System Sensor i3 sounder and relay smoke detectors apply the guiding principles of installation ease, intelligence, and instant inspection in a series of specialty conventional devices. Throughout the i3 series, installation is simple with its installer-friendly base and plug-in design. The base accommodates a broad range of back box and direct mounting options and provides ample space for pre-wiring the device. To complete the installation, the i3 detector plugs into its base with a simple Stop-Drop ‘N Lock action.

4WTR-B SYSTEM SENSOR 4-Wire Photoelectric I3 Smoke Detector With Thermal Sensor And Form C Relay.
Original price
$67.85
-
Original price
$67.85
Original price
$67.85
$67.85
-
$67.85
Current price
$67.85
Availability:
This product is currently available to purchase
Contact us for price breaks on large quantities!