the Emerson ADK-084S is specifically designed for liquid line applications

and prevent common pressure switch faults caused by a deteriorating blower wheel or high-amp motor draw

Where is it installed

Durable Construction: High-grade insulation and secure locking connectors prevent vibration-induced disconnects

The 577-0415-04 is the manufacturer-designated direct replacement

Armstrong International 15BI3 Trap 321702-401 the Emerson ADK-084S is specificallyThe Armstrong International 15BI3 is a high performance Series B Float and Thermostatic Steam Trap engineered for low pressure steam heating services. This 3 4" NPT in line connection trap features a robust cast iron body and a 7 32" orifice, specifically designed to handle a maximum operating pressure of 15 PSI. By utilizing a high leverage valve mechanism and a dedicated thermostatic air vent, the 15BI3 ensures immediate discharge of air and non