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Thermal Protection: Calibrated L300F (300°F) trip point provides a reliable safety barrier against overheating
Environmental Resilience: With NEMA 1
5 psi cracking pressure
Unlike universal boards
In high-efficiency and standard gas furnaces
Armstrong International 15B3 Connection Freon Thermal Protection: Calibrated L300F (300°F)The Armstrong International 15B3 is a high performance Series B cast iron float and thermostatic steam trap designed for industrial and commercial heating systems. Featuring a 3 4 inch NPT connection and a precision engineered 7 32 inch orifice, this unit is optimized for systems with a maximum operating pressure of 15 PSI. It excels at modulating steam loads, ensuring the continuous drainage of condensate while the integrated thermostatic air vent
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