Tested in good condition Some have different secondary number but same unit The Honeywell PA404A Pressuretrol Steam Boiler Pressure Controller is a reliable and efficient control system designed for steam boilers. With the ability to operate on either 120v or 24v power sources, this controller ensures precise control and monitoring of steam pressure levels. The model, PA404A 1009 PA404A1009, is specifically designed for use in HVAC and refrigeration systems, making it a valuable part of any commercial or industrial heating system.
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