The ST Series valves are suitable for fluid compositions not exceeding 50% glycol

When performing a McQuay chiller repair or rooftop unit maintenance

It is the technician’s choice for maintaining factory specs

For technicians specializing in industrial steam humidifier maintenance

this unit is the industry-standard replacement for the 401450 and JA1P090 series often found in those furnace brands

Johnson Controls V46AC-3 Valve 326058-755 The ST Series valves areThe Johnson Controls V46AC 3 is a pressure actuated water regulating valve engineered for commercial refrigeration systems and high pressure water cooled condensers. Designed for open on rise operation, this 3 4 inch NPT valve manages head pressure by modulating the flow of water or glycol in response to fluctuations in refrigerant pressure. This specific model features a wide 70 to 260 PSI adjustment range, making it suitable for both R 22 and R 404A