Zonefirst ZDS-24X16 24WX16H Parallel 24V 2-Pos S/R THPU32HP7Y The unit operates on a

The unit operates on a fixed 8°F differential

This 20x25x4 MERV 8 replacement filter is designed to fit ACM2000M-108 filter cabinets

providing a leak-resistant seal in high-vibration wall-mount applications

Replacing a higher-speed motor with this unit will reduce airflow and may lead to evaporator coil freeze-ups or heat exchanger overheating

Common Questions How do I test a York S1-3110-3571 sequencer

Zonefirst ZDS-24X16 24WX16H Parallel 24V 2-Pos S/R THPU32HP7Y The unit operates on aThe 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