EWC Controls MA-15S Damper Motor 319847-401 and equivalent UDAS/UDPB/UDBS models for

and equivalent UDAS/UDPB/UDBS models for rapid field replacement

If the fan blade is difficult to spin by hand when the power is off

this propane gas control valve maintains consistent burner performance across Reznor’s larger heater series

the A99-CLP-1 allows for precise HVAC sensor mounting without the need for complex custom brackets

EWC Controls MA-15S Damper Motor 319847-401 and equivalent UDAS/UDPB/UDBS models forThe EWC Controls MA 15S is a high torque, 24V replacement motor designed specifically for EWC motorized dampers requiring a rapid 15 second stroke cycle. This synchronous motor is engineered for high cycle reliability in residential and light commercial zoning systems, providing precise airflow control to maintain static pressure balance. Unlike standard 45 or 60 second actuators, the MA 15S damper actuator features a shortened gear train for