Goulds SDS1, Assembled Sink Drain Package With EP04 Pump, 4/10 HP, 115 Volts, 1-1/2" NPT Discharge, Structural Foam Basin and Cover

Brand: Goulds
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Goulds SDS1 Sink Drain Package

Fully assembled (individually cartoned) at the factory for easy installation.  Capable of running dry without damage to components.  It features a severe duty rated oil and water resistant power cable. 


This sink drain package is specifically designed for the following uses:

  • Laundry tray
  • Wet bar sink
  • Air conditioning condensate or dehumidifier water
  • Residential dishwashers
  • Beautician sink

Package includes:

  • Pump model EP0411
  • A2H11 Vertimaster vertical level switch with 10 foot cord and piggyback plug
  • Basin and cover with built-in threaded inlet, vent and discharge connections
  • 1-1/2" schedule 40 PVC discharge pipe (internal)

Basin Features

  • 10 gallon structural foam basin
  • Dimensions: 17" diameter x 137⁄8" high
  • 1-1/2" NPT threaded vent, discharge and inlet connections

Pump EP0411 Features

  • Single phase, 0.4 HP, 115 Volts with 10 feet power cord
  • Thermoplastic semi-open design with pump out vanes for mechanical seal protection
  • 3/4" maximum solids handling
  • 1-1/2" NPT discharge connection
  • Capacity up to 55 GPM
  • Total head up to 24 feet
  • Built in overload with automatic reset
  • CSA listed pump
Mfg. NumberSDS1
Product TypeSink Drain System
ApplicationWastewater, Drainage
Horsepower4/10 HP
Voltage115 Volts
Frequency60 Hz
Speed1550 rpm
Discharge Connection1-1/2" NPT
Inlet Connection1-1/2" NPT
Maximum Flow55 gpm
Maximum Head24 ft
Flow at 5 ft53 gpm
Flow at 10 ft46 gpm
Flow at 15 ft36 gpm
Flow at 20 ft21 gpm
Flow at 22.5 ft10 gpm
Motor InsulationClass B
Basin/Cover MaterialStructural Foam
Basin Diameter17"
Basin Height13-7/8"
Impeller TypeSemi-open with pump-out vanes
Thermal ProtectionYes
Maximum Current12 Amps
Temperature (Continuos)104°F
Temperature (Intermittent)140°F
Power Cable Size10 ft

The Goulds SD series sink drain pumps are a fully assembled package designed for wet bars, laundry trays, air conditioning condensate, dehumidifier condensate, residential dishwashers and beautician sinks. The pump is built into the basin which has a built-in threaded inlet, vent and discharge connections. Each package unit also includes 1-1/2" schedule 40 PVC internal piping. The basins for both units are 10 gallon structural foam basins with 1-1/2" NPT threaded vent, discharge and inlet connections. The main difference is the accompanying pump: the SDS-ST unit includes a ST31AV pump with a built-in vertical master float switch, while the SDS1 unit includes the EP4011 pump with a A2H11 vertical level switch with a piggyback plug. The pump have different performance ratings and can handle distinct diameter solids - please see the chart below.


Model Comparison Chart

Model Pump Discharge HP Voltage Phase GPM Max. Head Cord Solids
SDS-ST ST31AV 1-1/2" 1/3 115 1 50 26' 10' NEMA 3-Prong 1/2"
SDS1 EP0411 1-1/2" 0.4 115 1 55 24' 10' 3/4"



Goulds SDS-ST Sink Drain Pump System Brochure
Goulds SDS1 Sink Drain Pump System Brochure

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*Note: Picture is illustrative and may not reflect the actual product.*