Description
The automatic reset function ensures seamless system continuity without manual intervention after a trip event
Common Questions Can I use this switch for different pneumatic positions
these dampers modulate effectively to manage excess bypass air in multi-zone setups
the 6-inch probe can be used in duct applications
This replacement valve assembly serves as the complete internal stem and plate mechanism
Zonefirst ZDS-24X16 24WX16H Parallel 24V 2-Pos S/R Els PW 17895 The automatic reset function ensuresThe Zonefirst ZDS 24X16 is a heavy duty rectangular zone damper engineered for professional HVAC zoning applications. Built with a sturdy extruded aluminum frame and 24 inch by 16 inch dimensions, this parallel blade damper features 3 inch blades that pivot on self lubricating bushings for silent, long term operation. As a 2 wire 24V power close spring return unit, it remains normally open to ensure fail safe airflow during power loss, a critical
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy

























