Boiler Liquid 1 Quart

• Prevents steam boiler surging
• Will not clog or coat submerged hot water heating coils, controls, vents or valves
• Resists high pressure and is not affected by boiler cleaners
• Will not cause priming or foaming

Hercules® Boiler Liquidseals and repairs cracks and leaks in steam or hot water hot water heating boilers. The long lasting seal expands and contracts with heat, resists pressure, and is not affected by boiler cleaners.