Price History for Southwire 44390 Surge Guard Surge Protector with Enhanced Diagnostics with Cover - 50A 120/240V 4200 Joules
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Southwire 44390 Surge Guard Surge Protector with Enhanced Diagnostics with Cover - 50A 120/240V 4200 Joules
Surge Guard s Model 44390 Surge Protectors are prefect for pop-ups and travel trailers identifying faulty park power and protecting from surges. Its easy-to-read LED fault chart provides simple power analysis
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Price History Chart
Recorded price history
| Date | Price |
|---|---|
| Oct 29, 2026 | $142.99 |
| Oct 28, 2026 | $129.03 |
| Apr 29, 2026 | $142.99 |
| Apr 25, 2026 | $129.16 |
| Apr 23, 2026 | $142.99 |
| Apr 19, 2026 | $129.03 |
| Apr 18, 2026 | $142.99 |
| Apr 17, 2026 | $129.03 |
| Jan 24, 2026 | $134.99 |
| Jan 7, 2026 | $134.99 |
| Jan 1, 2026 | $134.99 |
| Nov 27, 2025 | $134.99 |
12 recorded prices; last found in Walmart’s data on Nov 7, 2026. How we track prices
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Analysis
Southwire 44390 Surge Guard Surge Protector with Enhanced Diagnostics with Cover - 50A 120/240V 4200 Joules price analysis
Price analysis for Southwire 44390 Surge Guard Surge Protector with Enhanced Diagnostics with Cover - 50A 120/240V 4200 Joules at Walmart: today's price of $142.99 is the highest price we've recorded for this listing.
- Today's price is within 1% of its average daily price over the last 90 days ($142.83).
- The lowest recorded price on PriceWatchPro was $129.03 on April 17, 2026. That's $13.96 below today's price.
- The highest recorded price on PriceWatchPro was $142.99 on April 18, 2026.
- 30-day trend: trending up 10.8% from $129.03 to $142.99.
- Across 11 tracked price changes, the listing has dropped 4 times with an average drop of $11.93.
- PriceWatchPro has been tracking this listing since November 27, 2025 (345 days of price history).
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Compare Southwire 44390 Surge Guard Surge Protector with Enhanced Diagnostics with Cover - 50A 120/240V 4200 Joules prices across retailers
Same item (UPC 029892750435), also tracked at:
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