The HTK diffuser box is used for the installation of an active ceiling supply air diffuser in a suspended ceiling. The diffuser box is sound-dampening. The supply air diffuser is mounted in the diffuser box using a bayonet fitting.

• HTK-160/250 is designed for duct dimension 160 and for the installation of the TTC-250 active supply air diffuser.
• HTK-250/400 is designed for duct dimension 250 and for the installation of the larger TTC-400 active supply air diffuser.

When Ordering

Specify the type of suspended ceiling, such as Edge A. Each diffuser box is typically delivered with a UTB mounting rail. For proper installation using the UTB, the rail must be adjusted to fit the specific suspended ceiling profile.

Additional Information

In addition to the UTB mounting rail, a mounting plate for the CBX junction box is usually also included with the delivery.