Operating on an 8-13 PSI spring range

Is this a direct replacement for Nortek 376431

while the high-temperature resistant water seal shields the spring components from steam and system contaminants

This 3/16-inch Tygothane tube assembly is specifically engineered for two-pipe thermostat applications

Common indicators include unusual vibration

Armstrong International 125A3 Trap Freon Operating on an 8-13 PSIThe Armstrong International 125A3 is a high performance Series A Cast Iron Float & Thermostatic Steam Trap designed for rigorous industrial and HVAC applications. Featuring a 3 4" NPT standard connection and an 1 8" orifice, this unit is engineered to manage condensate loads of up to 1,275 lbs hr at a 125 PSI maximum operating pressure. Its rugged cast iron body houses a balanced pressure phosphor bronze bellows and all stainless steel internals,