Protect your RV hydronic heating system with this premium antifreeze engineered specifically for boiler applications. Made from virgin propylene glycol, this heat transfer fluid delivers excellent thermal performance and burst protection down to -100 degrees Fahrenheit at full strength.

The formula includes premium corrosion inhibitors to safeguard internal components, and it inhibits scale and sediment buildup. Non-corrosive, non-flammable, and ethanol-free, this environmentally responsible option works with Aqua-Hot and Hydro-Hot systems, as well as traditional boilers, closed boilers, and solar systems.

• 1 gallon jug size
• Virgin propylene glycol base
• Burst protection to -100 degrees Fahrenheit
• Premium corrosion inhibitors included
• Non-flammable and ethanol-free
• Inhibits scale and sediment
• Not suitable for aluminum-containing systems
• Made in USA
• Red colour for easy leak identification