Price History for 1/2 in. x 8 in. Brass MPT x SWT Half-Turn Frost Free Anti-Siphon Outdoor Sillcock Valve
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1/2 in. x 8 in. Brass MPT x SWT Half-Turn Frost Free Anti-Siphon Outdoor Sillcock Valve
PRIER's 8 in. L 1/2 in. MPT x SWT, 478-08 Series Frost-Proof, Anti-Siphon Sillcock is connected to the supply piping in the heated portion of the structure, eliminating the possibility of freezing. Designed to
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Price History Chart
Recorded price history
Showing the 30 most recent of 215 recorded prices.
| Date | Price |
|---|---|
| Oct 3, 2026 | $36.10 |
| Sep 8, 2026 | $37.98 |
| Sep 7, 2026 | $37.22 |
| Sep 6, 2026 | $37.98 |
| Sep 5, 2026 | $37.22 |
| Sep 4, 2026 | $37.98 |
| Sep 3, 2026 | $37.22 |
| Sep 1, 2026 | $37.98 |
| Aug 30, 2026 | $37.22 |
| Aug 29, 2026 | $37.98 |
| Aug 28, 2026 | $36.01 |
| Aug 27, 2026 | $37.12 |
| Aug 26, 2026 | $37.98 |
| Aug 25, 2026 | $37.12 |
| Aug 24, 2026 | $37.98 |
| Aug 23, 2026 | $36.01 |
| Aug 20, 2026 | $37.98 |
| Aug 19, 2026 | $35.73 |
| Aug 18, 2026 | $37.98 |
| Aug 17, 2026 | $35.73 |
| Aug 14, 2026 | $34.66 |
| Aug 11, 2026 | $35.73 |
| Aug 7, 2026 | $37.98 |
| Aug 6, 2026 | $36.84 |
| Aug 5, 2026 | $37.98 |
| Aug 4, 2026 | $35.73 |
| Aug 3, 2026 | $37.98 |
| Aug 2, 2026 | $35.73 |
| Jul 31, 2026 | $37.98 |
| Jul 30, 2026 | $36.84 |
Analysis
1/2 in. x 8 in. Brass MPT x SWT Half-Turn Frost Free Anti-Siphon Outdoor Sillcock Valve price analysis
Price analysis for 1/2 in. x 8 in. Brass MPT x SWT Half-Turn Frost Free Anti-Siphon Outdoor Sillcock Valve at Home Depot: Today's price is $36.10. That's 5% off the MSRP of $37.98. Current price is 3% below the 90-day average of $37.19 (a $1.09 below the running mean).
- The current price of $36.10 is 5% (or $1.88) below the MSRP of $37.98.
- Current price is 3% below the 90-day average of $37.19 (a $1.09 below the running mean).
- The lowest recorded price on PriceWatchPro was $29.30 on February 22, 2026. That's $6.80 below today's price.
- The highest recorded price on PriceWatchPro was $39.12 on May 3, 2026. Today's price is $3.02 below that peak.
- Across 214 tracked price changes, the listing has dropped 99 times with an average drop of $2.03.
- PriceWatchPro has been tracking this listing since October 26, 2025 (348 days of price history).
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