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Seals and repairs cracks and leaks in steam and hot water systems.
This liquid formula will not clog hot water coils, controls, valves, or vents.
Forms a tough seal that expands and contracts with heat.
Resists high pressure and is not affected by boiler cleaners.
No odors - no priming - no foaming.
Does not contain petroleum distillates.
Compatible with Hercules cryo-tek or other types of propylene glycol-based anti-freeze products, chemical additives and boiler treatment compounds.
NSF registered/USDA authorized.
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