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Black Swan Powered Boiler Stop-Leak - Superior Boiler Treatment Chemicals for Steam and Hot Water Systems - High Temp & Pressure Boiler Repair - No Shutdown Required - Permanent Seal

✅ In stock 📉 Price recently dropped
B
Grade
👍 Good Deal
66.54/100
Current Price
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.
$18.73
Listed $89.99
Save $71.26 79% OFF
Analysis Confidence 100%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 19, 2026 5:44 AM · Prices & availability subject to change

Is This a Good Price on Amazon?

👍 Good Deal
  • 👍Verdict: Good Deal. Solid value. Price is noticeably below the recent average.
  • 💰The current price is 34% below what this product typically costs — a notable saving over its usual going rate.
  • 🏷️The retail sticker price has been slashed by 79% — a steep markdown from the official listing.
  • 📉Pricing has not dipped this low in roughly six months, placing this offer among the better deals in that window.
  • 📈Pricing has been trending lower — momentum that adds further appeal to this deal.

How We Scored This Deal

Price Competitiveness 28/28
Recent Value 6.36/22
Market Standing 12.18/20
Deal Strength 10/20
Momentum 10/10

📝 Product Overview

🏪 Sold by Black Swan Mfg. Co.
🚚 Shipping Free Shipping

Product Details

Free Flowing Powder Formula: Special blend of powders designed to flow easily through your boiler system to reach leaks quickly and effectively
Air-Activated Sealing Technology: On contact with air, the powder hardens into a strong, durable seal that resists high temperatures, expansion, contraction, and vibration
Non-Interfering Operation: Doesn't interfere with normal boiler operation, allowing your heating system to continue functioning while repairs take place
Convenient 1lb Size: Comes in a 1lb container, providing sufficient product for treating leaks in steam and hot water boilers
Long-Lasting Repair Solution: Repairs leaks caused by cracks, imperfect pipe threads, rust, and defective castings, extending the operating life of your boiler for many years

⚙️ Specifications

‎Black Swan Mfg. Co.
‎06005
‎1.15 pounds
‎5 x 2.25 x 7.75 inches
‎06005
‎1
‎No
‎No
Manufacturer
Black Swan Mfg. Co.
Part Number
06005
Item Weight
1.15 pounds
Product Dimensions
5 x 2.25 x 7.75 inches
Item model number
06005
Item Package Quantity
1
Batteries Included?
No
B
$18.73
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