Zonefirst ZDS-30X8 30WX8H Parallel 24V 2-Pos S/R Els PW 17895 While the spring itself is

While the spring itself is omnidirectional

this Parker Watts R119 series component delivers reliable

Always verify that your specific manifold pressure does not exceed the maximum rating of the valve and flange assembly

The manual reset is "trip-free

Zonefirst ZDS-30X8 30WX8H Parallel 24V 2-Pos S/R Els PW 17895 While the spring itself isThe Zonefirst ZDS 30X8 is a professional grade HVAC zone damper engineered for side mount applications in rectangular ductwork. Featuring a parallel blade design, this 30"W x 8"H unit utilizes a 24V motor that operates in a 2 position power close, spring return configuration. Built with a sturdy extruded aluminum frame, the ZDS 30X8 ensures silent operation with its 3 inch blades pivoting on self lubricating bushings. This spring return damper is