The push flexible hose water heater connector features a push-to-connect ball valve end x female FIP threaded end. These flexible hoses provide a means for adapting a push connection to a threaded connection. Please refer to NIBCO technical data sheets and catalogs for engineering and installation information. NIBCO ball valve Push flexible hose water heater connector are backed by a 2-year limited warranty. Because of its longstanding reputation for innovation and precision in design and manufacturing, NIBCO is the preferred brand in the industry.