Hercules® Universal Cryo-Tek™ Anti-Freeze stabilizes PH to prevent corrosion, chelates, hard water minerals, and inhibits the formation of scale and sediment. Blend of virgin (not recycled) propylene glycol and exclusive Triple Protection additives. Behold the power of Hercules®, products built to last and trusted by plumbers to withstand even the toughest conditions.

• Can be used in hydronic heating systems, hydronic heating systems with aluminum heat exchangers
• Can also be used in systems with galvanized piping
• Smaller 1 gal size
• Not tested for use with CPVC
• Improves heat transfer and minimizes wear to moving parts
• Meets and exceeds the corrosion protection requirements of ASTM D1384
• Cryo-Tek™ Universal and all Cryo-Tek™ products is in.GRAS in. (Generally Recognized As Safe) for incidental contact with food
• For warranty product details, refer to the Oatey Limited Warranty document