Johnson Controls VG1245CNH923GGA Valve Assembly 326058-758 and a dedicated wiring harness

and a dedicated wiring harness

By stabilizing the cooling loop chemistry

Universal Installation: 3/8" ODF copper sweat connections allow for easy brazing and mounting in any orientation within the liquid line

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

making it a reliable choice for HVAC liquid line repair

Johnson Controls VG1245CNH923GGA Valve Assembly 326058-758 and a dedicated wiring harnessThe 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