Price History for 8 l Lead-Free Potable Water Thermal Expansion Tank
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8 l Lead-Free Potable Water Thermal Expansion Tank
The 2.1 gallon XT-8 Thermal Expansion Tank is utilized on potable water lines between the backflow preventer or pressure reducing valve and the water heater for protection against water thermal expansion in res
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Price History Chart
Recorded price history
Showing the 30 most recent of 37 recorded prices.
| Date | Price |
|---|---|
| Jul 23, 2026 | $84.99 |
| Jul 16, 2026 | $91.05 |
| Jul 14, 2026 | $96.13 |
| Jul 11, 2026 | $91.05 |
| Jul 9, 2026 | $93.56 |
| Jul 2, 2026 | $88.59 |
| Jun 25, 2026 | $106.98 |
| Jun 22, 2026 | $86.18 |
| Jun 19, 2026 | $93.71 |
| Apr 27, 2026 | $84.99 |
| Apr 24, 2026 | $91.02 |
| Apr 22, 2026 | $91.86 |
| Apr 21, 2026 | $84.99 |
| Apr 17, 2026 | $91.86 |
| Apr 10, 2026 | $92.69 |
| Apr 7, 2026 | $98.73 |
| Apr 4, 2026 | $99.49 |
| Apr 1, 2026 | $84.99 |
| Mar 27, 2026 | $92.86 |
| Mar 21, 2026 | $94.45 |
| Feb 20, 2026 | $83.39 |
| Feb 19, 2026 | $84.99 |
| Feb 18, 2026 | $78.46 |
| Feb 12, 2026 | $80.89 |
| Jan 24, 2026 | $79.99 |
| Jan 22, 2026 | $88.39 |
| Jan 9, 2026 | $83.39 |
| Jan 7, 2026 | $84.26 |
| Jan 6, 2026 | $84.02 |
| Jan 4, 2026 | $83.11 |
Analysis
8 l Lead-Free Potable Water Thermal Expansion Tank price analysis
Price analysis for 8 l Lead-Free Potable Water Thermal Expansion Tank at Home Depot: Today's price is $84.99. Current price is 8% below the 90-day average of $92.47 (a $7.48 below the running mean).
- Currently listed at $84.99, which is $5.00 above the original MSRP of $79.99.
- Current price is 8% below the 90-day average of $92.47 (a $7.48 below the running mean).
- The lowest recorded price on PriceWatchPro was $78.46 on February 18, 2026. That's $6.53 below today's price.
- The highest recorded price on PriceWatchPro was $106.98 on June 25, 2026. Today's price is $21.99 below that peak.
- Across 36 tracked price changes, the listing has dropped 18 times with an average drop of $4.98.
- PriceWatchPro has been tracking this listing since October 16, 2025 (303 days of price history).
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