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309 - RASTx connector
171A20 is an efficient damper actuator designed for precise airflow regulation in HVAC systems
Gasket material must be chemically compatible with the fuel gas being used in the application and must be softer than the aluminium flange sealing surface
The following features are built into this burner management system:
Siemens SQN31.121A2730 Damper Actuator Dungs 309 - RASTx connectorSQN31. 121A2730 Actuator, 90 4. 5s, 1Nm, 2 relays, 1 auxiliary switch, AC230V
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