Johnson Controls VG1245CNH923GGA Valve Assembly 326058-758 normally closed (NC) servo-operated valve

normally closed (NC) servo-operated valve engineered for demanding HVACR applications

including several Knight boiler series and high-recovery water heaters where hand hole access is required for heat exchanger descaling

By stabilizing the cooling loop chemistry

It utilizes a digital signal output to eliminate the common issue of temperature variance caused by wire resistance

Johnson Controls VG1245CNH923GGA Valve Assembly 326058-758 normally closed (NC) servo-operated valveThe Johnson Controls VG1245CNH923GGA is a high performance 1 inch NPT ball valve assembly engineered for precise modulation in commercial hydronic systems. This two way normally open configuration is built with a forged brass body and stainless steel trim, providing the durability required for both chilled and hot water applications. The valve features an 11. 7 Cv rating with an equal percentage flow characteristic, which is critical for maintaining