Siemens Building Technology 331-2905 Actuator R-407C The Sterling HVAC 11J28R06881 Control/Ignition

The Sterling HVAC 11J28R06881 Control/Ignition Board is the current OEM replacement engineered for Direct Spark Ignition (DSI) operation in Sterling and Beacon Morris gas-fired unit heaters

Replace a failing or shorted furnace control with the Carrier HK42FZ064 Control Board

Ensure this specific part number matches your furnace's direct vent configuration for peak performance

preventing nuisance trips or ignition failures caused by cracked or degraded aftermarket hosing

This transformer is primarily used to provide 24V control power to gas-fired unit heaters

Siemens Building Technology 331-2905 Actuator R-407C The Sterling HVAC 11J28R06881 Control/IgnitionThe Siemens Building Technology 331 2905 is a professional grade No. 4 Pneumatic Damper Actuator engineered for the gradual or positive control of outdoor air, return air, and exhaust dampers. As a veteran preferred HVAC pneumatic actuator, this unit features a rugged all metal body and a 4 inch stroke designed for longevity in demanding ventilating systems and terminal units like unit ventilators and mixing boxes. This model is equipped with an