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
- 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
Product Information
Product Information
Shipping & Returns
Shipping & Returns

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
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
- 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
Original: $30.99
-40%$30.99
$18.73Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
- 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









