grills, each chosen for reliable installation, clear instructions, and matching nozzle orifices for steady flame. This guide helps homeowners, backyard chefs, and camping enthusiasts decide which kit fits their grill and fuel preference.
| Product | Brand | Best For | Notes |
|---|---|---|---|
| For Weber Natural Gas Conversion Kit | Sekvira | Weber Genesis and Spirit II users switching to propane | Includes 14 LP orifices and fittings |
| Blackstone 5249 Propane to Natural Gas Conversion Kit | BLACKSTONE | Blackstone griddles and tailgaters converting to NG | 10 ft NG hose and quick connect included |
| MIV Upgraded Propane to Natural Gas Conversion Kit | MIV | Weber Genesis/Spirit line conversions | Designed for seamless propane-to-NG transition |
| Natural Gas To Propane Conversion Kit for Weber Spirit II | Sekvira | Weber Spirit II 310/315/210 users | 5 ft hose with regulator; LP orifices included |
| Natural Gas Conversion Kit For Blackstone 28″/36″ Griddles | BBQHKCX | Blackstone griddles needing NG supply | Comprehensive kit with mat and liners |
For Weber Natural Gas Conversion Kit — Sekvira
Overview: Sekvira’s Natural Gas to Propane Conversion Kit targets Weber Genesis and Spirit II grills, offering a 5 ft propane regulator hose and 14 hand-drilled LP orifices in three sizes. It includes two 3/8″ fittings, a wrench, and sealing tape to enable a smooth NG-to-LP transition. The kit is best for Weber Genesis/Sprit II owners who want reliable flame stability and a complete hardware set in one package. A limitation is model specificity; verify compatibility with your exact Weber model before purchase.
Best for: Weber Genesis and Spirit II owners who want a comprehensive, model-specific NG-to-LP conversion with precise nozzle sizing for balanced BTU output.
Blackstone 5249 Propane to Natural Gas Conversion Kit
Overview: This kit is designed for Blackstone 28″ and 36″ griddles, providing a 10 ft natural gas hose, 3/8” quick connect, natural gas orifices, and check gauges. It suits tailgaters and outdoor cooks who want a stable NG supply with a clear install guide. The kit’s major advantage is its straightforward setup and long hose, but ensure your grill model is within Blackstone’s NG-compatible range.
Best for: Blackstone griddles and similar outdoor cooking setups needing a full NG conversion kit with a long hose and quick-connects.
MIV Upgraded 10ft Propane to Natural Gas Kit
Overview: MIV’s kit claims a seamless propane-to-natural gas conversion for Weber Genesis, Genesis II, Spirit, and Spirit II lines, with a focus on uninterrupted grilling. It emphasizes matching BTU output via included LP orifices and provides a regulator-equipped conversion path. A potential limitation is that user installation details may vary by grill model, so follow the included instructions carefully.
Best for: Weber owners seeking a smooth, continuous NG flow for extended grilling sessions with precise nozzle matching.
Natural Gas To Propane Conversion Kit For Weber Spirit II
Overview: This Sekvira kit focuses on Weber Spirit II 310/315/210 models, providing a 5 ft hose with regulator and LP orifices for propane conversion. It highlights dedicated nozzle sizing for flame stability and even heat distribution. Best used when you want a compact, model-specific solution. A limitation is the need to confirm exact Spirit II sub-model compatibility before purchase.
Best for: Weber Spirit II 310/315/210 users wanting a ready-to-install LP conversion with a regulated hose.
Natural Gas Conversion Kit For Blackstone 28″/36″ Griddles
Overview: BBQHKCX’s kit targets Blackstone 28″ and 36″ griddles with a 10 ft natural gas hose, 3/8″ quick connect, and 28 LP orifices. It includes a silicone mat and grease cup liner for convenience. It emphasizes safety via CSA-certified hose and brass fittings. A potential constraint is compatibility notes that exclude certain smaller Blackstone models.
Best for: Blackstone griddles needing a full NG-to-LP conversion with included accessories for cleanup and safety.
Pulaim 97352/98523 Natural Gas Conversion Kit
Overview: Pulaim’s kit targets Monument Grills models 41847NG, 77352NG, and Denali 605, enabling a propane-to-natural-gas conversion with a 1/2″ ID hose and a 3/8″ x 1/2″ brass adapter. It includes a natural gas regulator, orifice socket, and burner-specific accessories. The kit is best for Monument grill owners seeking a robust NG supply from home gas lines. A limitation is that accessories outside the core NG conversion parts may not cover every burner configuration.
Best for: Monument grill owners converting Propane to Natural Gas, especially models listed, with flexible hose options.
Buying Guide: Key Considerations
Fuel compatibility: Confirm whether your grill model is designed for natural gas or propane and ensure the kit explicitly supports that switch. Some kits target Weber models; others cover Blackstone, Monument, or generic grill families.
Hose length and fittings: A longer hose supports flexible installation, but ensure the hose length matches your grill location and clearance. Quick-connect fittings simplify setup for NG systems, while NPT-compatible fittings ensure secure connections.
Orifice sizing: Correct LP orifices matched to your grill BTU output are essential for flame stability and even cooking. Kits typically provide multiple orifice sizes or guidance on selecting the right size.
Safety and compliance: Look for CSA-certified hoses and brass connections to reduce leaks. Follow all safety instructions and verify local gas codes or professional installation requirements if needed.
Model specificity: Some kits are designed for particular grill brands or models. Double-check compatibility with your exact model (and year) to avoid mismatches in burner layout and gas flow.
Inclusion of accessories: Kits vary in what they include—regulators, hoses, orifice wrenches, sealing tape, mats, and liners. A complete package saves shopping time and ensures you have essential tools on hand.
FAQ
- Do I need a professional to install a grill gas conversion kit? It depends on local codes and the grill model. If you’re unsure about gas lines or regulator connections, consult a licensed professional.
- Will a conversion kit affect grill warranty? Some manufacturers require professional installation or specific parts; check your grill’s warranty terms before converting.
- Can I convert any grill to natural gas? No. Most kits are model-specific and designed for certain grill families (Weber, Blackstone, Monument, etc.).
- What is the difference between LP orifices and NG orifices? LP orifices are sized for propane’s BTU output; NG orifices are sized for natural gas. Incorrect sizing can cause flame instability or safety issues.
- Do these kits include hoses with regulators? Some kits include hoses and regulators; others require separate purchase. Read the included components list carefully.
- Is propane-to-natural gas conversion reversible? Yes, but you’ll need the appropriate kit components and reassembly to revert back to propane if needed.