this direct spark ignition (DSI) module features a precise 120-second trial for ignition (TFI) period

For technicians performing damper actuator retrofitting

Common Questions What is the rotation direction for the 3900-2008-001 motor

the switch may be out of calibration

Will this resolve issues with uneven heating or cooling

MARS 10865 Motor 321894-708 this direct spark ignition (DSI)Upgrade your client's efficiency with the MARS 10865 Azure ECM Motor, a high performance 1 3 1 2 HP replacement motor designed for versatile direct drive blower applications. This dual voltage 115 230V unit serves as a robust PSC motor replacement, eliminating the need for a run capacitor and simplifying high voltage connections. Engineered with constant torque ECM technology, the 10865 maintains consistent airflow across five programmed speed taps,