SJ10 Sumpjet Water Powered Back-Up Pump, Gray. 0 L x 18. 0 W x 21. SJ10 Features: -Pump system. With a compact high efficiency design, removes 2 gallons of sump water per 1 gallon used. Protect basement in the case of a power outage. Powered by your municipal water supply and requires no electricity to operate. Fully automatic, arrives completely assembled, and comes backed. Pumping performance varies with inlet water source pressure and pumping head. Requires an uninterrupted water source to operate. Accepts 20 PSI up to 100 PSI inlet supply pressure. Works off municipal water supply. Adjustable stainless hose clamp for easy mounting. Built-in screen with removable foot valve. Built-in check valve at water inlet. Additional backflow protection is required. Water inlet connection: 0.75” NPT. Maximum fluid temperature: 130 F. Construction: -Constructed of durable PVC. Dimensions: -Dimensions: 21.6” H x 5.1” W x 14.5” D. 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-Gallon of sump water per 1-Gallon used (based on 5-Foot lift). The SumpJet is fully automatic, arrives completely assembled, and comes backed with Liberty’s standard 2 year. The SJ10 requires an uninterrupted water source to operate. 14.5 x 5.1 x 21.6 inches. Product Dimensions: 5.1 inches x 14.5 inches x 21.6 inches. Weight: 5.0 lb. We reserve the right to cancel any order for any reason at any time. We are not responsible for undeliverable addresses. Your satisfaction is guaranteed! All of our items, unless otherwise stated, will only run on 120 volts. Please check to make sure your country complies with these specifications. We will work with you to resolve any problem you may have.