Siemens Combustion SQN70.603R10 Control R-407A 6" orifice ring

6" orifice ring

Automatic Reset Logic: The 150-180F auto limit switch functionality ensures the system recovers automatically after a high-limit event once safe temperatures are restored

making it a vital safety component for sensing draft in inducer fan assemblies and ensuring proper airflow before ignition

utilizing its crimped leading ends for a secure

ensuring system safety by preventing automatic restarts after a limit trip

Siemens Combustion SQN70.603R10 Control R-407A 6" orifice ringThe Siemens SQN70. 603R10 is a high performance 120V gas burner control actuator engineered for precise load dependent regulation of fuel and combustion air. This counter clockwise (CCW) rotation motor is designed to drive air or gas dampers on small to medium capacity oil and gas burners. Featuring a 90 degree angular rotation with a 25 second running time at 60Hz and 30 seconds at 50Hz, it provides stable modulation for advanced burner systems. The