ZoneMaster 12 Inch Normally Open Motorized Damper For HVAC Zoning And Fresh Air Make Up Air Control 24V Power Close Spring Open With Transformer Included

12-Inch Motorized Damper for HVAC Zoning and Fresh Air
✔️ Normally Open 12-Inch damper with 0°-90° adjustable coupler, 24V

The ZoneMaster 12-Inch Motorized Damper is a 24V normally open damper designed for HVAC zoning, fresh air intake, and makeup air applications. It can integrate with existing zone control systems or operate standalone using the UL-listed 24VAC/20VA transformer included for plug-in power.

✅ 12-Inch duct damper for HVAC zoning and makeup air
✅ Normally Open (Power Closed) operation for unpowered openness
✅ 0°-90° adjustable coupler for precise airflow control
✅ Includes UL-listed 24VAC/20VA transformer for plug-in power
✅ Simple two-wire installation for quick setup

💡 What is a motorized damper used for in HVAC zoning and makeup air applications?

Handy overview: It regulates airflow across zones to balance comfort and energy use.

• Allows zone-by-zone control in HVAC systems
• Maintains ventilation in unpowered states with normally open design
• Offers adjustable coupler for precise airflow tuning
• Includes transformer for easy plug‑in power setup

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