ZDB – 24V (2-wire) Spring Return Bottom Mount Zone Damper

The ZD Dampers are sturdy extruded aluminum frame, parallel blade dampers with 3″ blades for long life and silent operation. Each blade pivots on a self-lubricating bushing for smooth quiet operation and long life. The ZD comes in two styles, Side Mount where the motor and end plate are on the shorter dimension and the Bottom Mount where the motor and end plate are on the longer dimension. The ZD damper is available with different power actuators.

2-wire 24V power close spring return zone dampers.

Motor located on the Width dimension.

* Can be reversed in the field to spring close/ power open (model: ZDBC)

Available Sizes:

• 8×8 to 36×36 

Important Info:

• For dampers larger than 16×24 we recommend using the MDM or MP12 motor.
• For dampers larger than 24×24 we recommend using the MDM motor.

Product Documentation:

• Installation & Operating Instructions
• Converting to Spring Close / Power Open

We ship products within 24-72 hours depending on order size and details.

For UPS Next Day shipping: Please call us to place your order.

FIVE (5) YEAR LIMITED WARRANTY on all 24V. Dampers and Controls and Bliss IOZ Systems ZONEFIRST warrants its products to be free of defects and to provide trouble-free operation for a period of Five (5) years from the date of installation. The warranty is limited to the cost of the product and does not include claims for labor or consequential damage. Prior authorization must be obtained from ZONEFIRST before returning any product. Products returned under warranty and found to be defective will be replaced or credited. Items returned within the warranty period that are found not to be defective and those items that are out of warranty are subject to a minimum repair or inspection fee. All returns must be sent freight prepaid with the return authorization number clearly marked on the packing slip. Returns without prior authorization will be refused. All items damaged in freight cannot be returned, and a claim must be made with the freight carrier.

LIFETIME Limited Warranty on Plug-in-Play™ Dampers and their respective Zone Panels. The warranty requires the return of the product for inspection before the credit for the replacement is issued.

RETURNS: All returns must have prior authorization and are subject to a 25% re-stocking charge. Custom and Special order items may not be returned for credit. Returns are for credit only and can only be used towards future purchases. Shipping fees are non-refundable.

The Returns process can be started here.