meaning it requires power to both open and close the damper

making it ideal for high-flow cooling and potable water systems

The construction utilizes Teflon stem packing and EPDM glass seals to ensure leak-free performance under thermal cycling

Direct OEM Replacement: Engineering-exact fit for legacy 1184413 and BA20266 units

Armstrong International 881-3/4-15 Trap 30067439-890 meaning it requires power toThe Armstrong International 881 3 4 15 Trap is a high performance inverted bucket steam trap engineered for efficient condensate management in low pressure steam systems. Constructed from rugged ASTM A48 Class 30 cast iron, this model features an integral strainer to protect internal components from dirt and scale, ensuring long term operational reliability. With a 3 4" NPT connection and a 1 4" orifice, it is specifically configured for a maximum