Home / Detectors / Combination Smoke & Heat Detectors / System Sensor 4WT-B System Sensor 4WT-B $78.39 i3 Series Photoelectric Smoke Detector w/ Thermal, 4-Wire, White Availability: Estimated 6 - 8 Business Days System Sensor 4WT-B quantity Add to cart Request a Quote This product is already on your Quote Request Browse your Quote Request Factory NewBrand: System Sensor FireAlarm.com Part #: 16289 Categories: Combination Smoke & Heat Detectors, Detectors, In Stock - PR Manufacturer Part #: 4WT-B Tags: AW, Discrepancies, PR Specifications Resources Information Weight 1.00 lbs Detection Method Fixed Temperature, Photoelectric Series System Sensor i3 Series Thermal Rating 135°F Condition New Brand System Sensor Related Products... System Sensor SENS-RDRSensitivity reader for i³ series smoke detectors Quick ViewRead more