Goulds 10CS05411CL – 10 GPM, 1/2 HP, 115V 3-Wire, 4" Submersible Well Pump (Control Box Not Included)

The Goulds 10CS05411CL is a 1/2 HP, 10 GPM 4" submersible well pump from Xylem’s Goulds Water Technology CS4 line, built with an all-stainless-steel water end for continuous-duty residential and light-commercial groundwater supply from 4" or larger wells. This complete pump and 115V single-phase (3-Wire) motor -- control box required, sold separately is built around a 10-stage pump end.

• Horsepower: 1/2 HP
• Stages: 10
• Recommended Flow Range: 3-16 GPM (Best Efficiency Point: 10 GPM)
• Discharge Connection: 1-1/4" NPT
• Minimum Well Diameter: 4"
• Motor: 115V, Single-Phase, 3-Wire, 3450 RPM, 4" submersible motor
• Rotation: Counterclockwise (CCW), viewed from discharge end
• Approx. Pump-End Length / Weight: 13.6" / 8 lbs
• Maximum Head with VFD: 660 ft (see performance curve)
• Wiring/Starting: This is a 3-wire single-phase unit and requires a matching Goulds control box (not included) for start/run capacitor and overload protection.

Construction:

• Discharge Head & Motor Adapter: Cast AISI 303 stainless steel for strength, durability, and rigid motor-to-pump alignment -- two cast-in safety line loops for installer convenience
• Casing, Bowl, Shaft & Shim: AISI 304 stainless steel, hex-shaft design for positive impeller drive; coupling is AISI 304 SS with powder-metal construction
• Impeller: Noryl® -- FDA-compliant, corrosion-resistant, non-toxic engineered polymer
• Diffuser: Lexan® -- FDA-compliant engineered polymer, resistant to abrasion and wear
• Bearings: Proprietary engineered polymer bearings; upper bearing spider is Noryl® GFN2
• Check Valve: Delrin® poppet with a BUNA (FDA-compliant) seal and AISI 302 SS retaining ring -- top-serviceable, spring-loaded, screws into the discharge head for easy removal on drain-back systems without disassembling the pump
• Suction Screen: Engineered composite; optional wrap-around suction strainer available
• Cable Guard: AISI 304 stainless steel
• Pipe Connection: Quad-Lock Technology -- 4 permanently roll-formed grooves for durable, secure sealing
• Sand Handling: Face-clearance, floating impeller stack -- field-proven for over 50 years of superior sand-handling durability

Motor Features:

• Motor: Goulds Water Technology 4" motor, corrosion-resistant stainless steel construction, stainless steel splined shaft, hermetically sealed windings, replaceable motor lead assembly, NEMA mounting dimensions
• Surge Protection: Built-in surge arrestor on single-phase motors through 5 HP
• Certifications: Pump/water end and motor tested to UL778 and CAN 22.2 by CSA International; motor certified to NSF/ANSI 61, Annex G (Drinking Water System Components) and NSF/ANSI 372 (Low Lead Content, Class 6853 01)

Applications: Residential and light-commercial water wells, farm and irrigation wells, and deep-well water supply systems requiring dependable, sand-tolerant, all-stainless-steel submersible service.

Installation note: field-serviceable with common tools. Follow the pump manufacturer's wiring and grounding instructions; motors must be sized and protected per the specifications above.