The NIBCO® FLO-BOSS® 737 is an iron globe style balancing valve. It is ideal for use in HVAC and plumbing systems to ensure optimum system performance and provides comfort and energy savings by providing the correct flow throughout the system. The 737 is designed with a non-rising stem and integral memory stop to retain settings. The valve's EPDM coated disc provides positive shutoff. Extended test points are also provided for easy access. Please refer to the NIBCO® technical data sheets, chemical resistance guides and catalogs for engineering and installation information. Choose NIBCO® for the most specified, versatile and economical valve options in commercial, mechanical and industrial applications. All valves are backed by the NIBCO® 5 years 125% limited warranty.