Pros, Join Our TradeMaster Program!
  • 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.
Read more
Product Type:
Boiler Liquid
Leak Prevention
32 oz.
Speak with a real person who will go out of their way to help!
Closed Now: Phone Hours
Monday – Thursday
8am–7:45pm ET
9am–7:45pm ET

12 Product Reviews

Product Q&A

Add-on Item

This item is cost-prohibitive to ship on its own but is available to ship with orders over $200.

Why don't we show the price of this item?

We try to always offer you the lowest prices possible, but some manufacturers require that we only show these low prices once you take further action.

To see the price, simply add the item to your cart or sign in.