Home / Detectors / Accessories / Detector Bases / System Sensor B401 System Sensor B401 $18.19 Detector Base Availability: Estimated 6 - 8 Business Days System Sensor B401 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 #: 31247 Categories: Accessories, Detector Bases, In Stock - PR Manufacturer Part #: B401 Tag: PR Specifications Resources Information Weight 1.00 lbs Condition New Brand System Sensor