System Sensor 5601P single-circuit, 135¦ f fixed-temp/rate-of-rise no
System Sensor 5601P Heat Detector – Low Price, Reliable Fire Safety Deal.
Get the System Sensor 5601P heat detector at an incredible low price. This single-circuit unit combines 135°F fixed-temp and rate-of-rise detection. Reliable, UL listed, and easy to install – a budget-friendly choice for fire safety upgrades.