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Grey polyolefin basin with submersible pump and vertical float switch

Liberty

Liberty 405HV Sink Pump System 1/2HP 208-230V 3.5A 5.5gal Basin

SKU CH-DD95-QBEMT MPN 405HV

A 1/2 hp sink drain pump system with a 5.5 gal basin handles up to 48.0 gpm at 5 ft head on 208-230V power

  • TypeDrain Components
  • 1/2 hp motor handles sink drainage efficiently
  • 208-230V operation suits standard commercial wiring
  • 5 gallon basin reduces pump cycling frequency
  • 48 gpm at 5 ft head moves water quickly
  • Vertical float switch provides automatic level control

1/2 HP Sink Pump System

The Liberty 405HV is a complete sink drain pump system built around a 1/2 horsepower motor rated for 208 to 230 volts AC at 3.5 amps. It includes a 5.5 gallon polyolefin basin measuring 13 3/4 inches in diameter and 14 1/8 inches tall. A vertical float switch with integral electrical connection provides automatic operation for residential or light commercial drainage.

Ideal for adding a sink where gravity drain is

This unit suits homeowners or contractors installing a bar sink, laundry tray, or utility sink below the main sewer line. It handles clear water and grey-water waste through its 2 inch inlet, outlet, and vent connections. Buyers who need to pump sewage containing solids should look at a sewage ejector system instead, as this pump is designed for sink drainage applications only.

48.0 gpm at 5 feet of head decides fit

The pump delivers 48.0 gallons per minute at 5 feet of head, 44.0 gpm at 10 feet, and 39.0 gpm at 15 feet. Compare these flow rates against the total dynamic head of your plumbing run to confirm the system will move enough water for the fixtures you plan to connect.

Highlights

  • 1/2 hp motor handles sink drainage efficiently
  • 208-230V operation suits standard commercial wiring
  • 5 gallon basin reduces pump cycling frequency
  • 48 gpm at 5 ft head moves water quickly
  • Vertical float switch provides automatic level control

Specifications

TypeDrain Components
BrandLiberty
Model405HV

Questions about this item

Should I choose the 5.5 gal basin or a different capacity for my sink pump?

The 5.5 gal polyolefin basin measures 13 3/4 in diameter by 14 1/8 in height with a 2 in inlet, outlet and vent, giving you a fixed capacity for this model.

What does the 48.0 gpm flow rate at 5 ft of head mean when the pump is installed?

At 5 ft of head the pump delivers 48.0 gpm, dropping to 44.0 gpm at 10 ft and 39.0 gpm at 15 ft, so actual output depends on your discharge height.

How does the 208-230 V 3.5 A power supply limit where I can wire this pump?

The motor runs on 208 to 230 V AC single-phase at 3.5 A, requiring a dedicated circuit and breaker sized for that voltage and amperage.

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