Ensure optimal performance and longevity of your hydronic heating system with Century Chemical 19910-C6 Heat Transfer Fluid. This premium, ready-to-use antifreeze is formulated with non-toxic propylene glycol and specialized corrosion inhibitors, offering protection down to -100°F. Ideal for systems like Aqua-Hot, Oasis, and Timberline S, it provides efficient heat transfer while safeguarding components against corrosion and scale buildup. Its high boiling point and stability across a wide temperature range make it suitable for various applications, including RV floor heating, solar, hydronic, and HVAC units. Includes a FREE limited manufacturer warranty for added peace of mind.