The NIBCO® FLO-BOSS® Coil-Connect® Kit NCC4S is prepackaged to include an S-1880 automatic balancing valve, S-1820 combination strainer ball valve with drain, and an S-1800 union with PT port installed. Flexible braided stainless steel hoses are optional and are available in 3 standard lengths. Please refer to NIBCO technical data sheets and IOM Manuals for engineering and installation information. Whether a system is designed for heating, cooling or water distribution, it must be properly adjusted and balanced for optimum performance. A balanced system ensures a comfortable indoor climate. Choose NIBCO FLO-BOSS Coil-Connect Kits and accessories for the most versatile and economical option in commercial HVAC and mechanical system applications. NIBCO FLO-BOSS Coil-Connect components are backed by the NIBCO 5-year 125% limited warranty.