Damper Actuator, 24 VAC VDC, Proportional [0(2) to 10 VDC] with Position Feedback, Non Spring Return, 44 in lb Torque, TFEDR00 PW30 3 valve Assembly Rango de Presion:0 a 1" w.c. PW30 3 valve Assembly NPT 2 Way 2 CV Stainless Steel Trim DCA Profile Modulating (Fail Safe Open) With 1 Meter Cable 24 Vac 2 Aux Switches Proportional [0 10 VDC] 24 VAC VDC