The Zoeller Sew-M803 Check Valve Alarm is designed for efficient sewage management, featuring a 1.25" NPT connection. This durable valve is constructed from high-quality materials to ensure longevity and reliability in demanding environments. It is compatible with various sewage systems and meets industry standards for performance and safety. The alarm feature provides an added layer of protection, alerting users to potential issues. With dimensions optimized for easy installation, this check valve is an essential component for any sewage pumping system.