Pressure Independent Control Valve With Electric Actuator 2 In. NPT 2 Way 40 GPM Stainless Steel Trim DCA P TIDA1H0 20S D 1Internal Auxiliary Switch Rango de Presion:0 a 1" w.c. 20S D 1Internal Auxiliary Switch 42 279 REDUCING BUSHING NPT 2 Way 40 GPM Stainless Steel Trim DCA Profile Modulating Floating(Fail Open) 24 Vac 1 Aux Switch Pressure Independent Control Valve With Electric Actuator 2 In