Temperature Warning Nozzles change from clear to blue, indicating that the chemical has reached a cold temperature, and the foam should not be dispensed.
- Nozzle turns blue when chemical is at a cold temperature [below 60°F (16°C)].
- Nozzle is blue when left in cold conditions. It will return to clear when spraying chemical at optimum chemical temperature.
- 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. |