Liberty SJ10 SumpJet Water-Powered Backup Sump Pump Brand: Liberty Pumps | SKU: SJ10 Product Overview The Liberty Pumps SJ10 SumpJet is a fully automatic water-powered backup sump pump designed to operate during power outages without electricity. It uses an uninterrupted municipal water supply to remove sump water when the primary sump pump is unavailable. Key Features Water-powered backup operation requires no electricity Fully automatic and factory assembled Removes approximately 2 gallons of sump water for each gallon of supply water used Accepts 20–100 PSI inlet water pressure Compact backup-pump design Common Uses Emergency sump-pump backup for homes served by municipal water Technical Specifications Discharge: 1-1/2 in. Water Inlet: 3/4 in. NPT Supply Pressure: 20–100 PSI Power Source: Municipal water pressure Operation: Automatic Compatibility & Installation Notes The SJ10 requires an uninterrupted municipal water supply. It is not an effective power-outage backup for homes that depend on an electric well pump, because the well system may not supply water when power is lost. Pumping performance varies with inlet pressure and discharge head. Frequently Asked Questions Does the SJ10 need electricity?No. The backup pump operates from municipal water pressure. Can I use it with a private well?Liberty cautions that the SJ10 will not operate during a power outage if the water supply depends on an electric well pump. Why Buy the Liberty SJ10 from Big Frog Supply? The SJ10 provides an electricity-free backup option for compatible homes with reliable municipal water service.
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