Name Backup Sump Pump Brief Description SumpJet™ 1-1/2" Discharge, is a water powered back-up sump pump that will protect your basement in the case of a power outage. Price $225.00 Extended Description SumpJet™ 1-1/2" Discharge, 3/4" NPT Water Inlet Connection (optional hose connector included) Accepts 20PSI up to 100PSI inlet supply pressure* The SumpJet™ (Model SJ10) is a water powered back-up sump pump that will protect your basement in the case of a power outage. This unique product is powered by your municipal water supply** and requires no electricity to operate! With a compact high efficiency design, The SumpJet™ removes 2 gallons of sump water per 1 gallon used. The SumpJet™ is fully automatic, arrives completely assembled, and comes backed with Liberty's standard 2 year warranty. *The SJ10 pumping performance varies with inlet water source pressure and pumping head. **The SJ10 requires an uninterrupted water source to operate. If you have a well pump, the SJ10 will not operate during power outages. Keywords backup sump pump, sump pump, sumpjet