Siemens Combustion SQN71.603R19 Actuator 320788-704 the motor is designed to

the motor is designed to withstand damp and dusty conditions

the unit must be calibrated in its mounting plane (horizontal or vertical) to ensure the differential pressure sensor maintains 0-1 inch wc sensitivity

this 4-speed motor provides versatile airflow control

ensuring a precise fit that generic alternatives often fail to provide

Designed for high-pressure performance

Siemens Combustion SQN71.603R19 Actuator 320788-704 the motor is designed toThe Siemens Combustion SQN71. 603R19 Actuator is a precision engineered 120Vac reversing actuator designed for the reliable positioning of air and gas dampers in burner applications. This electromotoric actuator features a high performance synchronous motor that drives a shaft and switch cam drum, providing exceptional control for two stage or three stage systems. With a running time of 25 seconds for 90 rotation at 60 Hz and a rated torque of 22 lb