Price History for 1/3 HP Battery Back-Up Emergency Sump Pump System with Alarm
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1/3 HP Battery Back-Up Emergency Sump Pump System with Alarm
Liberty's model 441 takes over when the power goes out. Operating from the power of a 12-Volt deep cycle battery, the 441 features an efficient 12-Volt pump, advance 3-stage charger with switch mode technology
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Price History Chart
Recorded price history
Showing the 30 most recent of 36 recorded prices.
| Date | Price |
|---|---|
| Aug 2, 2026 | $409.21 |
| Jul 25, 2026 | $372.00 |
| Jul 24, 2026 | $340.71 |
| Jul 16, 2026 | $341.96 |
| Jul 15, 2026 | $372.00 |
| Jul 14, 2026 | $341.96 |
| Jul 9, 2026 | $410.25 |
| Jul 8, 2026 | $406.93 |
| Jul 7, 2026 | $410.25 |
| Jun 29, 2026 | $372.00 |
| Jun 28, 2026 | $360.35 |
| Jun 5, 2026 | $372.00 |
| May 16, 2026 | $356.39 |
| May 15, 2026 | $372.00 |
| May 9, 2026 | $356.39 |
| May 8, 2026 | $368.28 |
| May 7, 2026 | $372.00 |
| May 6, 2026 | $363.92 |
| May 4, 2026 | $372.00 |
| May 1, 2026 | $363.40 |
| Apr 29, 2026 | $372.00 |
| Apr 27, 2026 | $363.40 |
| Apr 20, 2026 | $368.28 |
| Apr 16, 2026 | $372.00 |
| Apr 12, 2026 | $362.20 |
| Apr 9, 2026 | $372.00 |
| Apr 8, 2026 | $368.28 |
| Apr 7, 2026 | $372.00 |
| Apr 3, 2026 | $356.39 |
| Mar 18, 2026 | $359.18 |
Analysis
1/3 HP Battery Back-Up Emergency Sump Pump System with Alarm price analysis
Price analysis for 1/3 HP Battery Back-Up Emergency Sump Pump System with Alarm at Home Depot: Today's price is $409.21. Current price is 9% above the 90-day average of $375.80 (a $33.41 above the running mean).
- Currently listed at $409.21, which is $52.82 above the original MSRP of $356.39.
- Current price is 9% above the 90-day average of $375.80 (a $33.41 above the running mean).
- The lowest recorded price on PriceWatchPro was $340.71 on July 24, 2026. That's $68.50 below today's price.
- The highest recorded price on PriceWatchPro was $410.25 on July 7, 2026. Today's price is $1.04 below that peak.
- 30-day trend: trending up 20.1% from $340.71 to $409.21.
- Across 35 tracked price changes, the listing has dropped 17 times with an average drop of $12.69.
- PriceWatchPro has been tracking this listing since October 27, 2025 (293 days of price history).
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