The Zoeller 912-0007 automatic sewage ejector package system delivers factory-assembled basement wastewater management through its distinctive 18-inch by 30-inch polyethylene structural foam basin paired with the proven M264 cast iron sewage pump. This complete simplex sewage package arrives fully plumbed with internal 2-inch PVC discharge piping, eliminating field assembly errors while providing immediate installation readiness for residential basement bathroom applications and below-grade plumbing fixtures requiring lift capabilities from 5 to 18 feet of head. Manufacturing precision defines this MPN 912-0007 system, where Zoeller's rotational molding process creates the basin's uniform wall thickness and integrated structural integrity. The package includes a polyfoam lid with pre-sealed cord penetration and factory-drilled 2-inch vent opening, plus the complete M264 pump assembly featuring its signature engineered plastic vortex impeller designed specifically for passing 2-inch spherical solids through the 4/10 horsepower motor's pumping chamber without clogging or downtime. Integrated Basin Construction: 18x30 Polyethylene Structural Foam Engineering for Flush-Grade Burial The 18-inch diameter by 30-inch depth basin configuration in this 912-0007 system utilizes high-density polyethylene structural foam (PSF) construction that provides superior resistance to underground soil pressures and hydrostatic forces compared to conventional thin-wall polyethylene basins. Structural foam molding injects nitrogen gas during the manufacturing process, creating a dense outer skin with a cellular core that dramatically increases rigidity while maintaining chemical resistance to raw sewage constituents, septic effluent, and groundwater minerals that degrade inferior basin materials over decades of continuous exposure. Installation specifications for this exact 18x30 basin dimension allow flush-to-grade burial where only the polyfoam access cover remains visible after concrete floor finishing, meeting International Plumbing Code Section 712.3.2 requirements for gas-tight removable covers. The basin's 30-gallon total capacity delivers adequate storage volume for typical basement bathroom toilet flushing cycles, laundry discharge surges, and sink drainage from fixtures located below the main sewer line elevation, while the 18-inch diameter accepts the M264 pump's footprint plus necessary float switch clearance without requiring oversized excavation in finished basement floors. M264 Waste-Mate Pump Integration: Cast Iron Motor Housing with Oil-Filled Heat Dissipation This 912-0007 package incorporates Zoeller's Model M264 automatic sewage pump, featuring a 4/10 HP (0.4 horsepower) motor rated at 115 volts, 9.4 amperes, single-phase 60 Hz operation with 1725 RPM output. The pump's cast iron switch case, motor housing, and pump housing construction provides corrosion resistance through powder-coated epoxy finishing, while the oil-filled motor chamber ensures optimal heat dissipation that prevents thermal overload during extended pumping cycles when basement bathroom fixtures generate continuous wastewater flow exceeding the pump's on-off cycling patterns. Performance specifications for the M264 pump in this preassembled system deliver 90 gallons per minute (GPM) at 5 feet of head, 60 GPM at 10 feet of head, and 23 GPM at 15 feet of head, with maximum shutoff head reaching 18 feet vertical lift. These flow characteristics make the 912-0007 ideal for residential basement bathroom ejector applications where toilet, shower, and sink discharge requires lifting wastewater 8 to 12 feet to reach the main building drain connection point, meeting the California Plumbing Code Section 710.3 minimum requirement of 20 GPM discharge capacity for sewage ejector systems receiving toilet waste. Vortex Impeller Design: Engineered Plastic Non-Clog Technology for 2-Inch Solids Passage The M264 pump's signature vortex impeller represents the defining feature separating this 912-0007 system from conventional sewage pumps that utilize traditional semi-open or closed impeller
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