Glycol Concentrations:

Indoor Chiller and Process

  • 30% Glycol
  • 70% Water
  • -15°C / 5°F Freeze Protection*
  • -29°C / -20°F Burst Protection

Outdoor Chiller / Low Temperature System

  • 50% Glycol
  • 50% Water
  • -37°C / -35°F Freeze Protection*
  • -51°C / -60°F Burst Protection

* Figures based on performance of GDTS “K-Kool-E” brand of Ethylene Glycol, with an operating set point above 40°F.

Warning: Do NOT use automotive anti-freeze in your chiller application. This will void the warranty and can cause severe damage to chiller components.