Relief Valve Market Pricing
Analysis of 18,104 relief valve listings to determine current market value based on brand and specifications.
What you'll usually pay
💡 Used ones cost about 62% more here.
👉 In short easy summary
High-end brands like Kunkle and Rexroth command significant premiums, with Kunkle seeing a 213% increase over the median. Value is found in air-operated models, which trade at a 38% discount compared to the market median.
💚 Best value for your money
Price by brand
Why? Prices vary by manufacturer reputation, ranging from Conbraco at 68.65 to Kunkle at 150.
Price by valve operation
Why? Complexity of mechanism drives cost, with Solenoid valves at 115.8 and Air-Operated at 29.99.
Price by inlet diameter
Why? Sizing affects material cost, with 1/8 in models at 154.07 and 3/4 in at 39.48.
Price by outlet diameter
Why? Larger or specialized ports change value, from 3/4 in at 40 to 2 in at 150.
🛒 Some on sale right now
Common questions
What is the typical price difference between new and used relief valves?
The median price for new units is 49.5, while used units have a higher median of 80.
Which brand of relief valve is the most expensive on average?
Kunkle is the most expensive brand listed with a median price of 150.
Are air-operated valves more affordable than manual ones?
Yes, air-operated valves have a median price of 29.99, whereas manual valves are 49.5.
How we got these numbers
Worked out from 200 live eBay listings (price range $12–$250, odd outliers ignored). These are asking prices, so use them as a guide. Last checked August 2, 2026.