Goulds LSP0311A – Submersible Sump Pump, 1/3 HP, 115 Volts, 1 Phase, 1-1/2" NPT Discharge, 36 GPM Max, Built-In Wide Angle Float Switch, 10 ft Cord

The Goulds LSP0311A is a 1/3 HP, 115-volt, single-phase submersible sump pump, equipped with a built-in wide-angle float switch for automatic operation. It is built for continuous submerged operation, handling solids up to 3/8" spherical in diameter through a 1-1/2" NPT discharge connection.

• Horsepower: 1/3 HP
• Voltage: 115V, Single-Phase
• Amps: 2.9
• Minimum Circuit Breaker: 10 A
• Maximum Capacity: 36 GPM
• Maximum Total Head: 20 ft TDH
• Discharge Connection: 1-1/2" NPT
• Maximum Solids Handling: 3/8" spherical
• Minimum Basin Diameter: 12"
• Power Cord Length: 10 ft
• Float Switch Level (On / Off): 11" / 5"
• Shipping Weight: 11 lbs
• Maximum Liquid Temperature: 104°F (40°C) continuous

Construction & Features:

• Construction: Corrosion-resistant, stainless steel motor casing and fasteners
• Impeller & Casing: Glass-filled thermoplastic
• Bearings: Upper and lower heavy duty ball bearing construction
• Motor: Air-filled, permanently lubricated, permanent-split-capacitor (PSC) type, powered for continuous operation
• Shaft: Hard-coated 400 series stainless steel
• Seal System: Double labyrinth lip seal (three lip seals plus a V-ring) with an impeller counterblade system that keeps solids away from the seal unit
• Float Switch: Adjustable for various liquid levels; easily removed for direct pump operation or switch replacement

Applications: Basement draining, water transfer, and dewatering.

Installation note: this pump must remain fully submerged during operation for proper motor cooling and lubrication. Wiring must be performed by a qualified electrician in accordance with local codes and the National Electrical Code, using a dedicated, properly grounded circuit sized to the minimum circuit breaker shown above.