Liberty 406 Compact Drain Pump — 1/6 HP, Short Profile, High Temperature

Liberty Pumps 406 Low Profile Drain Pump

The Liberty 406 is a compact, high-performance short-profile drain pump designed for applications where clearance is limited but reliable drainage is needed. With a height of just ~10" from base to inlet flange, the 406 fits neatly beneath fixtures. It features a wet-end removable cartridge, factory-installed check valves, stepped discharge adapter (1" / 1¼" / 1½"), and side inlets to streamline plumbing.

Key Features & Benefits

• Short Profile Design — only about 10" tall, ideal for tight installations. 
• Wet-End Serviceability — the pump module is a cartridge with a ¼-turn removal for easy maintenance.
• Stepped Discharge Adapter — supports 1, 1¼, or 1½" connections, with an integral check valve. 
• Side and Top Inlets — multiple inlet options with integral check valves. 
• Thermal Overload & Air-Cooling — motor protected for durability. 
• Corrosion-Resistant ABS Basin — factory molded plumbing connections included. 
• Quiet Operation — includes anti-skid, sound-isolating feet. 

Specifications

Typical Applications

• Bar sinks or utility sinks installed below gravity drain level
• Laundry trays, condensate lines, or other graywater needing compact siting
• Basement remodels, tight cabinetry, under-counter installations

The Liberty 406 delivers compact, high-temperature drainage capability in a short-profile package with easy service access. Always refer to Liberty’s installation instructions and local code for venting, check valve placement, and piping layout.

1/6 hp 17 AMPS 115 Volts 60Hz
1", 1.25", and 1.5" Discharge
1/8" Solids Handling