Wet Alarm Check Valve 4" (100mm)

• Wet alarm check valve, 4-inch (100mm) connection size. • Designed for fire protection systems to prevent backflow and activate alarms. • Features a clapper that opens with water flow, triggering a water motor gong or electric alarm switch. • Typically used in wet pipe sprinkler systems. • Brand new condition, ready for installation. • ULTIMATE FIRE brand ensures reliable performance in critical safety applications. • Complies with relevant fire safety standards for commercial and industrial use.