Damper Actuator — Siemens GQD221.1U, Spring Return 20 in-lb 120VAC

Siemens OpenAir GQD-series electric damper actuator: rotary, spring return, 20 in-lb (2 Nm), 120VAC, 2-position (on/off) control, 30-second run time. Drives combustion-air and flue dampers on cremation retort and incinerator burners; spring return closes the damper on power loss.

• Fits standard retort / incinerator air-damper linkages
• Fail-safe spring return