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Premium Boiler System Antifreeze -60ºF (-50°C)

Premium Boiler System Antifreeze -60ºF (-50°C)


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  • US


Star brite Ready-to-Use Boiler System Antifreeze is a an ethanol-free, safe, odorless, tasteless, and non-flammable premium hyrdronic heating and cooling system fluid. Made from virgin propylene glycol (PG), this heat transfer fluid contains premium corrosion inhibitors to protect internal components. It’s formulated to have a high specific heat and boiling point, and provides burst protection down to -60°F (-50°C) at full strength. Works in Aqua-Hot®* and Hydro-Hot® systems as a heat transfer fluid where a Propylene Glycol Based Antifreeze is recommended, and is perfect for use in traditional boilers, closed boilers, and solar systems.

Gras: Propylene glycol is deemed “Generally Recognized As Safe” (GRAS) by the US Food and Drug Administration (FDA), when used as instructed in direct food ingredients and indirect food contact applications. This makes Star brite Ready-to-Use Boiler System Antifreeze an ideal choice for consumers looking for a safer, environmentally friendlier solution, in case of overflows, leaks, and spills.



  • Non-Toxic
  • Non-flammable
  • Ethanol-Free PREMIX
  • Environmentally-safe
  • Inhibits Scale & Sediments


Please follow your system manufacturer’s directions for proper usage. This product is not a concentrate, but may require dilution with distilled or deionized water prior to use. Check percentage of propylene glycol antifreeze solution with a calibrated PG coolant/antifreeze refractometer. Note that ethylene glycol testing equipment will not give accurate readings on this product.

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