4-Wire Heat Detectors

4-wire heat detectors don't actually exist. You will only have 2-wire heat detectors and wireless heat detectors. There are also 4-wire combination smoke & heat detectors. Many heat detectors are one-and-done devices, and they need to be replaced after activation. Buy heat detectors from Alarm Grid.
System Sensor 4WT-B - 4-Wire Smoke Detector with Fixed Heat Sensor
System Sensor 4WT-B
4-Wire Smoke Detector with 135°F Fixed Heat Sensor
List Price: $60.00
Our Price: $51.99
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System Sensor 4WTA-B
4-Wire Smoke Detector with Fixed Heat and Sounder
List Price:
Our Price: $64.99

4-wire heat detectors don't actually exist. You will only have 2-wire heat detectors and wireless heat detectors. There are also 4-wire combination smoke & heat detectors. Many heat detectors are one-and-done devices, and they need to be replaced after activation. Buy heat detectors from Alarm Grid.

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