SmartWire is the industry’s first simple to install 2-wire system. It requires no training and is cost effective for commercial jobs 16 zone and higher. SmartWire provides a reduction in material (copper wire) and labor costs; simplicity of wiring, programming and troubleshooting; and ease of system expansion when adding zones. It converts any SL1600 SmartLine controller into a 16, 24, or 48-zone 2-wire controller. True two-way communication provides specific diagnostics, so you don’t have to spend hours searching for a problem.