Price History for Firex Hardwired Interconnected 120V AC Wire Auxiliary Heat Detector
Close
Firex Hardwired Interconnected 120V AC Wire Auxiliary Heat Detector
The Kidde FireX HD135F is a 120-Volt AC Wire In Heat Alarm that responds to temperature rather than smoke. The alarm will sound if temperatures rise above 135 degree F. The Kidde HD135 degree F is inter connect
Set Price Alert
Price History Chart
Recorded price history
Showing the 30 most recent of 48 recorded prices.
| Date | Price |
|---|---|
| Feb 22, 2026 | $42.97 |
| Feb 21, 2026 | $42.61 |
| Feb 20, 2026 | $39.45 |
| Feb 18, 2026 | $40.11 |
| Feb 17, 2026 | $39.42 |
| Feb 16, 2026 | $42.57 |
| Feb 12, 2026 | $39.42 |
| Feb 11, 2026 | $42.93 |
| Feb 10, 2026 | $40.17 |
| Feb 9, 2026 | $39.42 |
| Feb 8, 2026 | $42.27 |
| Feb 6, 2026 | $39.42 |
| Feb 5, 2026 | $42.20 |
| Feb 4, 2026 | $42.57 |
| Feb 3, 2026 | $39.42 |
| Feb 2, 2026 | $42.57 |
| Jan 31, 2026 | $39.42 |
| Jan 30, 2026 | $42.57 |
| Jan 29, 2026 | $39.42 |
| Jan 28, 2026 | $42.97 |
| Jan 27, 2026 | $40.67 |
| Jan 26, 2026 | $41.36 |
| Jan 25, 2026 | $42.92 |
| Jan 24, 2026 | $42.96 |
| Jan 22, 2026 | $41.91 |
| Jan 21, 2026 | $42.57 |
| Jan 20, 2026 | $39.42 |
| Jan 18, 2026 | $42.97 |
| Jan 17, 2026 | $42.09 |
| Jan 16, 2026 | $39.42 |
Analysis
Firex Hardwired Interconnected 120V AC Wire Auxiliary Heat Detector price analysis
Price analysis for Firex Hardwired Interconnected 120V AC Wire Auxiliary Heat Detector at Home Depot: Today's price is $42.97. The lowest recorded price on PriceWatchPro was $37.99 on November 11, 2025. That's $4.98 below today's price.
- Currently listed at $42.97, which is $4.98 above the original MSRP of $37.99.
- The lowest recorded price on PriceWatchPro was $37.99 on November 11, 2025. That's $4.98 below today's price.
- The highest recorded price on PriceWatchPro was $42.97 on January 18, 2026.
- Across 47 tracked price changes, the listing has dropped 19 times with an average drop of $2.26.
- PriceWatchPro has been tracking this listing since November 11, 2025 (277 days of price history).
Related
More Electrical deals on Home Depot
Track price history on other items shoppers are watching in this category.
Support
Home Depot FAQs
Tips for tracking this Home Depot item with alerts and price history.
How do I track price drops for Home Depot?
Pick a target price on this page and save it. We will email you when this Home Depot listing drops below your goal.
Where can I review price history?
Check the price history chart on this page to compare today’s price against recent highs and lows before buying.
Can I edit or pause alerts later?
Yes. Edit, pause, or delete alerts anytime from your PriceWatchPro dashboard after you sign in.
Snapshot
Firex Hardwired Interconnected 120V AC Wire Auxiliary Heat Detector shopping snapshot
Track this Home Depot listing with real-time alerts, a full price history, and side-by-side savings tips.
Understand pricing trends
Use the chart above to see seasonal lows, promo spikes, and the average street price so you can time your purchase.
Set alerts that match your budget
Choose a target price and we will email you when Firex Hardwired Interconnected 120V AC Wire Auxiliary Heat Detector dips below that number.
Shop confidently
Review specs, availability, and recent updates from Home Depot before jumping to the store page.