Armstrong International 15B3 Connection Els PW 17895 Professionals recognize this model as

Professionals recognize this model as a direct replacement for 174A-3/4-30

the T-4002-202 is vibration and shock resistant

The robust metal construction is built for high-temperature resilience

75-inch inlet width provide a precise fit for standard gas manifolds in High-Efficiency Lennox furnaces

maintaining high-precision sensitivity for low-pressure applications typically found in 80% and 90% AFUE residential furnaces

Armstrong International 15B3 Connection Els PW 17895 Professionals recognize this model asThe 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