Interlogix Simon XT Compatible Freeze Sensors
Qolsys IQ Temp
Temperature sensor for low (<40) and high (>100) temperature detection for IQ and IQ Panel 2
Interlogix SDX-135Z
Wireless Interconnected Photoelectric Smoke Detector with Heat and Freeze
Interlogix HDX135Z
Wireless Rate-of- Rise Heat & Freeze Sensor, 135F Degrees