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Midline Valve S1556-5 Boiler Air Scoop Valve for Hydronic Heating Applications; 3/4 in. FIP Connections; Cast Iron (5 Pack)
✅ In stock
F
Grade
Analysis Confidence
58%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 18, 2026 6:39 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price is slightly above the going rate for this product — worth watching for a drop.
- 📉Better-priced windows have occurred before, though not frequently — today's price is reasonably competitive.
- 📈Prices have been moving higher lately — waiting risks paying more if that momentum continues.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
Amazon.com
🚚 Shipping
Free Shipping
Product Details
✓Replacement Valve: Great for Replacing Existing Boiler Air Separator; Compatible With All Major Brands
✓Saves Time and Money: Continuously Separates and Purges Air From Hydronic Heating Systems; Reduces Need for Manual Venting
✓Superior Quality: Heavy Duty OnePiece Cast Iron Construction; Lead Free; Corrosion Resistant; Rust Resistant
✓Universal Fit: This Valve Features Standard Connections to Fit Your Pipes, Vents and Expansion Tanks
✓Secure, Leak-Free Fip Connection
⚙️ Specifications
Midline Valve
S1556-5
3.5 pounds
2 x 1 x 1 inches
S1556-5
Black
3/4''
Cast Iron
1
No
Manufacturer
Midline Valve
Part Number
S1556-5
Item Weight
3.5 pounds
Product Dimensions
2 x 1 x 1 inches
Item model number
S1556-5
Color
Black