NIBCO® FLO-BOSS® Combination Isolation Valves are constructed of dezincification resistant materials that provide a completely integrated balancing solution. Each valve is complete with an integral ball valve with PTFE seat, drain, union connection, one PT Port and EDPM O-rings. Additional threaded tappings are available for optional accessories. Please refer to NIBCO technical data sheets and IOM Manuals for engineering and installation information. Choose NIBCO® Coil-Connect® Kits, valves, fittings and accessories for the most specified, versatile and economical option in commercial HVAC and mechanical applications. NIBCO Coil-Connect components are backed by the NIBCO 5-year 125% limited warranty.