This 15 position indexing regulator features a triggerless 3/4" twist locking nut that fixes the regulator in place once set. Designed for use with square rod on both square and round externally insulated duct, it is offered in two standoff heights, 1-1/2’’ & 2’ ’.
 
The Dyna-Click is engineered with a heavy duty spring so it stays set once clicked into place. The high visibility handle is angled to indicate the position of the damper blade. The handle is also yellow in color, allowing it to be easily found in the field on wrapped duct.