500 Gallon Duplex Fiberglass Pump Station with (2) 1/2 HP Sewage Ejector Pumps and Alternating Control Panel

70" Diameter x 72" Tall Basin • True Duplex Redundancy • 25 ft Max Head • Up to 120 GPM • Pre-Assembled Sewage Lift Station with Alarm

This 500-gallon duplex sewage ejector pump station is a robust, pre-assembled solution designed for larger residential raw sewage and wastewater applications requiring redundancy. Equipped with two 1/2 HP Little Giant sewage ejector pumps and an automatic alternating control panel, the system provides backup protection and even pump wear — ensuring continuous operation even if one pump requires service. Ideal for homes with basements, multiple below-grade fixtures, or sites where gravity drainage to the septic tank or city sewer is not possible.

Built To Order Within 1-2 Business Days

$4980.00MSRP: $5199.00

Item #:500FPT-12SDUP

Manufacturer:Septic Solutions

FEATURES & BENEFITS

True Duplex Redundancy — Two independent 1/2 HP ejector pumps with automatic alternation for balanced operation and built-in backup.
Heavy-Duty Fiberglass Construction — 500-gallon tank (70" diameter x 72" tall) engineered for direct burial with excellent corrosion resistance and structural strength.
Little Giant Sewage Ejector Pumps — Handle up to 2" solids, ideal for raw sewage containing toilet paper, human waste, and light debris.
High Flow Performance — Each pump delivers up to 120 GPM with a maximum head of 25 ft.
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.

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
2" SCH 40 discharge pipe sealed with grommet
Cord seals for power and control wiring

Little Giant 1/2 HP Sewage Ejector Pumps (Qty: 2) — Model 10SC-CIA-RF

1/2 HP, 115V, 11.0A, 60 Hz, single phase
Performance: 80 GPM @ 15 ft head • Max 120 GPM • Shut-off: 25 ft
2" NPT vertical female discharge
Handles 2" solids
Includes 20 ft mechanical float switch with piggyback plug
Dimensions: 10.60" L x 8.60" W x 14.00" H
3-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: Sewage ejector pumps are designed for pumping raw sewage into a septic tank or gravity sewer main. For pumping to a pressurized force main, use grinder pumps instead.

APPLICATIONS

Larger homes with basements or multiple below-grade bathrooms
Pumping sewage from the house to a septic tank
Retrofitting existing properties to connect to city sewer
New construction on lots without gravity drainage
Residential systems requiring higher capacity and redundancy

WHAT'S INCLUDED

500-gallon fiberglass duplex basin
(2) Little Giant 1/2 HP sewage ejector pumps (10SC-CIA-RF)
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.