Gas Conversion Kit Pricing
Current market data for 818 gas conversion kits shows a median price of 51.4.
What you'll usually pay
💡 Used ones cost about 30% more here.
👉 In short easy summary
The best value is found in brass materials (-29%) and Ariston brand kits (-27%). Conversely, Rheem brand kits carry a significant premium at 110% above the median.
💚 Best value for your money
Price by power source
Why? Prices range from battery-powered kits at 24.15 to propane liquid kits at 87.
Price by material
Why? Brass is the most affordable at 36.47, while plastic kits reach 69.35.
Price by brand
Why? Ariston is the lowest cost option at 37.66, whereas Rheem is the highest at 107.99.
🛒 Some on sale right now
Common questions
What is the price difference between new and used conversion kits?
Used kits have a higher median price of 64.99 compared to 50.06 for new kits.
Which material is the most cost-effective for a conversion kit?
Brass is the most affordable material with a median price of 36.47.
How do propane conversion kits compare to standard gas kits?
Propane liquid kits are more expensive at 87, while standard gas kits have a median of 65.
How we got these numbers
Worked out from 200 live eBay listings (price range $18–$154, odd outliers ignored). These are asking prices, so use them as a guide. Last checked July 26, 2026.