Johnson Controls P47AA-1C Steam Pressure LimitThe P47AA 1C Steam Pressure Limit Control is a rugged safety device from Johnson Controls that protects boiler and steam systems by accurately regulating steam pressure up to 15 psi. Designed for industrial use, this P47AA 1C Steam Pressure Limit Control delivers dependable performance with precise sensing and durable construction. It helps prevent dangerous overpressure, shielding boilers and piping while maintaining efficient system operation in

Differential Pressure: 125 PSI

this front module helps maintain optimal airflow

Manual Override Lever for maintenance and troubleshooting

connecting easily to standard piping and electrical configurations

It resists heat and corrosion in tough HVAC environments

millivolt capable

Size: 5/16 inch

Voltage: 120 VAC

It meets NEC Class II standards and works with

Operation timing: Open 5 seconds

170-250 psi operating range

Easy spraying: smooth