Price History for No. 15 Expansion Tank for Hydronic/Boiler
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No. 15 Expansion Tank for Hydronic/Boiler
The extrol no. 15 expansion tank is pre-pressurized and features a diaphragm design, this expansion tank is designed for use with a hydronic heating system, it accepts expanded water as system temperature rises
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Price History Chart
Recorded price history
Showing the 30 most recent of 95 recorded prices.
| Date | Price |
|---|---|
| Jul 31, 2026 | $52.65 |
| Jul 30, 2026 | $58.19 |
| Jul 29, 2026 | $56.44 |
| Jul 28, 2026 | $58.19 |
| Jul 27, 2026 | $56.44 |
| Jul 26, 2026 | $58.19 |
| Jul 25, 2026 | $56.44 |
| Jul 23, 2026 | $65.84 |
| Jul 22, 2026 | $67.88 |
| Jul 21, 2026 | $62.09 |
| Jul 20, 2026 | $56.44 |
| Jul 19, 2026 | $58.19 |
| Jul 18, 2026 | $56.44 |
| Jul 15, 2026 | $58.19 |
| Jul 14, 2026 | $56.44 |
| Jul 13, 2026 | $58.19 |
| Jul 12, 2026 | $59.99 |
| Jul 11, 2026 | $58.19 |
| Jul 10, 2026 | $59.99 |
| Jul 9, 2026 | $58.19 |
| Jul 8, 2026 | $59.99 |
| Jul 7, 2026 | $58.19 |
| Jul 6, 2026 | $59.99 |
| Jul 3, 2026 | $58.19 |
| Jul 2, 2026 | $59.99 |
| Jul 1, 2026 | $58.19 |
| Jun 30, 2026 | $59.99 |
| Jun 29, 2026 | $58.19 |
| Jun 28, 2026 | $59.99 |
| Jun 27, 2026 | $58.19 |
Analysis
No. 15 Expansion Tank for Hydronic/Boiler price analysis
Price analysis for No. 15 Expansion Tank for Hydronic/Boiler at Home Depot: Today's price is $52.65. That's 12% off the MSRP of $60.15. Current price is 14% below the 90-day average of $61.20 (a $8.55 below the running mean).
- The current price of $52.65 is 12% (or $7.50) below the MSRP of $60.15.
- Current price is 14% below the 90-day average of $61.20 (a $8.55 below the running mean).
- The lowest recorded price on PriceWatchPro was $52.65 on July 31, 2026. The current listing is at this all-time low.
- The highest recorded price on PriceWatchPro was $70.77 on May 8, 2026. Today's price is $18.12 below that peak.
- 30-day trend: trending down 12.2% from $59.99 to $52.65.
- Across 94 tracked price changes, the listing has dropped 46 times with an average drop of $3.93.
- PriceWatchPro has been tracking this listing since October 21, 2025 (289 days of price history).
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