Zoeller 912 Simplex 24″ × 24″ Sewage Package System with M266 — Model 912-1143

The Zoeller 912 Simplex Package (Model 912-1143) pairs a 24″ × 24″ basin with Zoeller’s trusted M266 1/2 HP sewage pump for a complete, professional-grade sewage ejector solution. Designed for basement bathrooms and below-grade plumbing, this pre-engineered system provides dependable wastewater removal when gravity drainage is not an option.

Key Features & Benefits

• Complete simplex package for streamlined sewage ejector installations
• M266 1/2 HP sewage pump with 2″ solids-handling capability
• 24″ × 24″ basin sized for compact spaces and standard residential sewage pits
• Automatic pump operation with float control
• Compatible with most residential plumbing configurations
• Zoeller-engineered system for reliability and code-friendly installation

Best Use Cases

• Basement or lower-level bathrooms
• Homes below the main sewer line
• Residential sewage lift to septic or gravity sewer
• Small commercial applications (per local code)

What’s Included*

• Zoeller M266 1/2 HP automatic sewage pump
• 24″ × 24″ poly basin (simplex configuration)

 

Specifications

Product Title	912 Simplex 24″ × 24″ Sewage Package with M266
Model / SKU	912-1143
UPC	053514480529
System Type	Simplex (single-pump sewage ejector system)
Core Pump	M266, 1/2 HP, 2″ solids handling
Basin Size	24″ × 24″
Typical Discharge	2″ NPT

 

Performance & System Sizing

This system should be sized using the M266 pump curve and Total Dynamic Head (TDH) calculations. Consider vertical lift, pipe length, friction loss, and check valve placement.

 

Common Questions

Q: What makes this a “simplex” system?
A: It uses a single sewage pump for wastewater removal. Duplex systems use two pumps for redundancy or higher demand.

Q: Can the M266 handle solids?
A: Yes—up to 2″ spherical solids, per Zoeller’s specification.

Q: Where is this system typically installed?
A: In basements, garages, or pits below the main sewer line where gravity flow isn’t possible.