Price History for 4.5 Gal. Lead Free Potable Water Expansion Tank, Model #Plt-12, Stainless Steel Nipple
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4.5 Gal. Lead Free Potable Water Expansion Tank, Model #Plt-12, Stainless Steel Nipple
This potable water expansion tank is used on gas, oil or electric, direct-fired, residential water heater and hot water storage tank applications to absorb the increased volume of water created by thermal expan
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Price History Chart
Recorded price history
| Date | Price |
|---|---|
| Jul 17, 2026 | $87.49 |
| May 29, 2026 | $74.66 |
| May 27, 2026 | $78.42 |
| May 25, 2026 | $79.24 |
| May 22, 2026 | $80.85 |
| May 14, 2026 | $83.44 |
| May 4, 2026 | $84.22 |
| Apr 26, 2026 | $85.68 |
| Apr 24, 2026 | $87.49 |
| Apr 17, 2026 | $85.58 |
| Apr 11, 2026 | $82.15 |
| Apr 2, 2026 | $95.09 |
| Apr 1, 2026 | $96.24 |
| Mar 27, 2026 | $97.55 |
| Feb 25, 2026 | $87.49 |
| Feb 23, 2026 | $192.53 |
| Dec 14, 2025 | $87.49 |
| Nov 19, 2025 | $87.49 |
| Nov 4, 2025 | $87.49 |
| Oct 31, 2025 | $87.49 |
Analysis
4.5 Gal. Lead Free Potable Water Expansion Tank, Model #Plt-12, Stainless Steel Nipple price analysis
Price analysis for 4.5 Gal. Lead Free Potable Water Expansion Tank, Model #Plt-12, Stainless Steel Nipple at Home Depot: Today's price is $87.49. Current price is 8% above the 90-day average of $80.68 (a $6.81 above the running mean).
- Currently listed at $87.49, which is $0.00 above the original MSRP of $87.49.
- Current price is 8% above the 90-day average of $80.68 (a $6.81 above the running mean).
- The lowest recorded price on PriceWatchPro was $74.66 on May 29, 2026. That's $12.83 below today's price.
- The highest recorded price on PriceWatchPro was $192.53 on February 23, 2026. Today's price is $105.04 below that peak.
- Across 19 tracked price changes, the listing has dropped 11 times with an average drop of $12.12.
- PriceWatchPro has been tracking this listing since October 31, 2025 (281 days of price history).
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