Pressure Independent Control Valve With Electric Actuator 2 In. NPT 2 Way 35 GPM Plated Brass Trim DCA Prof Gas_Dióxido de Carbono (CO2) 668D 06 3 DIF PR XMTR 0 5"WC Rango de Presion:0 a 1" w.c. 668D 06 3 DIF PR XMTR 0 5"WC 1 to 20 ppm) w sensorelectronics NPT 2 Way 35 GPM Plated Brass Trim DCA Profile On Off(Fail Open) 100 250 Vac 1 Aux Switch Pressure Independent Control Valve With Electric Actuator 2 In