Product Description 
Seals and repairs cracks or leaks in steam or hot water heating boilers, prevents steam boiler surging and will not clog or coat submerged hot water heating coils, controls, vents or valves.
- 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 and is safe to use in boilers and systems with plastic or rubber components.
- Compatible with Hercules Cry-Tek or other types of propylene glycol-based anti-freeze products, chemical additives and boiler treatment compounds.
- Makes a strong, lasting repair on difficult leaks in steam boilers.
Dimensions: 1 Quart
Vendor: Hercules
Product Documents
Please Note: Prices, promotions, styles and availability may vary by store and online. While we do our best to provide accurate item availability information, we cannot guarantee in-stock status and availability as item quantities are constantly changing throughout the day. Inventory last updated 6/19/2013 at 5:00am CST. Rebates are an in-store service; therefore online purchases do not qualify towards rebate redemption.
