rate of rise

  • Sale!

    System Sensor 5601A – 135oF/57oC Rate-of-Rise Heat Detector

    Original price was: $34.95.Current price is: $29.95.
  • THERMOFLEX Conventional Heat Detector, Fixed/Rate of Rise, Indoor, 135oF (57oC), WHITE

  • Sale!

    FireWatcher 521 Intelligent Heat Detector