Damper Actuator, Spring Return, 175 Lb In, (0)2 10Vdc & Floating Control, 2 Internal Switches, 24 Vac + 20%, 50 60 Hz TBAJ0 VRK 27 VLV REP KIT WE04 1 2" Rango de Presion:0 a 1" w.c. VRK 27 VLV REP KIT WE04 1 2" Immersion Temperature Sensor Service Entry Body Enclosure 20K Thermistor Resistance Output 3 Spring Return 2 Internal Switches