500 Gallon Duplex Fiberglass Pump Station with (2) 2.0 HP Little Giant Sewage Grinder Pumps and Alternating Control Panel

70" Diameter x 72" Tall Basin • True Duplex Redundancy • 130 ft Max Head • Up to 32 GPM • High-Head Duplex Grinder Lift Station with Alarm

This 500-gallon duplex grinder pump station is a heavy-duty, pre-assembled sewage lift station designed for residential and light commercial applications requiring high head pressure and full redundancy. Equipped with two powerful 2.0 HP Little Giant grinder pumps and an automatic alternating control panel, this system ensures reliable operation and backup protection — even during high-demand periods or if one pump requires service. Ideal for pumping raw sewage over long distances or significant elevation changes to a pressurized sewer main.

Built To Order Within 1-2 Business Days

$9579.00MSRP: $9999.00

Item #:500FPT-20GDUP

Manufacturer:Septic Solutions

FEATURES & BENEFITS

True Duplex Redundancy — Two independent 2.0 HP grinder pumps with automatic alternation for even wear and built-in backup.
Heavy-Duty Fiberglass Basin — 500-gallon capacity (70" diameter x 72" tall) engineered for direct burial with superior corrosion resistance.
Powerful High-Head Grinder Pumps — Efficiently grind tough solids (wipes, rags, feminine products, etc.) into a fine slurry for transport through smaller lines.
Alternating Control Panel — Includes automatic alternation, high-water alarm, pump run indicators, and HOA switches.
Pre-Assembled & Ready to Install — Comes complete with pumps, floats, discharge piping, check valves, and 24" access cover.
High Performance — Each pump delivers up to 32 GPM with a maximum head of 130 ft.

TECHNICAL SPECIFICATIONS

500-Gallon Fiberglass Tank

Dimensions: 70" Diameter x 72" Tall
Heavy-duty fiberglass for direct burial
24" Polylok access cover (risers available)
4" inlet with grommet
1-1/2" SCH 40 discharge pipe sealed with grommet
Cord seals for power and control wiring

Little Giant 2.0 HP Grinder Pumps (Qty: 2)

2.0 HP, 230V, 13.9A, 60 Hz, single phase, 3450 RPM
Performance: 30 GPM @ 60 ft head • Max 32 GPM • Shut-off: 130 ft
1-1/2" NPT vertical female discharge
Heavy-duty cast iron construction
Stainless steel leg kit included
Dimensions: 11.50" L x 9.63" W x 21.56" H
2-Year Manufacturer Warranty

SPI #50A506 Duplex Control Panel

120/240VAC single phase, 0-20 FLA
Automatic alternating relay
(3) mechanical float switches with 20 ft cords
360° red alarm beacon + 100 dB audible buzzer
Pump run indicators, HOA switches, Alarm Test/Mute
NEMA 4X weatherproof enclosure, UL 508A listed
2-Year Limited Warranty

Important Note: Grinder pumps are designed for pumping to a pressurized sewer main or force main. They are not recommended for pumping directly into a septic tank (use sewage ejector pumps for septic applications).

APPLICATIONS

Homes with basements or low-lying plumbing requiring high lift
Properties with long force main runs or significant elevation changes
Retrofitting to city sewer where gravity flow is impossible
Larger residential or light commercial sites needing redundancy
Challenging lots with high head requirements

WHAT'S INCLUDED

500-gallon fiberglass duplex basin
(2) Little Giant 2.0 HP grinder pumps
Duplex control panel with alarm
Three mechanical float switches
24" Polylok access cover
Pre-installed discharge piping, check valves, and seals
All grommets, hardware, and wiring terminals

This item is custom built to our customers' site specific needs. Therefore it is considered a "Custom Product" and cannot be returned for a refund. See our Return Policy for more details.