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500 Gallon Duplex Fiberglass Pump Station with (2) 1.0 HP Sewage Grinder Pumps and Alternating Control Panel
70" Diameter x 72" Tall Basin • True Duplex Redundancy • 50 ft Max Head • Up to 46 GPM • Residential Grinder Lift Station with Alarm
This 500-gallon duplex grinder pump station is a heavy-duty, pre-assembled sewage lift station designed for larger residential applications requiring reliable redundancy. Equipped with two 1.0 HP Liberty ProVore grinder pumps and an automatic alternating control panel, this system provides built-in 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 sewer main is not possible.
Built To Order Within 1-2 Business Days
Item #:500FPT-PRG1DUP
Manufacturer:Septic Solutions
FEATURES & BENEFITS
- True Duplex Redundancy — Two independent 1.0 HP Liberty ProVore grinder pumps with automatic alternation for balanced operation and backup reliability.
- Heavy-Duty Fiberglass Construction — 500-gallon tank (70" diameter x 72" tall) engineered for direct burial with excellent corrosion resistance and structural strength.
- Liberty ProVore Grinder Technology — Patented V-Slice cutter system efficiently grinds tough solids (wipes, rags, feminine products, etc.) into a fine slurry.
- Solid Performance — Each pump delivers up to 46 GPM with a maximum head of 50 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
Liberty 1.0 HP ProVore Grinder Pumps (Qty: 2) — Model PRG101A
- 1.0 HP, 115V, 12.0A, 60 Hz, single phase
- Performance: 30 GPM @ 25 ft head • Max 46 GPM • Shut-off: 50 ft
- 2" NPT vertical female discharge
- Patented V-Slice hardened stainless steel cutter system
- Heavy-duty cast iron construction
- Includes 10 ft quick-disconnect power cord with plug
- Includes 10 ft wide-angle mechanical float switch with piggyback plug
- Dimensions: 11.1" L x 7.2" W x 17.6" 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: Grinder pumps are designed for pumping to a city sewer main or force main. They are not recommended for pumping directly into a septic tank (use sewage ejector pumps for septic applications).
APPLICATIONS
- Larger homes with basements or multiple below-grade bathrooms
- Retrofitting existing properties to connect to city sewer
- New construction where gravity flow is not possible
- Residential applications requiring reliable grinder performance and redundancy
- Properties with tough solids in wastewater
WHAT'S INCLUDED
- 500-gallon fiberglass duplex basin
- (2) Liberty 1.0 HP PRG101A ProVore 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