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500 Gallon Duplex Fiberglass Pump Station with (2) 4/10 HP Sewage Ejector Pumps and Alternating Control Panel
70" Diameter x 72" Tall Basin • True Duplex Redundancy • 20 ft Max Head • Up to 100 GPM • Pre-Assembled Sewage Lift Station with Alarm
This 500-gallon duplex sewage ejector pump station is a reliable, pre-assembled solution designed for larger residential raw sewage and wastewater applications requiring redundancy. Equipped with two 4/10 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
Item #:500FPT-410SDUP
Manufacturer:Septic Solutions
FEATURES & BENEFITS
- True Duplex Redundancy — Two independent 4/10 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.
- Solid Performance — Each pump delivers up to 100 GPM with a maximum head of 20 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: 700" 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 4/10 HP Sewage Ejector Pumps (Qty: 2) — Model 9SC-CIA-RF
- 4/10 HP, 115V, 8.0A, 60 Hz, single phase
- Performance: 80 GPM @ 10 ft head • Max 100 GPM • Shut-off: 20 ft
- 2" NPT vertical female discharge
- Handles 2" solids
- Includes 20 ft mechanical float switch with piggyback plug
- 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 4/10 HP sewage ejector pumps (9SC-CIA-RF)
- SPI 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.