4" Double Check Detector With FXG OSY LF Fire System DK Scrubs Its corrosion-resistant build lowers the

Its corrosion-resistant build lowers the risk of system failure

12 Ventilation channels provide enhanced air flow for comfort and breathability

and longevity of fire safety infrastructure

Keeps pads firmly in place

4" Double Check Detector With FXG OSY LF Fire System DK Scrubs Its corrosion-resistant build lowers theThe 4" Double Check Detector with FXG OS&Y LF Fire System is a specialized backflow preventer designed for commercial fire sprinkler systems. It combines reliable backflow prevention with precise flow detection, ensuring both water safety and effective fire system monitoring in one integrated device. Durable Construction: Built with ASTM A536 ductile iron and coated in fusion bonded epoxy to withstand corrosive environments typical in mechanical rooms