ZoneMaster 12 Inch Normally Closed Motorized Vent Damper For HVAC Zoning And Fresh Air Make-Up, Power Open With Spring Close, 24V Operation, Transformer Included For Easy Install And Energy Efficient Climate Control

Single Unit 12-Inch Motorized Vent Damper for HVAC Zoning ✔️ Normally Closed (Power Open), 24V operation with transformer included

This 12 inch motorized vent damper provides precise airflow control for HVAC zoning, fresh air intake, and make-up air applications, improving air quality, comfort, and energy efficiency. The damper works with existing zone control systems or can operate independently using the included UL-listed 24VAC transformer.

✅ 12 inch damper size fits standard 12 inch ductwork
✅ Normally Closed (Power Open) operation
✅ 24V operation with transformer included for easy install
✅ Patented 0°-90° adjustable coupler for precise airflow in both states
✅ Simple two-wire installation with free-wheeling motor coupling to extend life
✅ 3 year warranty for reliable performance

💡 What is a motorized vent damper used for in HVAC zoning and fresh air make-up systems?

Motorized dampers provide precise airflow control across zones and help bring in fresh air when needed, boosting efficiency and comfort.

- Handy for balancing airflow across multiple zones - Works with standard 24V transformers or standalone operation - Improves energy efficiency and indoor air quality in HVAC setups✝️