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Heat Detector Pricing
Current market data for 2,288 heat detectors listed on eBay.
What you'll usually pay
$33.25 typical price
Most are between$15–$280
Brand new$37.52
Used$85.44
On sale now2,288
💡 Used ones cost about 128% more here.
👉 In short easy summary
Value is highest with System Sensor, which sits 27% below the market median. High-end options like TYCO command a significant premium at 330% above the median.
💚 Best value for your money
System Sensor 215 on sale$24.15 · 27% cheaper
Edwards 93 on sale$30.58 · 8% cheaper
Price by brand
Why? Price variance is driven by manufacturer specifications, ranging from System Sensor at 24.15 to TYCO at 142.89.
🛒 Some on sale right now
Common questions
What is the median price for a new heat detector?
The median price for new units is 37.52.
Which brand offers the most affordable median price?
System Sensor has the lowest median price at 24.15.
How does the used market compare to the overall median?
The used median is 85.44, which is higher than the overall market median of 33.25.
How we got these numbers
Worked out from 200 live eBay listings (price range $15–$280, odd outliers ignored). These are asking prices, so use them as a guide. Last checked July 30, 2026.