Home > Smoke Detectors > Four Wire Smoke Detectors >   System Sensor 4W-B Four Wire Smoke Detector
	Our Price: $36.00 Availability: IN STOCK: Ships out same day or within 24 hours. Product Code: SYS 4W-B Qty:

Description   4 wire type smoke detectors are compatible with all alarm systems, unlike the less popular 2 wire type. We're often asked which type we recommend, 2 wire type or 4 wire type. If you are going to have only a few and they will all be on one level, we recommend 2 wire type. On the other hand if you will have smoke detectors on more than one level, will have more than a four or five, or you need them with built in sounders we then recommend the 4 wire type.

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