Munro FSL400S11 - FSL Series Submersible Dewatering Pump Designed for continuous or intermittent duty, the Munro FSL Series pumps offer an excellent value and Munro’s high-quality standards. This light-weight, yet heavy-duty pump, has a compact design with unique double casing to reduce heat. The FSL Series pumps are commonly used for construction dewatering, utility, pond-less and waterfall style water features Munro FSL Series Features • Abrasion-resistant mechanical shaft seal – protects the motor for longer life • Polycarbonate impeller – easy maintenance and quiet operation • Aluminum alloy outer case – lightweight with excellent cooling effect Munro FSL Product Advantages • Great performance at a great value – This lightweight pump offers heavy-duty performance and delivers more gpm than most other pumps in its class. • Continuous duty design – These pumps are made to run! Munro's design takes the flow path across the motor housing to whisk away the heat generated by the motor. A cool motor means a longer life. • Low cost to own – Munro pumps use lower amps than our competitors, which saves power and money. Munro FSL Product Features & Build Quality • ALUMINUM ALLOY CASE – Stands up to the elements.LONG-LIFE MOTOR – Oil-free with thermal and over-current protector. • POLYCARBONATE IMPELLER – Increases efficiency. • THREADED NPT DISCHARGE – Easy hook-up to a hose or pipe. • STRAINER INLET – For added longevity and durability, passes up to .25” solids. • DOUBLE MECHANICAL SHAFT SEAL – Abrasion resistant, providing maximum motor protection with added oil reserve. The upper seal is carbon/ceramic and the lower seal is silicon/silicon Operating Guidelines for FSL400S11 • Max Head in Feet: 36 ft • Max Capacity GPM: 63 GPM • Max Solids Passage (inches): 0.25" Estimated Performance - Pump Curve = GPM by TDH (in Feet) • 15 feet TDH @ ~60 GPM • 20 feet TDH @ ~50 GPM • 25 feet TDH @ ~37 GPM • 30 feet TDH @ ~23 GPM • 35 feet TDH @ ~5 GPM • PSI Operation Range: 4.32 psi to 14.71 psi