At What Temperature Do Sprinkler Heads Activate? The liquid in the sprinkler head comes in a variety of colors, which indicates the temperature required to activate the head: Orange – 135° F. Red – 155° F. Yellow – 174° F. What triggers sprinkler system? Fire sprinklers work because high heat triggers the sprinkler system. When
Can A Candle Set Off A Sprinkler? While there’s a small chance of setting off your fire alarm while smoking, vaping, cooking, or burning candles or incense, rest assured that these items won’t set off the fire sprinklers. The only exception to this statement is if you hold a lighter or candle flame directly up
How Often Do Sprinklers Need To Be Tested? Every 10 Years. Dry sprinkler systems should be tested and/or replaced after ten years. Fast-response sprinklers should be tested after 20 years and at 10-year intervals after that, and standard sprinklers should be tested after 50 years and then at subsequent 10-year intervals. How often should sprinklers