Answering the needs of homeowners who switch from natural gas to propane, these orifice conversion kits are designed to adapt gas appliances for LP use. Each top pick targets a specific appliance type—ranging from kitchen ranges to outdoor grills and even dryers—so you can select the kit that best fits your model and fuel plan. The following five products are selected for broad compatibility, ease of use, and clear suitability notes for typical buyers such as off-grid households, seasonal grill enthusiasts, and appliance renovators.
| Product | Best For | Key Point |
|---|---|---|
| GRLP4 LP Gas Conversion Kit for Frigidaire, 12 Brass Orifices | Frigidaire, Kenmore, Electrolux ranges and cooktops | 12-piece set for sealed burners; OEM replacement relevance |
| For Weber Natural Gas Conversion Kit, 14 Orifices | Weber Genesis and Spirit II grills | Includes regulator hose and multiple orifice sizes for grill models |
| 36Pcs Range Stove Oven Orifice Conversion Kit | Various Frigidaire/other brands ranges and stoves | Wide size range and brass construction |
| LP Conversion Kit for Frigidaire FC GC PC Gas Ranges | Frigidaire FC/GC/PC series ranges | Specialized for NG-to-LP conversions in Frigidaire lines |
| 4948EL4001B LG Dryer LP to Natural Gas Conversion Kit | LG/Kenmore/Sears dryers | Brass construction; model-check required; dryer-specific |
GRLP4 LP Gas Conversion Kit for Frigidaire
The GRLP4 kit converts natural gas to propane for ranges, stoves, and cooktops. It includes 12 brass orifices for smooth propane flow and reliable burner performance. Best for sealed burner Frigidaire, Kenmore, and Electrolux models with FG, FF, FP, CF, CRG, BG, CG, DG, LP, LG, LF, and WW prefixes. Ideal for OEM replacement in GRLP4-type conversion setups. This kit replaces several AP-series part numbers and is fully interchangeable with compatible GRLP4 configurations. Suitable for homeowners seeking a straightforward NG-to-LP retrofit on compatible Frigidaire-family appliances. Caution: verify burner model compatibility before installation.
For Weber Natural Gas Conversion Kit
This kit enables Weber Genesis, Genesis II, and Spirit II grills to switch from natural gas to propane. It includes a 5 ft propane regulator hose, 14 hand-drilled LP orifices in three sizes, fittings, and accessories. Best for Weber grill owners who want to optimize gas flow for propane grilling, with guidance on model compatibility. Choose this if you grill extensively and need precise flame stability; avoid if your model isn’t listed or you lack the proper fittings.
36Pcs Range Stove Oven Orifice Conversion Kit
This 36-piece propane and natural gas orifice set covers a broad range of hole diameters (0.3 to 1.9 mm) and includes multiple counts of each size. Made of solid brass with M6x0.75 threading, it fits a wide array of brands including Frigidaire, Crosley, Amica, Electrolux, Bosch, Siemens, and more. Best for multi-appliance kitchens or DIY renovators who need flexible options. Limitations: verify your burner model’s thread compatibility before purchasing.
LP Conversion Kit for Frigidaire FC GC PC Gas Ranges
This Frigidaire LP conversion kit is designed for FC/GC/PC series ranges, enabling safe conversion from natural gas to propane for off-grid or propane-only installations. It features precision-drilled brass orifices with chamfered inlets to improve gas flow and reduce sputter and flare-ups. Best for Frigidaire FC/GC/PC owners needing a targeted, model-specific LP solution. Not compatible with certain high-BTU 18000 burners, so confirm your model before buying.
4948EL4001B LG Dryer LP to Natural Gas Kit
This kit adapts LG and Kenmore/Sears gas dryers from natural gas to LP. It is brass and designed for models beginning with prefixes CDG, DLG, DLGX, DLGY (LG) and certain Kenmore/Sears prefixes. Best for households needing off-grid LP supply for clothes drying. Important: verify model compatibility using the rating label before purchasing. The kit replaces specific part numbers and is intended for listed LG and Kenmore/Sears dryer models only.
Buying Guide: Orifice Conversion Kitting Essentials
Which kit should I choose by appliance?
For ranges and cooktops, look for kits labeled for Frigidaire or Weber if you own those brands. For multi-brand versatility, a larger 30+ piece kit with a wide range of hole diameters can support various models. Dryers require model-specific LP-to-NG kits, with careful model checks to avoid mismatches.
What to check before buying
- Model compatibility: Verify prefixes, model numbers, and burner type (sealed vs standard) before selecting a kit.
- Orifice sizing: Ensure the supplied hole sizes cover your burner BTU outputs for stable flame.
- Materials and durability: Brass orifices resist heat and corrosion, extending service life.
- Installation considerations: Some kits require professional installation, especially on gas appliances.
Best practices for a smooth conversion
- Document existing burner configurations and compare with kit specifications.
- Follow the manufacturer’s installation instructions precisely to avoid sputtering or flame instability.
- Test flame color and stability after installation, adjusting only as recommended by the kit guidelines.
Quick comparison: what to expect
- Best for brand-specific models: GRLP4 and LP-for-Frigidaire-focused kits.
- Better for Weber grills: specialized conversion kit with a regulator hose and multiple orifices.
- Wide compatibility: 36Pcs kit supports many brands and sizes but requires careful model checks.
- Companion kits for Frigidaire FC/GC/PC ranges: targeted and precise for those models.
- Dryer conversions: model-specific LG and Kenmore/Sears compatibility; verify prefixes before purchasing.
Frequently asked questions
- What is an orifice conversion kit used for?
It enables a natural gas appliance to operate on propane by replacing or adjusting the burner jets.
- Can I install these myself?
Some kits are DIY-friendly, but many gas appliances require professional installation for safety and code compliance.
- How do I know which size orifice I need?
Check the appliance’s BTU rating and refer to the kit’s included size chart or manufacturer guidance.
- Will converting affect warranty?
Conversions can affect warranties; verify with the appliance maker and review warranty terms before proceeding.
- Are all models covered by these kits?
No—kits are model-specific. Always confirm compatibility with your exact model and rating label.