Johnson Controls V47BD-3C Temperature Actuated Modulating Valve, 115/180 Deg F 4 10 Cap 10 Ft, Bulb Dim. 11/16 X 6",

Johnson Controls V47BD-3C Temperature Actuated Modulating Valve, 115/180 Deg F 4 10 Cap 10 Ft, Bulb Dim. 11/16 X 6",. Johnson Controls (PENN) V47 series temperature actuated, modulating water valves help to regulate water flow to maintain desired temperature. They are designed for heat exchangers to maintain optimal operating temps of internal combustion engines, air compressors, etc.