Lancaster Submersible Water well Pump offers a broad selection of 4" submersible well pumps. They range in horsepower from 1/2 to 7-1/2 HP, with the most popular Pump size being 1/2 to 1-1/2 HP, available in Corrosion Resistant Thermoplastic, Lead Free Brass, Cast Iron or Super Strength Stainless Steel. Capacities range from 5,7,10,15,25,30,45,60 and 90 gallons per minute with heads as high as 900 feet. Standard Features Include: Discharge Head with Internal "Anti-Spin" Check Valve (1/2 hp - 1-1/2 hp) Stainless Steel Pump Casing, Hex Shaft and Coupling Stainless Steel Intake Screen and Cable Guard - won't snap off during installation Franklin Electric's Super Stainless Motors Three wire submersible motors require a control box. Control boxes contain a starting relay, starting capacitors and in some cases overload protectors. Two wire submersible motors have these components built into them and do not require a control box. One benefit of using a three wire motor with a control box is that some of the components that are subject to failure are located above ground where you can get to them without pulling the pump.
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