This Liberty Pumps simplex sewage system can quickly remove wastewater where gravity drain lines are not available. Assembled pump and basin system pushes wastewater from below-grade sewage systems. This completely assembled system has a separate access cover with QuickTree technology to enable quick inspection and access to switches. Model comes with a 115V alarm with 9V backup, includes a prewired high-level alarm, and piggyback mechanical float switch. Model has a shallow basin for easier installation in difficult soil conditions. Sewage System, 4/10 HP This product contains a chemical that is regulated under California Proposition 65. Warning This product contains a chemical known to the State of California to cause cancer. Warning This product contains a chemical known to the State of California to cause birth defects or other reproductive harm.