Hart & Cooley Supply Register 683M 8X6 704006 Metal Handle

The Hart & Cooley 704006 is a 683M series supply register measuring 8 by 6 inches nominal, with three way deflection and a metal damper handle.

At 8 by 6 inches this is a small supply outlet with a three way pattern, suited to a low airflow position adjacent to a wall: a small bedroom, a bathroom, a closet, or a supplementary outlet.

Small registers concentrate the same airflow through less free area, which raises face velocity. Velocity produces throw, which is desirable, and noise, which is not, and the two rise together. A small register carrying more air than it should will provide plenty of throw and be clearly audible doing it.

The practical guidance is to size the register from the airflow it carries rather than from the boot or duct behind it, and to check the manufacturer's noise data where the outlet serves a quiet space. A bedroom register generating audible air noise is a complaint that persists for the life of the installation, and it is far cheaper to size correctly at installation than to address afterwards.

Where the branch delivers more air than a small outlet can pass quietly, balancing at the branch damper rather than at the register avoids generating the noise at the outlet.

Applications include residential and light commercial supply air outlets.

Brand

Hart & Cooley

SKU

704006

Category

Supply Registers & Grilles

Weight

1.8 lbs

Dimensions

9.75" x 7.75" x 1.75"

Price

$21.00

Availability

In stock

Rating

0 / 5.0