Sentinel R500C

Senitel R5ooC is designed for dilution and subsequent use in Ground Source Heat Pump equipment to provide frost protection and minimise corrosion deposition.

Before filling the ground loop, Sentinel R5ooC to a maximum of nine parts water. The extent of dilution depends upon the desired frost protection. Sentinel R5ooC must not be mixed with other heat transfer fluids.



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  • Provides effective corrosion and scale protection for system metals
  • Effective frost protection
  • May be diluted with mains water
  • Chemically & thermally stable components
  • Resistant to degradation
  • Improved cost of operation of the Ground Source Heat Pump system
  • Non-toxic and biogradable