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Two-position, three-way, pneumatic air valve used to control main airflow in large Day-Nite or Summer-Winter pneumatic control systems. Replacement device is available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices.

2-Pos, 3-way air valve W. 1/2 in. NPT


Two-position three-way air valve with 1/2 in NPT connection and 5.5 Cv