Temperature Warning Nozzles change from clear to blue, indicating that the chemical has reached a cold temperature, and the foam should not be dispensed.

1. Nozzle turns blue when chemical is at a cold temperature [below 60°F (16°C)].
2. Nozzle is blue when left in cold conditions. It will return to clear when spraying chemical at optimum chemical temperature.
3. Provides a visual indication at the point of spraying, that the chemical is too cold.

OPTIMUM CHEMICAL TEMPERATURE	70-85˚F
BLUE NOZZLE	STOP spraying. Warm chemical to recommended temperature.
CLEAR NOZZLE	Chemical is at acceptable temperature range and is OK to spray.