This is the motor-only assembly

System Protection: Acts as the first line of defense

leading to outdoor coil icing

including the Reznor B series

now identified by the direct replacement 049162 (Model 200RB4T3T)

Schneider Electric (Barber Colman) M312A01 Actuator Els PW 17895 This is the motor-only assemblyThe Schneider Electric (Barber Colman) M312A01 is a high performance 24V floating actuator engineered for precise control of VBB and VBS series valve bodies. Designed as an upgraded SmartX actuator, this unit serves as the direct replacement for M112A01 models, offering an enhanced gear train with stainless steel bearings for long term reliability in demanding hydronic systems. This spring return normally open actuator ensures the valve returns to its