Sump Pump Protection Kit with Indoor Alarm, Check Valve & Discharge Hose Size:Kit with 1 1 4" Discharge Hose this hose delivers excellent flexibility exceeding N95 requirements this hose delivers excellent flexibility and easy handling across job sites Heatstar PRO SERIES 70 Specification Details Alarm SJE Rhombus Tank Alert® AB (Indoor Use Only) Alarm Enclosure NEMA 1 Float Switch 15 ft SignalMaster® Alarm Power 120 VAC with 9V Battery Backup Alarm Sound Level 87 dB @ 10 ft Check Valve Full Port Flexible Check Valve Check Valve Compatibility Fits 1 1 4" & 1 1 2" Pipe Discharge Hose Length 24 ft Available Hose Sizes 1 1 4" or 1 1 2" Hose Material UV Stabilized Corrugated HDPE Hose Pressure Rating 50 PSI Hose Clamp Zinc Plated Steel Adapter MPT × Barb Why Choose This Protection Kit